WK4DS Amateur Radio Blog

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Chito Branch Reserve: First FT4 Contacts, Meeting a Fellow Park Hunter, and the Quest for 1000

Doug's been activating Chito Branch quite a bit lately, and if I'm being honest, we seem to be in a friendly race to see who hits 1000 contacts from this park first. Spoiler alert: he's winning. But it was great to finally shake hands with someone who understands the appeal of spending beautiful Florida mornings in a park with Spanish moss hanging from the trees, headphones on, working the world.

February 10, 2026 • US-5524

Chito Branch Reserve sign at POTA park US-5524 in Tampa, Florida with Spanish moss covered oak trees

Sometimes the best part of a POTA activation isn't the DX you work or the pile-ups you run! it's meeting another operator face-to-face who's been chasing the same goals you have. Today at Chito Branch Reserve, I finally got to meet Doug, KQ4SXW, in person.

KQ4SXW operating POTA activation from vehicle at Chito Branch Reserve using SSB.

I finally got to meet Doug, KQ4SXW

Doug's been activating Chito Branch quite a bit lately, and if I'm being honest, we seem to be in a friendly race to see who hits 1000 contacts from this park first (well, between us at least). Spoiler alert: he's winning. But it was great to finally shake hands with someone who understands the appeal of spending beautiful Florida mornings in a park with Spanish moss hanging from the trees, headphones on, working the world.

The Setup

I rolled into Chito Branch mid-morning with my usual portable arsenal. The park is close to where I'm staying in Tampa, which makes it an easy choice for activations, and I've been systematically building toward that 1000-contact milestone. As of today, I'm sitting at 769 QSOs logged from US-5524, so I'm getting close.

Quarter wave vertical antenna mount with counterpoise wires for POTA activation
nanovna measuring an antenna

For antennas, I ran my 1/4-wave vertical with two counterpoise wires, tuned for each band. Simple, effective, and quick to deploy. I use the nanoVNA to utne the antenna with. As you can see in the plot above, I get it to something less than 1.5:1 SWR and call it good, I have found that if I get it to that level that I dont have any trouble making contacts at all. I have done OK with the SWR higher in the past…much higher actually, but it is a lot tougher to make contacts like that.

The main rig was the sBitx V3 from HF Signals for digital modes, and I brought along the Ten-Tec Scout 555 for some 15-meter CW work since the bands were looking promising.

Speaking of which… let me tell you about my grid square insurance policy.

A Sticky-Note Solution to a Real Problem

If you operate FT8 or FT4, you know that your grid square locator needs to be correct. It matters for awards, for logging accuracy, and frankly, for not looking like you don't know what you're doing. Recently, I completed an entire activation with the wrong grid square set in the software.

Not ideal.

Reminder note to fix grid square before FT8 operation - field logging tip for POTA activators

Sometimes the best solutions require the simplest answers…

So I came up with a foolproof solution: I now keep a note in my radio case that says "FIX GRID BEFORE USING FT8." It sits right on top of the sBitx when I open the case, impossible to miss. I also store the Bluetooth keyboard in the case with the radio so I can easily update the grid square in the field without fumbling around with the tiny on-screen controls.

Is it a high-tech solution? No. Does it work? Absolutely. Sometimes the best fixes are the simplest ones.

Starting with FT8 on 20 Meters

After getting the sBitx fired up…with the correct grid square, thank you very much… I started the activation with FT8 on 20 meters. I spotted myself on POTA and the responses started rolling in. There's something satisfying about watching those waterfalls fill up with decodes and seeing callsigns appear in the queue.

FT4 digital mode screen showing 20 meter contacts during POTA activation US-5524

My very 1st FT4 QSO with the sBitx!

I worked through a solid session and logged about 18 contacts on 20-meter FT8. The band was cooperative, signals were good, and the activation was off to a strong start. Something to note about my sBitx V3 is that it has developed a sort of internal noise on 20 meters that lingers in the CW portion of the band. It goes down in frequency as the radio warms up so I have to figure out what is causing this problem when I get home the next time. I have it on the list right next to fixing my microphone pre-amp circuit for proper operation as well.

