- 20 Dec 2021
- Started TX operation on 630m wspr as WA2ZKD
- Exciter - ZachTek WSPR-TX Desktop
- Amplifier - ENI/Verteq 300W Instrumentation Amp @ 100W output
- LP Filter - homebrew
- Antenna - 5 MHz dipole
- Matching - 6 dB attentuator
- Longest DX 955 km, numerous groundwave
- 03 Jan 2022
- switched callsign to WA2ZKD/2
- Started transition to different antenna
- 20ft monopole + 9:1 xfrmr interim antenna
- Matching still a simple pad
- DX performance same, GW weaker
- 05 Jan 2022
- monopole antenna now 28ft with some non-resonant center-loading
- added radials
- matching system revised for +1 dB more applied power
- net ERP increase +5 dB est.
- 06 Jan 2022