SP9TDA
CW keyer K3NG by SP9TDA
Comparing RX: Yaesu FTdx10 & FT5000MP
Comparing RX: Yaesu FT-2000D & FT5000MP
Comparing RX: Yaesu FT-2000 & FT-991A
Comparing RX - Yaesu FT2000 & Xiegu X6100
SN9AT @ IARU VHF 145MHz 2023 Contest
SN9AT @ IARU 2023 50MHz contest
3 x GU50 DIY Slideshow
Tube Power Amplifier 3 x GU50 / Wzmacniacz lampowy HF 3 x GU50
SN9AT @ 2 próby subregionalne IARU VHF
SN9AT @ IARU VHF 2m CONTEST 2022
SN9AT @ CQ WW SSB 2021 - halloween contest
SDR receiver "Malahit" - un-un test
Malahit DSP receiver 20m band
Comparing RX: Yaesu ft2k & Icom ic706mk2g
Kacper II by SP9TDA
Transceiver QRP Kacper II by SP9TDA