First FT4 Contacts at a POTA Park

After the FT8 run, I decided to try something new: FT4. I've run plenty of FT8 from parks, but FT4 was uncharted territory for me in the field.

FT4 is faster than FT8, cycling every 7.5 seconds instead of 15, which makes it great for contesting or when you just want to move quickly through a pile-up. I updated my spot on POTA again and started calling CQ. To be honest, I had used it a little in the shack before with no luck so I didn’t hold my breath today, To me utter surprise, I saw a QSO forming in the call feed on the left! Then it finished and logged it! I hurriedly got out my phone and snapped a quick photo to share with you guys…

First contact: AA5WH on 20 meters. Clean decode, solid signal, contact in the log. Then I switched to 15 meters and worked N1KLF. Two FT4 contacts, my first ever from a park, and honestly? I was pretty stoked. There's something satisfying about trying a new mode and having it just work.

15 Meters CW Was Alive

sBitx V3 transceiver and accessories setup for portable POTA operation from vehicle

The TenTec Scout 55 is pictured with the HF Signals sBitx V3 where I was changing over to CW after working 2 digital modes today.

After the FT4 session, I switched gears completely. I packed up the sBitx and pulled out the Ten-Tec Scout 555 for some CW on 15 meters. The band was in great shape, though there was a bit of QSB rolling through. I got the radio all connected up to the keyer and then plugged in the Travler. My Begali Traveler key has become one of my favorites—smooth action, compact enough for portable ops, and it just feels good. It is sensitive, but that is how I use my keys, I prefer a light action myself and that is why I made my own paddles back in the day. N3ZN (Tony) and I2RTF(Pietro) make some of the nicest keys around at the moment and I am glad I have one from each.

DX Contacts That Made It Worthwhile

Right out of the gate, I snagged some DX that made the whole activation worthwhile:

  • EA4MZ in Spain

  • DD1LD in Germany

  • YV1GIY in Venezuela

  • PY5XT in Brazil

Four different countries, all on 15-meter CW with 40 watts and a telescoping 1/4 wave vertical, what more can you ask for? Days like this remind me why I love this hobby. Some of them were a little on the weak side but the Jones filter in the Scout actually helps if you open it up instead of closing it down. This seems counter intuitive, but opening the filter up just ever so slightly will let a lot more of the other operators signal though and just a little of the background noise, it is almost like having them turn their power up 50% or something, if you have not tried it with your Scout 555, I suggest you find a signal you can barely hear and give it a shot.

43 QSOs and Counting

By the time I packed up, I had 44 contacts in the log, though one turned out to be a duplicate, so 43 that counted. Not a huge number, but solid for a few hours of casual operating across three modes (FT8, FT4, and CW) and two bands.

Meeting Doug in person was the cherry on top. It's always good to connect with like-minded people in the hobby, especially when you're both chasing the same quirky goals. A thousand contacts from one park? Yeah, it's a bit obsessive. But things like that are what makes it fun.

SIDE QUEST TIME:

I ran into a unique problem today that is worth mentioning here. I was charging my computer with an inverter that I have wired into the cab of my truck. I was also running the truck so I could power the inverter and charge the computer as well as the sBitx V3 at the time. Well it turn out that I have some issues with this inverter that need resolving. The next few photos show the RF hash that this inverter is producing when under load! It is unreal how bad it was, I couldn’t believe all I had to do was simply shut off the engine and unplug the power cord from the logging computer and it went completely away…

rf hash on 15 meters ft8

The above photo shows the hash of running both devices on the inverter with the engine running on the truck.

rf hash on 15 meters from an inverter

The next photo shows what happened when I shut off the truck and unplugged the computer.

rf hash is gone once the inverter is off

The last photo shows what the band looked like once I went around to the other side of the truck and powered off the inverter completely. This goes to show that you need to check these things if you plan to use RF devices like radios in the presence of RF trash generating devices like this inverter… Better inverter coming up!

END SIDE QUEST

Hit me up!

231 contacts to go until I hit the big 1000 from Chito Branch. At this rate, it'll take a few more activations, but I'm not in a hurry. Well, maybe a little… Doug's still ahead of me.

