WK4DS Amateur Radio Blog
Multi-Band POTA Strategy: Ten-Tec Scout 555 + sBitx FT8 on 15m/17m/20m/40m
The location is all too familiar, but I set out to do a sort of special operation today. I wanted to complete a POTA activation using two radios, 3 modes and 4 bands in one sitting. This doesn’t sound like a tall order but since I am operating inside the truck cab, this does involve a little logistics to not just have stuff piled everywhere while I am operating. As you will see in the photos below, I still ran into this problem somewhat, but it was manageable.
Today was a fun day…
The location is all too familiar, but I set out to do a sort of special operation today. I wanted to complete a POTA activation using two radios, 3 modes and 4 bands in one sitting. This doesn’t sound like a tall order but since I am operating inside the truck cab, this does involve a little logistics to not just have stuff piled everywhere while I am operating. As you will see in the photos below, I still ran into this problem somewhat, but it was manageable.
I setup at the disc golf parking lot again, but this time there were quite a few people there and some of them actually quizzed me about what I was doing. One gentleman, Jerry as noted in my log, actually chatted for a good bit about how he has been looking to get into ham radio but the Atlanta area is kinda tough on locating local hams for some reason. I gave him a card and told him to email me and I would give him as much info on it as I could find to get him on the right path…
As you can see in the photos, I set up ham sticks and this time I started on 40 meters FT8. I wanted to get the FT8 portion of my “sprint” if sorts out of the way first as the other two modes were going to be on the Ten Tec Scout 555. I had recently activated with it and it was acting up with chirping on CW and reports of RF noise on my audio on SSB. I attributed this to poor connection of the 20 meter band module as it was fine on 15 meters. Armed with this knowledge, before I left out for the park, I took the radio to the shop and use the Deoxit for gold contacts and a tooth brush to clean the contacts on the band modules. I even wetted one module pretty good and used it to “clean the contacts in the radio by plugging and unplgging the module a bunch of times.
This improvised procedure worked as I got good reports and the CW ran flawlessly as you will see later. Deoxit is magical stuff, if you dont have any, it is work your investment to grab a small can of it.
I really enjoy using this radio for my FT8 operating and with the upgraded finals and RF deck, it runs flawlessly now with SWRs in the 2:1 and even slightly higher range without problem. Today saw SWR levels on transmit of about 1.7:1 and it happily skipped right along making several contacts in a row at one point.
After completing 6 QSOs on FT8 I figured it was time to get the Ten Tec Scout 555 out of the case and see what I could scare up on CW.
The 40m Ham stick that I have must have a really high Q as it is very narrow banded. So I have it tuned for the CW portion of the band and the SWR in the SSB area can be quite bad at times. For this reason, I chose not to hunt any SSB contacts on 40 meters today. Once on CW (this was about 1/2 hour later as this is when I talked to Jerry) the band must have been closing or the band noise was getting so bad that I could not hear many stations. I was able to work Alabama and Tennessee before the call signs faded into the noise. That is something you will learn pretty quick about HF radio propagation, if you want to work closer in stations, use the lower bands, but if you want to reach the west coast from Georgia on a ham stick, use the higher bands like 15 and 20 meters. When 10 meters is open I have worked other continents with ease… Don’t discount those higher bands, they are truly magical.
In the above photo I have the CW key and keyer staged but not connected. The mouse is actually driving the FT8 machine and makes working FT8 so much easier to be honest.
In these two photos you can see what you have to work on constantly. The above photo shows the cable that came with my Ten Tec Scout 555 when I bought it. This is a common issue you will find with home shop made cables. These were stripped back way too far and as I used the cable, the conductors started breaking and I was beginning to worry about blowing fuses.
I happen to own a tool that is designed to remove these pins from the connector, so I am able to dismantle this connector properly. I dismantled it, then took it apart and cleaned it up, properly stripped and re-soldered the pins, then put heat shrink tubing on it all to insulated and protect it better. Now I am not so worried about it either shorting and melting the wire or blowing the fuses and shutting down the activation over something as simple as a cable…
Once I finished on 40 meters and had two modes in the bag on one band, I switched over to 15 meters CW to see what was happening there. There was a contest going on so it was a little crowded and I didn’t understand the exchange so I didn’t jump into the contest, but rather setup on a clear spot and calledCQ and worked a couple of stations there, one station of which is DX!!!
