// CQDX.ru
TF4M Thor’s continues field style operation 20m CW. No AC Power. Just batteries and amazing Rhombic antennas field. Heard him in Bonn / Germany on Vertical 40m antenna with FC40 Yaesu antenna tuner.
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hi Andrey,
the TF Field Day is over. In my enthusiasm going for the record number of QSOs, I forgot the maximum operating time limit, so it appears that my score will not benefit from my 50W operation with battery power only on 20m…..:-) Oh well…
http://tf4m.com/archives/2630
I had no problems running my station for most of the weekend with the battery bank only = I had two transceivers in use so I could monitor two bands or more at the same time.
My antenna switching is controlled by 12V, so my station is almost 100% functional in the event of power failure. I intend to install some inverters, so that I can run a computer and access the internet during battery operation.
I believe 1400 Ah capacity would last me for a few days, and I could reduce power output to conserve energy if needed. Mostly I was running 100W for the local contacts.
I discovered that when I removed AC power to the shack, I lost the lights ! This meant operating by candle light with hand keying and logging by hand = a Boy and His Radio, very enjoyable and I had a lot of fun.
73 de Thor, TF4M