June 28, 2017
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I got a late start to field day this year due to a late breaking family commitment. Our club tried to setup at the local weather station but cancelled operations due to a large noise source crashing the bands at that location.
I started operating about 19:30 UTC. I started at 5W on SSB but over the first hour only made one contact. The band conditions were not good on 20m with lots of QRM and QSB. I added the amplifier and started to work on 45W. My power draw was significantly higher but my Q rate increased. The solar panel kept up with the power consumption even though there was quite a bit of cloudiness. I continued to operate on 20m until dusk when I switched to 40m. Overall I made 60 Phone contacts over the course of about 8 hours. My score this year will be lower even with more Q’s due to the higher power I ran. I did not get a chance to run digital.
- Digital logging – netbook needed one charge cycle during this period. The 12V to 18V DC-DC converter was running at abou 2.2A during the charging cycle. I used a 7Ahr for this through a spare Solar Charge controller. I am going to look at a tablet for next year.
- The EFHW antenna worked great on 20m.
- SOTAbeams travel mast + TV tripod worked great to support antenna with no guy lines.
- Solar generator box had enough juice to supply the day’s activity even at the higher power consumption and had some power to spare.
- Tube Tarp came in real handy as shade. Luckily no rain on Saturday. I’ll do better with the depolyment next time as I figured out how to guy it better.
What did not work so good:
- Can’t run digital mode while using an amp. The amp uses the ACC port on the radio but provides no pass through. I am looking at how I can accomplish this for next time.
- I don’t have the battery budget to run 45W phone for 24 hours. I figure I would have run out of power after about 12 hours. Partly cloudy day didn’t help.
- Didn’t take advantage of more 6 stations to raise Q count.
- Calling CQ consumes a lot of power. Need to refactor the power budget.
So I figure my score this year for 60 SSB QSO’s + bonus points for emergency power will work out to 310 for my 1B station. I am convinced now that I have to finish learning CW so that next year I can run 5W on CW and up my point count. A more directional antenna would be nice but a portable beam antenna remains elusive. For some reason I seemed to be doing better with stations in California than on the more densely populated east coast.
In summary, A great afternoon of outdoor radio fun and already looking forward to next year.
November 5, 2016
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I was going through a local pawn shop earlier this week and came across a Gateway LT4004u netbook that had just hit the floor a couple of days earlier. It turns out to be in great shape with 2GB ram (maxed out), 150GB drive and a decent set of USB and other ports. I have been wanting a netbook for its size and low power requirements to work HF portable digital modes. This little unit fit the bill perfectly and for $60 I could not go wrong. I have ordered a 12V to 19V converter so that I can use this with my solar generator. I re-installed Windows 7 on it and after hunting a bit was able to load all the orginall drivers. Only thing I plan to add to it at this time is a Bluetooth dongle so that I can control my FT-817ND with a bluetooth CAT gizmo I acquired some time ago. Battery life on this looks quite good so I’d say I lucked out.