Results of my first POTA activation

 

Gear:

• Radio:  Xiegu G90
• Antenna: JPC-12
• Mode: FT-8

End of the day, after about 3 hours with some time during that messing with things and trying out SSB, I ended up with 45 QSO's.  The wind was obnoxious knocking over my antenna a few times.  My capacitance hat broke during the first free fall.  Added to my shopping list is a sand bag to keep my tripod from going over.  I also need to remember to pack my chair.  I got a little travel/camping table which should work really well to hold my radio.  

Lessons learned.  Still was fun.  I'll get things settled down and will eventually do SSB contacts.  SSB can be a pain right now for me due to learning the radio, getting my antenna working properly, and getting past everyone else trying to make contacts.  It's not as orderly as FT-8...and with FT-8 I don't have to worry about stumbling over my words. 

Alright, long day.  I have gear to clean.  

73

POTA Activate!

I'm live out at Boyce Thompson Arboretum doing a POTA activation.  Right now I'm doing FT-8 but I might hop on SSB after bit.

New Radio and Antenna

     In looking for a more portable radio I picked up a Xiegu G90 based on like everyone recommending it for a low power portable beast.  I picked up a Digirig so I can do digital modes with it and that is so much easier than the Signalink.  This radio is capable of up to 20w transmit power and is much much smaller than my FT-840.  There are a ton of videos out there reviewing this one and covering various configuration pieces so I won't go into too much detail unless someone asks.  

    This thing will do everything I need it to do for POTA type activity.  Right now I'm doing mostly FT-8 as it is easier to do from my house with a more temporary setup in my backyard.  (I'll be starting on my more permanent setup soon). Before I get into how it performed compared to my FT-840 let me cover the new antenna I picked up.

Not a great picture but you should get the idea.  This is a JPC-12 antenna.  It collapses down into a small bag and pretty light.  I created 8 10' long counterpoise wires which fan out from the base.  Not pictured in this is a capacitance hat that sits on top which I added earlier this evening before starting up a FT-8 session.  This antenna has a coil in the middle that has a slider on it that you can move to adjust the antenna for which band you want to use it on.  I only really played with it on 20m and 40m.

I was able to get pretty good SWR without a tuner by just adjusting that slider.   There is more tweaking that can be done but I wasn't in the mood to work through all the bands and get them all figured out.  So I primarily focused on 20m and had great results.   

I had a couple sessions last night with the FT-840 on this antenna and made some good contacts.  This was running at about 50w give or take and the conditions were "Good".

Today this is what I got with the G90 on this antenna while the conditions were "Fair" and "Poor".  Now, this is just contacts.  I was being heard much further out.   There was just nobody participating on the far end or I couldn't hear them.  The conditions were coming and going.  I could start a session with someone and then lose them.    Either way, less than a couple hours and 25 contacts.  Despite the conditions, lots of people out doing contacts.  Several POTA activators as well.

Anyways, I really like this setup currently.  The G90 will be my POTA radio.  Much easier to carry and pretty rugged.  The antenna will also be part of my kit.  It doesn't require staking it down.  I had it out most of the weekend with windy conditions and it did pretty well.  Not sure it could take a ton of wind but it can handle a good breeze at the very least.  This, along with my POTA33H mast and EFHW antenna setup will give me a lot of options depending on where I go.  I can easily do CW on this radio so as I learn morse code I will be able to do that with the G90.    Eventually I'll get a QMX and then I'll have a super light QRP setup that does 5w, this G90 that does 20w, and then I'll have a 100w home radio if I keep the FT-840.  

That's it for now.  I'll be working on a couple projects over the coming weeks.  I am going to build a 49:1 unun for my base station.   I'm going to be building a 40m EFHW permanent installation in my backyard.  I have the space and I have a couple options of how I run it that should keep it mostly unnoticeable so the HOA won't complain.  With this I can get 40m, 20m, 15m, and 10m and with a tuner 30m, 17m, 12m, and 6m.  I might build a coil to add 80m or maybe when I get the tape measure out and do the math I might be able to do some sort of layout that I can naturally get 80m.  

Alright, that's it for today.  73

Watch your settings

 Just a quick note that when working on a radio capable of 100w of power make sure you watch what power output you have configured at all times. This morning I was not paying attention and must have either left it high or somehow cranked the wrong know.  Either way the result was my radio pumping out, or attempting to, 100w of power while I was doing ft-8 for quite some time.  When my tuner started wigging out more than normal I decided to call it quits for the morning.  It was starting to warm up and I was getting hungry.  So I started putting everything away which included my antenna and all of that as it was Sunday and I am only setting things up on weekends or when I am specifically going to use the radio.  When I got to pulling my transformer down from the end of my antenna, it was HOT.  Not burn your fingers hot, but it was way hotter than it should be.  So I had been pumping out 100w across digital which that antenna is rated for 40w digital.  So not only was I putting way too much load on my radio and the tuner, but also doing harm to the antenna.    I'm not sure if I did permanent damage yet or not to anything...well, at worst on the radio I may have to replace some components. Same for the tuner.  The Xtenna antenna is a nicely packaged item that would be more of a pain to replace pieces.  