If you're in the Tampa area and see someone set up at Chito Branch Reserve with a vertical antenna and a tablet running digital modes, stop by and say hello. Chances are it's either me or Doug, and either way, you'll be in good company.

**Gear Used This Activation:**

- **Radios:** HF Signals sBitx V3, Ten-Tec Scout 555

- **Antenna:** 1/4-wave vertical with dual counterpoise wires

- **Key:** Begali Traveler

- **Digital Mode Software:** JJ and the sBitx 64 bit Development team version 5.301 (FT8/FT4)

- **Computer:** Dell Inspiron with Linux and HAMRS

- **Accessories:** NanoVNA for antenna tuning

Have you tried FT4 for POTA activations? What's your go-to mode for portable operations? Drop a comment below or find me on Facebook or shoot me an email on here.

What is FT4 and how is it different from FT8? FT4 is a digital mode similar to FT8 but with a faster cycle time (7.5 seconds vs 15 seconds), making it better suited for contests and quick pile-ups.

What equipment do I need for POTA FT4 activations? You need an HF transceiver capable of digital modes, a computer or tablet running WSJT-X software, an interface between your radio and computer, and a suitable antenna for your chosen bands.

Where is Chito Branch Reserve located? Chito Branch Reserve (US-5524) is located in the Tampa Bay area of Florida and is part of the Southwest Florida Water Management District.

How many contacts do you need for a valid POTA activation? You need a minimum of 10 QSOs to qualify for a valid POTA activation.

You can help support this website by using these Amazon Affiliate Links:

QRP/Portable Radios:

  1. Xiegu G90 HF Transceiver (20W QRP)

  2. TruSDX transceiver 5-Band usdx Multimode QRP

  3. Xiegu X6100 HF Radio Transceiver

Antennas & Tuning:

  1. MFJ-1979 17ft Telescopic Whip Antenna

  2. End Fed Half Wave Antenna Kit (EFHW 40m-10m)

  3. NanoVNA V2 Plus 4 Vector Network Analyzer

  4. JYR8010-150W End Fed Half Wave Antenna

CW Equipment:

  1. Putikeeg Mini Morse Code Key - CW Dual Paddle

  2. XIEGU VK-5 Mini CW Straight Key

  3. HAMCUBE Mini Morse Code Trainer Kit

Power & Accessories:

  1. 12V 100Ah LiFePO4 Battery

  2. 14.6V 10A LiFePO4 Battery Charger for 12V Lithium Iron Phosphate Batteries

  3. HKS Ratchet Powerpole Crimping Tool 31Pcs Kit

Organization & Transport:

  1. Koah Weatherproof Hard Case with Customizable Foam (18 x 14 x 7 Inch)

  2. Naturehike Tactical Camping Table

BONUS ITEMS

  1. RigExpert AA-650 Zoom Antenna Analyzer

  2. BNC Cable - 50FT RG58 50 ohm

  3. Super Antenna MS135 SuperWire

  4. Heil Sound Pro Set 3 Studio Headphones with Closed Back

  5. ARRL Antenna Book for Radio Communications 25th Edition

73,
David WK4DS

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amateur radio David Saylors amateur radio David Saylors

I used Modern Digital Modes and I have mixed feelings.

Well, it finally happened. KV9L helped me setup my computer at home to work some digital modes with my IC-705. It turns out that all I needed to connect my IC-705 to my desktop PC was a simple USB cable! It also took a significant amount of “know how” from my buddy Aaron to get them talking to each other as well. The two modes that I have played with so far as FT4 and FT8. These seem to be the current hotness in digital modes with FT8 clearly winning in popularity as the “watering hole” for it on 20 meters has dozens of stations on the air pretty much 24/7. The FT4 area can go long periods of time with no one there at all. Just to see if I like this idea, I have just wired the 705 up temporary on the shack bench with wires running this way and that… Once I decide if I want to keep this up or not, I will put all those pesky wires away…but till then!

All I needed was a USB cable that was in the storage bin 3 feet away…lol.

I will be honest though, I am kind of stuck in the past. I really like the kinesthetic feel of working with my gear and once setup, these new digital modes are pretty hands off. I was blown away at how far I could hear stations that are not even perceptible to the ear when using the “main two” modes (SSB & CW).

