Scout…ing for contacts POTA style

Today saw me field a “new-to-me” radio, a Ten Tec Scout 555.

If you have never seen one of these radios, you are not alone. This is a radio that was produced for only about 15 years, towards the end of the company’s life before it changed hands around 10 years ago. It is unique in that it doesn’t contain every band but rather only one at a time. These little modules each contain the special bits to make it work on each band they are designed for and the goal back in the day way to just get the bands that you use. Turned out that these radios quickly formed a cult following and they all wanted the “whole set” of bands for them. I have the whole set of bands thanks to KG4WBI rounding up an 80 meter module and presenting it to me as an early birthday present. Once I had the whole set, I felt this iconic antique needed a better way to travel around when in my truck so I went to Harbor Freight and grabbed an Apache 4800 hard shell case for it. The Ten Tec Scout fits perfectly alongside the set of band modules. I even created a pocket under the radio to store the power cord so I have the whole rig in the case. (The 20 meter module is currently installed in the radio in the below photo)

Today saw me back in the “truck-shack” (I think this is what I am going to start calling this in the future) and setting the radio up on the hard shell case in the passenger seat. Today’s setup was not for power access though as my internal power cord it only fused to 10 amps and the Scout draws that much on transmit normally since it is not user adjustable on the front panel…yet.

I have found a website about the Scout that is a literal treasure trove of information about this radio, mainly in the CW mode, but a wealth of information none the less. I found the website by watching Coastal Waves and Wires video here. The website is by NA5N and is linked here for quick access… His mods for the Scout are pretty extensive an he does a great job of documenting the mods as well as explaining the process the radio uses to transmit and receive and he even has these hand drawn graphics that are amazing.

Back to the activation after chasing a rabbit for a minute…

So today I started on 40 meters as I figured I could make a good many contacts there on SSB, problem is that I have tuned my ham sticks for the CW portion of the band and the 40 meter ham stick is not very broad banded so it really wasn’t going to allow this. What did I do then? Well, I got on CW and made a few contacts before moving up to 20 meters where the antenna is broad banded enough to cover the entire amateur band space.

A couple of noteworthy items here. The 36Ah battery weighs almost nothing but packs a ton of energy. I use it from time to time to power my POTA ops but most of the time it is backup power in my shack for use during power outages and emergency nets and such.

The key I am using today is the Gemini and is a great little collapsible travel key. I had one little problem with it right after buying it due to the center post working loose but other than that it has been flawless. Great portable CW key if your wondering.

The antenna setup is as follows, hamstick riser, hamstick in QD socket, then several radials to form a counterpoise. I have taken to running one or two LONG radial now to play with how they interact with the hamstick antennas and so far it has been interesting to say the least.I found that on 40 meters, if the long radials were pulled taught, (I “anchor” them with a simple weight so I dont need tent stakes) that the resonant point would be well under 7.000mhz, but if I pulled just enough slack in them that they laid on the ground all the way except the first 8 feet from the antenna. Imagine gently curving down to the ground about 7’ from the yellow antenna riser then laying on the grass the rest of the way out. This moved the resonant center value up into the CW portion of the 40 meter band.

The point here is that the length and position of your radial field is absoloutly critical to your antenna system as a whole. The more I play with these radials, the more I learn about how they interact with the system and how important it is to measure your antenna prior to starting your activation if you build it on site.

In the photo below you can see how the radials were setup for the 20 meter band.

Remember at the beginning of this story where I mentioned “ominous” clouds? Well, here is a photo of them to show you what I meant. That looks like rain to me, I did get by without getting rained on before finishing, but that looks EXACTLY like the kind of clouds that bring rain to my area of operation.

Some thoughts on the logbook from today. I have gotten very comfortable with paper logging in the field and then transcribing at home. I did it today actually and it was fine…for the most part. But there was a couple of times when I needed a helper to log for me when I was working SSB. SSB happens so much faster than CW does for me that I was struggling to keep up with the log.