At this point. I got a phone call from KG4WBI about a completely unrelated matter, which we discussed and I told him to fire up his HF rig and we would see if ground wave would make the trip to his house from the park so I could get Georgia in the log as well as a 2nd mode on 15 meters! Well, it worked just fine and we had a great QSO on 15 meters SSB before he had to sign off and go run errands. So having confidence that SSB was going to work better I started calling CQ on SSB.
I got literally zero replies to my calls… so I went hunting instead. I found two more ops that could hear me and I was able to bag a couple more QSOs and these were Park to Park contacts to boot!
These three photo show me installing the band module into the Ten Tec Scout 555 transceiver. It really is that simple to change bands on this radio. Now to be fair, this is not as simple as just turning a knob, but it really isn’t that bad.
To remove the module you pull out the bottom of the little lever on the front of the module and it will pop out enough to be able to slip it out, then you grab a different one off of the pile and stick it back in the slot in the radio. Push it to seat it and then your ready to go.
At this point, I switched over to 20 meters and since the PTO (notice it is not a VFO) was still up in the SSB area, I decided to see if I could hunt some contacts with that mode. I landed one contact in SSB on 20 meters and was happy to get them in the log.
After working the one lonely SSB contact on 20 meters, I decided to give CW a try as well… Remember me mentioning a contest? Well, it was here too. It was going strong as well and because of this I was only able to work one contact on CW as well. If nothing else it netted me another band!
My last stop of the day was 17 meters. The 17 meter band is a WARC band and therefore it is off limits to contesting. Now, to be fair, POTA has been called contesting of sorts, but as of right now it is not considered a contest but is more in the spirit of something similar to a rare DX station activating on the same band and developing a huge pileup there. So I proceeded to hunt me an empty spot (18.078mhz) and started calling CQ.
This is when things literally took off! I netted a whole page of contacts in about a 1/2 hour span of time! What a day! 4th band in the books and I was stoked!!! 17 meters must have been where all the POTA ops had went due to the contest and I didn’t get the memo…lol. The Scout worked flawlessly after the cleaning and I cant be happier now with the old girl.
One of the great things about 17 meters is the propagation is really anybodys call. I worked Hungary at one point as well as California, Alaska and Idaho, then there is a ton of east coast stations too, it was everywhere today on 17 meters. Ham radio is so cool…
Before closing today I wanted to mention that Aaron KV9L and I have a youtube channel and we just hit 2000 subscribers (as of this writing)! If you are into ham radio and watching videos about it, then we would love for you to come over! I am currently doing a series of short form videos that are teaching CW one letter per day. There is no limit to the number ofd times you can watch them so I am hoping these become long term training aids for people.
Once I get the letters, numbers and punctuation done, I am going to start doing words next. After words will come sentences so we will see how it goes. Anyway, I just wanted to thank the 2000 people that made us as successful as we are!
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David -WK4DS
![Ten-Tec Scout 555 POTA: 74 CW Contacts at Raccoon Creek WMA [US-9875]](https://images.squarespace-cdn.com/content/v1/5d17806ce65eba00011667cb/fe9e1368-6e59-44e9-9c7e-d01d02e14fe8/IMG_7569.jpg)
Ten-Tec Scout 555 POTA: 74 CW Contacts at Raccoon Creek WMA [US-9875]
As you can see from the QSO map above, the bands were alive and well on this day from Raccoon Creek WMA (US-9875). The calls just kept coming in and I finally had to got QRT, with people still calling, and pack up as I had to meet the wife for a dinner date! I normally clear the little pile up I will draw in and then I can simply power down. I really felt bad about having to shut down with stations still calling me. I now know what those rare DX station feel like… It is surreal to experience that to be honest… especially from Alabama.
