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