If you will notice in my other posts, I will number the QSOs and even write out the time on the FT8 QSOs as they are pretty slow to complete for me. But once I moved to 20 meters today and jumped on the air with more than 17 watts, things got sporty! I literally stopped writing line numbers, abbreviated most of the time stamps and even left out some of the states just to keep up! It was madness! I could not believe how much more your signal gets out with that minimal amount of power increase. It was a blessing and a curse at the same time, I now see why people will computer log in the field and have a helper to log for them so they can keep up. I could have easily worked 100 QSOs without trying hard if I had just stayed longer at the park. The SSB portion was on fire! The CW portion was doing fine too, but there were SO many more ops on SSB on this day…so many more… In the end, I had a great time and even worked my buddy Roger KG4WBI, this has to be my closest 20 meter contact for POTA ever. If I measured it right we were 2.9 miles apart. LOL What a great day to be on the air!

73

WK4DS

A POTA activation that was incredibly rewarding!!!

When we activate a park we never know what is going to happen.

So today is Labor day here in the USA. This is the first Monday in September set aside for the workers of this country to grill out with their buddies and such as that. So for me that means going out and setting up a POTA activation somewhere. I decided on Cloudland Canyon after deciding that the drive time to other parks would make the activation very short for me and I wanted more time on the air instead. I choose the upper parking lot since I wanted to use my hamstick system instead of rigging to the trees today. The trees I normally use have a lot of traffic today from hikers and I didn’t want them tripping over antenna wires all day so this just made sense. As you can see below, there was plenty of room for me here today…

I don’t know if I have shared this or not, but I have converted all of my hamsticks to this QD system so band changes are fast. It works really well, I do need to retune my antennas though as this did lengthen them a little and now they are all low on the meter for their center frequency… always something to do…lol.

Once installed, these mounts work really well and the tune is very stable, I have not seen it change at all from the numbers on the VNA since adding these QD adapters. So if you think you might want to use hamsticks for POTA, I really like them. Now to be honest, I don’t think I would use them for mobile (in motion on the roadway) use as there is a lot of leverage on this little mount and the spring is not that heavy to me, they might work fine like that and probably have been deployed that way, but for me, this is a site setup tool only.

Another reason for the hamstick setup is the use of the truck for shade during the activation. By strategic positioning of the truck I can leave the doors open with the engine off and not have RFI from the operating parts of the truck to contend with as well as having a natural shade from the sun too. I use this trick a lot when I don’t have a ton of time for an activation and want to operate in inclement weather like rain. Simple and robust, plus the system just works, look at the logbook below and tell me how hamsticks don’t work…

I carry all of the stuff in the photo below in the hard-shell case that I keep the Ten Tec Argonaut 5 in so I don’t have to search for cables or things like my key. It is all in there and I just grab the case and go. This makes life so much simpler for me. Seen in the photo is the Ham-gadgets Pico Keyer and the N3ZN tiny CW key I picked up at the Huntsville Hamfest. Once I get all the parts out of the case I close it up and use it in the passenger seat for the hard surface to place the radio on so it is out of the way while I use the center armrest for logging and sending CW.

Here you can see how simple the connection scheme is when running Hamstick antennas, there is no tuner or interconnecting cables, just the RF choke to the coax, the power cable (I plugged into the truck’s cigarette lighter port today) and the CW key cable and nothing else is needed. Simple is king here and it also makes setup fast. That is another reason I like using CW instead of other digital modes with this radio as well as my other radios to this point. They all need a computer and a sound card to get them to do digital modes (other than CW) and I normally don’t have a ton of time for all that setup and getting it going. CW is on the air really fast, like SSB. You can also see the silent fan mod I did a while back (there is a blog post showing what I did) and I really like this mod as it eliminated the fan noise entirely. I need to make a screen to protect the fan though, that is still a project to be done…

You have seen this view shown below in the past, but I included it today since I got the moon in the photo too… lol. I do like the system I have built for activating a park with a hamstick, it is really fast to deploy and when I do a rove, I simply coil up the counterpoise wires and lay them in the truck bed. pull off the radiator from the QD base and lay it in the bed of the truck too, unplug the coax and coil up the portion to get it inside the truck and I am off to the next park. The antenna mount can ride in the receiver hitch easily enough so it is not an issue. This sounds like a lot but it literally happens in two minutes tops and I am driving to the next park.