Today got so fast paced that I forgot how to do CW properly! Let me explain…
As you can see from the QSO map above, the bands were alive and well on this day from Raccoon Creek WMA (US-9875). The calls just kept coming in and I finally had to got QRT, with people still calling, and pack up as I had to meet the wife for a dinner date! I normally clear the little pile up I will draw in and then I can simply power down. I really felt bad about having to shut down with stations still calling me. I now know what those rare DX station feel like… It is surreal to experience that to be honest… especially from Alabama.
You see, today I activated US-9875 Raccoon Creek WMA and I went at a different time of day. I wanted to spend several hours here today as I dont get over to the area often and I wanted to try to get as many contacts as I could in the afternoon. My goal was 60 QSOs today which is way more than I usually worry about, but like I said, this park is a solid 40 minutes in one direction and I dont go this way too often so I wanted to “make it count” if you know what i mean.
I rolled into the WMA at about 14:30 local time and set out to build the radio down by the Tennessee river. This is a small parking lot at the end of one of the gravel roads into the WMA and a lot of locals come to this spot to fish in the river from the shore. Did I mention it started raining right after I got the antenna setup and I got into the truck? Well, let me tell you, the rain set in and it didnt stop the whole time. I even broke down the antenna and stuff out in the rain today!!!
The above photo shows what the station looks like right before I plug all that stuff in and turn the power on. Everything I need to get on the air is in that pile for both SSB as well as CW. To be fair, I can get by without the Picokeyer and the 1/8 mono to 1/8 mono cable and I could simple plug the paddle right into the radio and it would work just fine. So there is really excess here above what is absolutely needed.
I did get the nanoVNA out and look at the antenna to make sure the rain didn’t do something to it like push it out of band due to the conductivity of the wet earth or what ever. Turns out it was just fine… It was a little low with the water on everything but the null was really close to the bottom of the 15 meter band edge so I used it and didnt worry about it. If you will notice, it was only 1.233:1 SWR at the band edge so it was plenty happy and we never checked it again after this on 15 meters. When I switched to 20 meters, the SWR had moved up to about 1.8:1 or maybe it was at 2:1 but I ran it and as you can see in the log, that didn’t seem to matter at all.
I setup shop on 15 meters SSB for a change and wanted to see what I could get before 15 faded out, but I noticed almost immediately that the ALC light wasn’t coming on at all when I would transmit audio. This lamp should just blink on the energy peaks but it wasn’t coming on at all. I messed with the mic gain and nothing. I did notice that I could wiggle the cord at the plug and it would make all sorts of stuff happen. This pointed me to the connector being faulty somehow but workable to some degree.
I made a few contacts with it like this and basically yelling at the radio would barely get the ALC to illuminate. I asked the last person for a report and they told me the audio was muffled and weak. Armed with all this knowledge, I decided to open the connector and see if a wire was broken. Well, they were not broken…but they were also not connected either. There were two cold solder joints from the factory…figures. I got a pretty decent photo of the green wire in the below photo. Well…that shuts down the SSB portion of this activation so onto 15 meters CW!
The 15 meter band has two things that make it unique. It is quieter than the lower bands for me and the “skip distance” is MUCH further with mobile, or improvised antennas. I didn’t make many CW contacts on 15 but check out the locations! Washington state is pretty common for me on 15 meters, in fact the entirety of the western United States is easier for me to work on 15 meters during the day. But a lot of people apparently don’t know this so lots of times the band will be open but there wont be anyone on it. Case in point today, I worked 4 ops in 11 minutes of calling CQ.
After vacuuming the bands of CW ops, I moved to FT8 to see what was happening and this is my “yardstick” of how open the band is. Turns out it was REALLY open! 15 meters FT8 netted a nice dozen contacts and got me almost half way to my original goal of 60 QSOs! This didn’t take long either and just goes to show that the higher bands are great if you will just go check them.
I had switched radios to use the sBitx V4 (I did the software upgrade and got some new features like the color coding of FT8 information you see below) You can also see that I was transmitting with 17 watts too. This is not precise, but it is close and I use it for my logbook notes.