Either way, don't put yourself in that position.  Figure out how to make your power level obvious at all times.    Ugg.  

CQ World Wide DX Contest - RTTY

What a pain in the arse!  

This weekend the "CQ World Wide DX Contest - RTTY" is going on.  Folks in the local group I am in brought it up and I took it that this was an easy contest to get involved with.  Once you get going maybe but to begin with it is a total pain in the ass.  I've done a lot of digital in the past week.  It was all FT-8 and I jused wsjtx to do it and that...THAT....is easy.  Or maybe the term should be intuitive.  RTTY, even with a lot of googling, took multiple attempts.  Different software, with a very specific conversation directive.  They cal CQ, you respond with your callsign, they respond with a report in a specific format, and you respond in kind.  There is a lot of wiggle room on some of that, but there is a specific format all of this needs to end up in so that when you upload it to the contest log site, they accept it.  

My first attempt I spent probably 30 mins to an hour just trying to figure out how to find a contact.  I got frustrated and went back to FT-8 and SSB voice.  The next morning I watched a few videos and on one of them the guy walked through how to do it for a similar context.  It was enough to fill in some major gaps.  So I gave it another shot.  This time I made a bunch of contacts except that when I went to upload the logs I was missing information and I had already quit out of the app so I couldn't go back through the log to get the missing information.

And that led to the most recent attempt.  This time I did not quit out and was able to successfully (well..I'll find out if I get credit for the contacts) uploaded the logs.  

Anyways, I just wanted to vent a bit about this.  I'm in the rookie category on this context meaning I've been a Ham for less than 3 years.  Definitely fits.  Next year I will be better at this..if I remember how to do all of this.  I'm going to have to document the setup and procedure so I don't forget.  

Lots of Contacts

I spent the week out of town but was eager to get back and play.  Not including the RTTY contest contacts, I've racked up about 90 contacts all over the world this weekend and I still plan on more tomorrow.  Most of these are FT-8 which is the easiest mode for me to currently use despite my radio not being a modern digital radio with all the fancy bells and whistles.  The EFHW antenna I have up is working really well.  It could probably use a bit more trimming but with the tuner I get good enough SWR even across 40, 30, 20, 17, 15, 12, and 10.   For the heck of it I tried 80m but as expected, I did not get anything. It was a good day for the bands.  Lots of activity and some great contacts all the way up to 10m.  

I have been using a ATU-10 automatic tuner that I picked up.  The design for this is available out there and you can buy kits or buy the parts and build it yourself or you can pay for commercial pre-built versions.  The issue with these is the quality of the parts and build.  You can find them on various places for around $100 or you can find them on places like aliexpress for like $30 which is what I did.  I knew i was taking a gamble but it seems to be working except for one thing that I noticed.  On 2 of the bands i worked this weekend, 30 and 17 I believe, it would start reseting on its own during transmissions.  A quick google pointed to an issue with some cheaper versions of the tuner that maybe skimped on things.   The good news is that it is an easy fix.  Solder a capacitor across the connections of the tune button will solve RF from messing with the tuner.  I'm going to do this modification and will let you know if that fixes the issue.  $30 + the cost of a capacitor (I can get a bunch of them on Amazon for like $6) is a lot cheaper than $100. 

Extra

Final note.  I had a 4 hour flight out to Ohio this week. I spent the flight studying for my Amateur Extra exam.  When I landed I scheduled a test for late that night which gave me a few more hours to study.  This along with the studying I had done over the previous couple weeks allowed me to pass my test Monday night.  So I guess the next thing I need to study is Morse Code because why not?  

Anyways, have a good one!  

73

Birthday Weekend Fun

 Playing Around With FT-8

So after my initial run with making contacts on Saturday, I went back out that night around sunset and spent more time making contacts.  This time via FT-8.  I have to jump through a few hoops to make this work but it works.  If anyone is interested in the specific on what pieces connected where and with what configurations let me know and I'll write it all up with pictures.  But high level, from my FT-840 I connect it to a Signalink device which then connects to my laptop.  I also have the CAT cable which goes from the FT-840 to my laptop.  Then I use a combination of tools.  flrig as it works best with the radio.  wsjtx to do the actual FT-8 communication, and then Power Logger to track my contacts.  

I jumped back and forth between 20m and 40m and spent about an hour last night and then another 2 1/2 hours or so this morning.  Last night I made about 3 FT-8 contacts one of which was out of Russia.

This screenshot also included the handful of SSB contacts I had made during that session.  Blue are 40m contacts and Green are 20m.   