Another thing I did today was hook up the inline power meter. Now I don’t remember why it only shows 8.9 watts of output. I had the radio set to 15 watts forward power so I probably took the photo after I let off of the key as the amp hour meter doesn’t clear till you disconnect it from power. I don’t remember if I had it in tune mode or if I was simply sending dashes. But what I was looking for was the total amp hours of use, this tells me if my little 8A/h battery would hold up to a heavy activation. From this meter reading it will. Now remember, this is with the radio set to 15 watts too, so under a normal activation of 5 to 8 watts, this would last for many hours. Today I went for two hours and got 70 contacts in the log and only used 3.68A/h and that makes me much more confident in using the smaller battery for activations now. I had my concerns before but now I don’t. Another point here is that I normally try to add something else to the activation that has to do with information gathering so I also learn something that I didn’t know before, today it was the amp hour info.

So I get to the park and take my time and listen to the bands a few minutes once the rig is installed and decide to start on 40 meters as the noise level was really low today. I get on the air at 13:25 UTC (9:25 local time) and start calling CQ… It didn’t take long to secure the activation and I had not left 40 meters! I don’t get on the lower bands too often as I am not at the park at night when the bands are less noisy so I don’t get the hams in the closer states like Tennessee or Georgia, it was really nice to get some of those states in the log for a change. Hanging out on 15 and 17 meters nets much more distant stations so I have to remember to come back to 40 every once in a while…

I then move to 30 meters for a little while to see what I could do there and work several more people on 30 meters in about ten minutes of operating. 30 meters at this park is a crap shoot to be honest, some days it is quiet and some days it has this intermittent computer noise that just shuts the band down, today the noise was nowhere to be found to my delight!

Then…I…got…on…twenty…

First off, who doesn’t work Bill (K4NYM) if he is booming in to your station and for a Park to Park no less? So I hunted him before setting up on frequency. It took one try, he is an amazing operator and I aspire to operate as efficiently as him some day.

Things take off once I park on a frequency and start calling CQ. I promptly work a page and a half of calls then I get the one you see below. Not one to brush off anyone calling me, I take the time to have a nice QSO with him as he is working on getting on the air with CW and is having to do head copy only…I later learn… So I take the time to write down what he is sending so I can read it and respond when it is my turn. Turns out he is just now getting back active in CW after taking a long hiatus from it and also, he cant see, hence the head copy only. Talk about a person with conviction, he never gave up. I was so glad Justin called me and feel honored he felt confident in me enough to throw his call into the fray of POTA not knowing what would happen. That took guts.

Once we finished our QSO it was back to the POTA game in full swing. I struggled with one thing today more than anything else… stations zero beating me. It never fails, I get two or three stations that due to modern technology, will zero beat me perfectly. This in itself isn’t a problem and is really the most efficient QSO to have in CW, but what happens is that those two or three stations melt together into the one single tone and it is unintelligible. So If I don’t pull you out on the first try, move up or down 30 to 40 hertz, This will make you off frequency enough to sound different and you wont blend with the other stations and I will get you on the first try, this is an old contesting trick and by golly it works, I will have one station that stands out and is clearly definable and the rest is this one huge tone. I never really understood it till I was an activator trying to pull one call out of the mayhem, then I got it. Now when I hunt I leave my XIT or Transmit Incremental Tuning on and set 40 hz high just for this reason.

Once I hit 70 QSOs today I had been on the air for two straight hours so I went QRT and shut down the radio. It was a great activation and I really enjoyed working with a new (relatively speaking) ham on building his CW skills back up to what they were. So till next time get your radio out!!!

72

WK4DS - David