After finishing on 15 meters I moved down to 20 meters to finish out the day. The sun was starting to set at this point and I knew 20 meters would serve me better at this point. after hunting W9XT, I set up shop on a clear frequency and started calling CQ, this is when things got a little crazy. I had a nice little pileup form pretty quick that took me about half an hour to clear, then nothing… It must be band fading at this point as the stations just vanished. I figured I would switch over to FT8 for a few minutes at this point too and see what I could get in that mode. I didn’t mention that I used the sBitx for CW at this point and to be honest, I dont think I will use it for CW seriously till there is a software change to make it work better. If you try to use it much past 18WPM it is like it fights you and induces mistakes for some reason. The people smarter than me in the email reflector seem to think is has to do with how the software scans the inputs on the radio, but I do know it will induce mistakes in your sending if you are not very attentive and send a very specific way. It will work if your careful and go about 18WPM max. I can use a keyboard to send CW but that really isnt all that much fun to be honest.
I struggled with FT8 today on 20 meters for some reason. The QSO could not complete to the 73 so it would not autolog the QSO. It would also not finish the exchange many times either. I could get it to send the signal report then they would send back and they would just get stuck in that step and never move past it. It got really frustrating towards the end, but I did manage to net some contacts here too.
At this point I had made 48 contacts which is a phenomenal day out for me, but I wanted 12 more to have that 60 that I started out my goal with! So at this point I move back down into the CW portion but this time on the Ten Tec Scout 555 instead since the CW mode on it works beautifully.
It took me a couple minutes to switch the radios out and to find a clear frequency and get started, but once I did, it didn’t take long to get a HUGE PILE UP going!!!! I got so excited during this part that I was racing the clock to see how many I could work before having to shut down the radio and go home as I was almost out of time. I started rushing the closing and it was here that I got sloppy with my CW. You see, I normally use QRP power levels for the most part, just the sBitx and the Ten Tec Scout are QRO by the rules and the sBitx is borderline to me. I will usually turn the power down to 5 watts or so anyway to preserve the finals in the radio but today I had the Scout and it is set at 50 watts and is not easily field adjusted from that power level.
As the pile up raged on, I got so lost in the process that I started sending 72 intermingled with contacts getting 73 instead and finally someone stopped me and asked why I am signing both modes and this is when it hit me. I had been running on autopilot about half the time just logging contacts and the muscle memory would just send the 72 and I would not even think about it. I would then called QRZ and get another call, rinse and repeat… Here is the next problem for me. My ragchew copy and my POTA copy are very different levels. He sent me the message at the speed I was working POTA contacts. Your brain will learn how to copy the formatted style exchanges without even thinking about it. I know that I am going to get a two letter state after the signal report and I can copy callsigns really well for some reason up to about 25 WPM, but send me a full sentence question and it breaks my brain. I cant copy half of it without writing it down. I can ragchew comfortably at 18 WPM max at this time, but if you ask me a question about my radio or something that isn’t part of the usual banter in a POTA contact and I am lost… I apologized for this mistake I had been making for probably 20 minutes without even realizing it and it was really close to when I had to leave anyway so I went ahead and called QRT to get the radio put away as it was raining really well at this point too…
To everyone that reads this that I didn’t get to work on this day, I am sorry to have to had shut down the rig and leave, I was having a wonderful time and wanted to stay longer!!!
The moral of this part of the story is dont get in such a hurry that you cause confusion with the hunters, take your time and be sure in what you are actually sending out over the airwaves.
On a brighter note, I got my 60! and 14 more!!! I dont know how long it has been since I got that many calls in the log in one day. Until next time I hope to work you on the air!
Read more Ten-Tec Scout 555 POTA activations:
- [Another Scout 555 POTA post]
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WK4DS - David
Ten-Tec Scout 555 POTA Activation: 26 Contacts in 15 Minutes CW & SSB Setup Guide
Looking for a reliable POTA activation setup? Here's my complete guide to activating parks using the Ten-Tec Scout 555 transceiver. In this activation, I made 26 SSB contacts in just 15 minutes, plus worked several stations on CW using ham stick antennas and portable power. Whether you're new to Parks on the Air or looking for equipment ideas, this post covers my portable ham radio setup, antenna tuning tips, and real-world activation results.