This was this mornings session.  It's still the hot season here and I finally called it as I was sweating and I was putting the radio to work.   So I packed everything up.  This was a lot of fun figuring all of this out.  What worked, what didn't how to get everything to talk.  There were a couple contests going on like Route 66 on the Air, QSO Parties, and the ever present Parks on the Air.  

I'll be traveling this week for work.  I'll be out in Columbus.  I was going to bring my new portable right but I decided against it.  I really need to spend more time studying for my Extra exam so I'm going to just take a handheld.  I have a cheap Quansheng UV-K5 that I programmed up with the local repeaters there so I will still keep an ear out for activity while I'm there and maybe make a contact or two.  But my main focus during my downtime, and especially while on the flight, will be to study.  

Anyways, I'm sure there are like maybe 1 or 2 people who might look at this blog however if there is someone who stumbles across it and what I am doing is in line with what you are doing or want to do, let me know.  If there are things you want me to elaborate on try let me know.  I'm just having fun and learning as I go.  I think next weekend I'm going to try a different antenna configuration and see what the results are.  

73

Contact made

 First Contact

Well, first contact on HF.  Today there was a HIP get together here for the Be-HIP group I have been involved with.  I took out my gear and totally figured I'd do something and that I would not have everything I need even though I thought I did.  And I was definitely not prepared.   I didn't bring a chair which made it hard to be in the shade...shoot, I didn't bring shade either which I could do and will do in the future.   So I found a table that I figured would get some shade eventually and tried to set things up.  And as I progressed, I got hot...and so did my gear to the point where I wasn't feeling well and I called it.  I packed up my stuff and ended up just talking with the others for a bit more before heading home.

So what did I learn from that.  Bring more water, shade, and a chair.  The city parks are also more restrictive in what you can do.  An prime example is you can't put anything into the ground.  There are trees to use and depending on where we are I can easily make use of my antenna mast and run the wire across to a tree.  I have a tire flagpole stand to help with this.  I'm actually using this in the background for my mast right now.  You can put weight on it or just drive over it and let the weight of your car hold it in place.  So I think next time I'm going to bring shade that can go over the back of my car and beyond so I can sit and stay cooler if it is hot.  I also learned that I should finish getting my nanovna settings all setup and saved.  I have most of them there but I missed a couple and that slowed me down in the heat to figure out what needed to be changed where.  I also had not used the tuner before nor my FT-840 really so I was struggling to figure out how to test my antenna.

When I got home I went directly into my back yard and started setting things up there.   For this I didn't start with my home made antennas like I was trying to do earlier today, I started with my Xtenna EFHW.  I hung the balun from my tree and ran the wire out towards a trampoline we have.   I used the flagpole stand and slid it under the trampoline and I was off.  The next step was to test the SWR on my antenna and get the length where it needs to be.  When you get them, or even when you make them, you start long..it is easier to cut then to add.  So when I started it was off the chart.  I was looking at 20m as that is good day and night right now.   

After about 6 or 7 attempts where I cut a few feet off the wire I got it down to below 1.5 and since I was hot and raising and lowering the wire was a pain in the arse I asked google for validation and it came back and said it was fantastic.  (Don't trust Google, but it does help).   That was at about 1pm.  I pulled the NanoVNA from the wire and hooked the wire up to my tuner which was already connected to my radio.  I did the tune process which I think I did right and then I started hunting.  

I just started using a program called Ham2k Power Logger (Next).  I've had it installed on my phone but I watched a Youtube video yesterday talking about the new version and using it on a Mac.  So I fired that up after firing up flrig which I seem to need for this FT-840.  I also had wsjtx running didn't look at it.  

About 20 mins later I made my first contact.  I had been looking at different frequencies for a while.  Power Logger will show recent spottings so you can see that a specific callsign was just seen on a specific frequency.  It gives you a bunch more info like the POTA information.  You can click on it and it will automatically tune your radio (if you have all of that setup which I do).  So I was jumping around checking different spots.  I was able to hear a few different people in places like Montana, Washington, and Texas some of which were quite loud and clear.  But I was also seeing some of them fading in and out.    But this guy was one that was loud and clear coming out of Texas.  This guy was doing a POTA activation out of Austin State Park and I was able to make clear contact with him.  

I made a couple more contacts over the next 30 minutes give or take before deciding I was sweating too much and it was time to take a break.  I'll leave the antenna up for now so I can plug things in easily tonight and/or tomorrow.  Evening will open up 40m which will be interesting to see if I get anything.

For my testing I just used a tv tray stand and had my radio, tuner, and laptop on it with my battery on the ground.

The Xtenna balun is hanging in that tree.

And you can see my mast there. 

So that is it for now.  It's time to throw my trunks on and hop in the pool

Where my contacts were today.

Ivan