I was hearing stations from all over the world on my simple vertical antenna. Here comes some of the problems though. They either wouldn’t answer or couldn’t hear me when I would click on them. That isn’t to say that I didn’t make any contacts but it is not as easy as I was thinking it would be. Often I would choose a station to answer just to have them continue to call CQ.

Another thing I learned was that there is a good bit of waiting… Actually, there is a lot of waiting… it takes 15 seconds on FT8 to send one message, in one direction, and another 15 to send the reply. A typical QSO is 4 messages(as best as I can figure) from each person so a full two minutes to finish one QSO. This doesn’t sound like a long time till you are sitting there watching the QSO happen in real time. It goes a little as follows: they call CQ, you call them for a QSO, they don’t hear you the first time as you started transmitting in the middle of a cycle, so they call CQ again, then your message is repeated, they accept your call and send signal report, you send signal report back, they acknowledge and 73, you close with 73…all automatically. Each one of these is a full 15 seconds of waiting since the computer is handling everything for you. If the band is crowded and noisy or you are like me, running QRP power, the exchange can take multiple attempts to complete each stage (all of this is also automated), running the total time up even further.

Here is an example of a QSO I had with KP4PUA in Puerto Rico and notice we had to send signal reports twice to complete the QSO, This took a full 2 minutes to exchange this simple contact.

Another thing that happens is they give up after three of four attempts at the QSO.  Burning a full 5 minutes or more just ATTEMPTING to complete a QSO. So I tried several times and made maybe a dozen QSO contacts over the past couple of days. This ends up being very frustrating and to be honest…boring… for a CW op who is used to things happening differently. I found myself picking a callsign for my computer to attempt to call and then leaving it to make the QSO and going for snacks, water, or even a bathroom call and just checking for the complete QSO window when I returned. It is a fully automated process and requires nothing from you other than to click the ok button and choose another callsign.

A typical window layout for FT8 (pictured) or FT4. Click on the screenshot to goto the WSJT-x webstie to learn more about it.

I can see the value in It though, as it takes very little energy and lots of stations can fill the same bandspace as a single SSB QSO. I mean a lot, like dozens or maybe more as shown in the waterfall above. All of those little yellow squares are exchanges happening and they are taking about 100hz of bandspace and they can also duplex and share the bandspace at the same time…from what I can tell. So it has merit, just not for an old CW op like myself.

Now to be honest, FT4 is more my speed as it took half the time to send each message. Waiting 7 1/2 seconds seems like a trivial amount of time difference, but it does seem to pass be faster than the 15 seconds of FT8 for some reason… Like disproportionately faster. Even though there is only 7 1/2 seconds difference, it just seems like it is 4 times faster for some reason, it must be a mental block or something, but that is how I see it. I have been letting it run on FT4 while I typed up this blog post and actually made a few QSOs while I have been here. Not many as FT4 is not as popular as FT8 for some reason and there are not as many people using this mode.

So who do I think this mode of operation is for? That is a great question. I would guide the new ham to it, as once setup, it is very simple to operate and you don’t have to worry about “mic fright” as it is literally point and click. Another group that would be well served right away is the younger generation as they are accustomed to this type of interface and for them, it would “just make sense” for them as they are used to using computers all their lives. Another group would be the person that has been injured or incapacitated in some way that prevents them from using the usual modes, as long as they can drive a mouse, they can get on the air. Shoot, if you just like using digital modes, then it is there for you! There are others of course, my point is that I am not bashing digital modes here, I have just found it wasn’t what I expected and that it isn’t really for me…at this time. I hope to be able to add a computer to my activation gear list at some point and that should enable me to add digital modes to my activation tool kit. I carry a microphone now, but rarely use it, and that needs to change… I really enjoy quietly sitting in the park working CW though, so I am torn… lol. Anyway, till then I will keep using my little QRP radios and having a grand ole time. If you have not gotten out and activated a park, I highly recommend it. I am going to write up what I pack for an activation, and that is my style, and share that with you soon.

If you want to learn more about Parks on the Air. Click this link or the photo below.

Me working the OG digital mode…CW on my tiny N6ARA paddles

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