Looking for a reliable POTA activation setup? Here's my complete guide to activating parks using the Ten-Tec Scout 555 transceiver. In this activation, I made 26 SSB contacts in just 15 minutes, plus worked several stations on CW using ham stick antennas and portable power. Whether you're new to Parks on the Air or looking for equipment ideas, this post covers my portable ham radio setup, antenna tuning tips, and real-world activation results.
My Ten-Tec Scout 555 POTA Equipment Setup
My setup process has gotten pretty streamlined over the years. I pull into the parking spot, grab the Scout case and antenna bag from the truck bed, and I'm usually on the air within 15 minutes. First thing I do is get the hamsticks mounted and run the radials - usually just two per antenna is enough for POTA work. While those are getting situated, I'll set up the radio in the truck cab, connect power, and do a quick SWR check with the nanoVNA. If the SWR is under 2:1 I'm happy enough to start making contacts. The key is keeping it simple - I've learned the hard way that complicated setups mean more things that can go wrong in the field. Harbor Freight cases have been a game changer for organizing everything too. Everything has a place and I can just grab the case and go.
Today saw me use the Ten Tec Scout again to great effect. Below is the case I carry it in showing the full compliment of band modules (I keep one in the radio and today that is the 20 meter module). Under the radio is the power cable in a pocket just for it and next is the spot for the microphone in a more permanent role. You can see the impression from where it sits in the case currently. This Ten-Tec Scout 555 POTA activation demonstrates why this radio is popular for portable ham radio operations.
These hard cases come from Harbor Freight and make wonderful travel cases for my POTA radios to be quite honest about it. I need to get two more and kit out my Ten Tec Argonaut 5 and my Penntek TR-35 and the set will be complete. The Argonaut has a nice hard case, but it is really large and kinda hard to maneuver with. I thought it would be a great kit for POTA and it does work, but I would really like something different… As an aside, I store the owners manual to each radio behind the lid foam on all of these. That way I have a instruction book should I forget how to do something obscure that I dont use all that often.
My Ten-Tec Scout 555 travel case showing all band modules for POTA activations
Scout 555 band modules - simple to swap for different frequencies during activation
I have not dismantled a band module to see what all is inside it but there is a good bit of stuff going on in each one. They are about 3” long and the circuit board goes all the way to the front. So there is plenty of widgets inside them to make the magic happen.
Today, I only used the 15 and 20 meter modules as I was being a little lazy and only put out radials for these two ham sticks. A quick SWR check with the nanoVNA and I was off to the races.
N3ZN straight key with Picokeyer adding memory functions for CW POTA activations
POTA CW Equipment: N3ZN Key and Picokeyer Setup
The above shows my CW key and keyer. The key is made by N3ZN and if you have not tried one then I highly recommend them. It works beautifully for me. The keyer is a Picokeyer from Hamgadgets.com and works way better than it should for what it costs. Since Ten Tec radios traditionally dont have memories for the CW keyers, this is the way to have those memories really easily. For Parks on the Air activations, having a portable CW key with and a electronic keyer with memory functions is essential (at least to me it is…).
Operating SSB on POTA: Hand Mic and Voice Contacts
The next thing I did that was out of my usual character is to get the hand mic out and work some SSB today as well. It worked OK, but there were times when the audio was odd and I would get little hints to something being wrong but all in all it worked fine.
Hand mic for SSB operation - made 26 contacts in 15 minutes with this setup
Quick SWR check with nanoVNA before starting the POTA activation
Choosing a POTA Activation Location
When I scout out parks for POTA activations, I'm looking for a few key things. First, low RF noise is critical - no nearby power lines, businesses with switching power supplies, or heavy traffic. This park checked all those boxes and then some. The parking lot being empty is a huge bonus as it means no ignition noise from cars starting up or idling nearby. I also look for parks that allow me to set up antennas without disturbing other visitors. Some parks get really busy on weekends, so I'll often activate during weekdays or early mornings. Having good cell coverage helps too, though it's not required - I like being able to spot myself on POTA.app without relying solely on the Reverse Beacon Network. This particular spot has become one of my go-to locations because it's quiet, accessible, and the park staff are friendly to hams.
As per my usual outings, I had the place to myself today with only a couple of cars rolling by during the entirety of my activation. I like it like this though as there is no ignition noise to deal with or inverters making RF hash, just the peace and quiet of the park and my radio chattering in the truck. During this time of day, the sun will beam into my door if I roll down the window beside me so I usually just roll down the other three and the one beside me just a little so the air still moves through the truck taking away the heat from the radio and making it nice and pleasant.
Just look at that parking lot all for me! HaHa! That never gets old! There is just something magical about the peace and quiet of a park like this.
Perfect POTA location - empty park means no ignition noise or RF interference
Ten-Tec Scout 555 CW Operation Tips and Side Tone Settings
A few operating tips I've picked up over my POTA activations - start on CW if you can work it, as the Reverse Beacon Network will auto-spot you and save you from needing cell service. Once you've got 10 contacts in the log, switch modes or bands to see what else is happening. Don't be afraid to QSY (change frequency) if things go quiet. During this activation, moving from 15 meters to 20 meters made all the difference - 15 was fading out but 20 was on fire. When you get a pile-up like I did on SSB, just work them as fast as you can log them. Don't worry about being perfect, just get the call sign and signal report down. You can clean up the log later if needed. And always, always bring spare coax and adapters. Murphy's Law is real in the field!
Something I learned today that is different between the Argonaut 5 and the Scout is that I have to use the key jack to make this radio transmit a side tone in CW. I can key the transmitter with the “mic jack cable” that I made for the Argonaut 5 but it wont produce a side tone with the Scout for some reason. So I instead used this port on the back of the radio to get it to work right (see photo below). Another special thing about this radio to me is that it has a Curtis keyer chip in it and you can plug a set of paddles directly into it and it will work as you would expect, but it is in a different port… Go figure. All these options are hot all the time too. Plug a straight key into it and key it to send CW then you could (theoretically) just pick up the microphone and talk to someone on SSB without changing anything else on the radio. It appears that it is in SSB mode all the time and CW is just the side tone being transmitted instead of the audio from the microphone. This does cause one little issue that a user will notice pretty quickly. The zero beat is the display frequency plus or minus (depending on band) the side tone frequency. The filter is simply a bandpass knob that adjust the filter bandwidth and that is it. A very simple radio that just works.
An example of the side tone offset in CW can been seen in the photo above where I am tuned up on 15 meters. It displays 21.0523mhz but the radio is actually operating on 21.053mhz when transmitting. So if you are near the band edges on say 40 meters CW, just keep this in mind so you are not transmitting out of band. The owners manual even mentions this to make sure you stay compliant with FCC regulations.
CW key jack on Scout 555 back panel - required for proper side tone in CW mode
First page of activation log - starting on 15 meters CW and SSB
20 meter SSB pile-up - 26 contacts in just 15 minutes!
Final page showing all contacts from the activation
POTA Activation Results: 26 Contacts in 15 Minutes
As you can see from the log above, I started out on 15 meters CW and worked several stations there before moving to 15 meters SSB till the band essentially faded out. At that point I decided to see what would happen if I went down to 20 meters SSB and called CQ… Well the log speaks for itself. I made 26 contacts in 15 minutes! This has to be some sort of world record!!! LOL…for me that is… It was wild how big the pile up was and how quick it happened! The people were super nice and courteous and really helpful so I thank all of you that called me this day and I really appreciate you stopping by to say hello! This POTA activation shows what's possible with a simple portable ham radio setup."
Frequently Asked Questions About POTA Activations
What equipment do I need for a POTA activation?
For a basic POTA activation, you need a portable ham radio transceiver (like the Ten-Tec Scout 555, Icom IC705, or the like), an antenna (ham sticks work great for portable use), a power source (battery or vehicle power), some interconnect cabling such as coax and things like that, and a way to log contacts. Optional but very helpful equipment includes: a CW key for Morse code operation, a portable table or chair for comfort, an antenna analyzer like the nanoVNA for precise tuning, and a keyer with memory functions for repetitive CW exchanges. The beauty of POTA is you can start simple and add equipment as you learn what works for your operating style.
How many contacts do you need for a valid POTA activation?
You need a minimum of 10 QSOs (contacts) for a valid Parks on the Air activation. These contacts can be made on any amateur radio band and any mode - CW (Morse code), SSB (voice), or digital modes like PSK31 or FT8. Park-to-park contacts (when you work another station who is also activating a park) count double for hunters, but still count as just one contact toward your activation total of 10. Remember VHF and UHF contacts count too as long as they are simplex only.
What is the best radio for POTA activations?
The "best" POTA radio depends on your operating style and preferences. The Ten-Tec Scout 555 is excellent for CW operation thanks to its clean receiver, simple design, and reliable performance. Other popular choices among POTA activators include the Yaesu FT-891 for 100-watt capability, the Elecraft KX2 or KX3 for QRP portable operation, and the Icom IC-705 for all-mode including VHF/UHF. Choose based on your preferred operating modes, power requirements, portability needs, and budget.
How do you tune a ham stick antenna for POTA?
The easiest way to tune a ham stick antenna is with an antenna analyzer like the nanoVNA, or you can use your radio's built-in SWR meter. Start by adjusting the length of the whip section - make it longer to lower the frequency, shorter to raise it. Make small adjustments (just a fractions of an inch at a time) and recheck your SWR reading. For POTA activations, an SWR under 2:1 is generally acceptable and will work fine, though under 1.5:1 is ideal for maximum power transfer. Anything under 2:1 will not damage your radio though so don’t stress too much over this part.
Can you operate POTA from inside your vehicle?
Yes! Parks on the Air rules allow operation from inside your vehicle, which is different from SOTA (Summits on the Air) that requires outdoor setup away from vehicles. Operating from inside your car or truck is actually quite common during POTA activations, especially in bad weather, extreme temperatures, or when dealing with insects. As long as you and your entire station are physically located within the park boundaries, you're good to go. Just make sure you're parked in an authorized area.
What is the best band for POTA activations?
20 meters is often the most productive band for POTA activations because it provides a good mix of both local and DX (long distance) contacts throughout the day. 40 meters works exceptionally well for regional and NVIS contacts, especially in the early morning and evening. 15 and 10 meters can produce excellent DX contacts when conditions are right and solar activity is favorable. Many experienced POTA activators work multiple bands during a single activation to maximize their contact count and variety. In my activation with the Scout 555, 20 meters SSB produced 26 contacts in just 15 minutes - that's the power of picking the right band at the right time!
Whether you're new to Parks on the Air or an experienced POTA activator, the Scout 555 makes for an excellent field radio.
Have you tried POTA with a Ten-Tec Scout? Share your activation stories in the comments below! If you're planning your first Parks on the Air activation and have questions about equipment setup, feel free to ask.
Want more POTA content?Subscribe to my ham radio blog for more activation reports, equipment reviews, and portable operating tips.
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## POTA Activation Summary
Equipment Used:
- Radio: Ten-Tec Scout 555 (50 watts)
- Antenna: Ham sticks on 15m and 20m with tuned radials
- Power: Vehicle electrical system
- CW Key: N3ZN paddle key with Picokeyer
- Microphone: Ten-Tec hand mic
- Accessories: NanoVNA for antenna tuning, Harbor Freight case
Operating Details:
- Bands Worked: 15 meters and 20 meters
- Modes Used: CW and SSB
- Total Contacts: 30+ QSOs
- Best Run: 26 contacts in 15 minutes on 20m SSB (that was wild!)
- Setup Time: Approximately 15 minutes from arrival to first contact
- Activation Duration: About 90 minutes total
Key Takeaways:
The Scout 555 continues to prove itself as a solid POTA radio. Simple, reliable, and the receiver is clean even with nearby RFI sources. The band module system makes it easy to swap bands, though it's not as fast as just turning a knob. The big lesson today was remembering which key jack to use for proper CW sidetone - small details like that can save you troubleshooting time in the field. Also, 20 meters SSB was absolutely on fire today - sometimes you just catch the band at the right time and everything clicks.
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73, WK4DS - David