HEROS Technology Ltd. SCR HF Preselector-CAT

High-performance Software Controlled Radio Preselector. 1.8MHz to 50MHz tunable Band-Pass Filter bank. Digital tuning. The SCR Preselector-CAT is suitable to work with SDR or Analogue radios. It is connected in line between the antenna and your receiver or transceiver providing filtering of R.F.spectrum in order to reduce broadband energy and conforming signals before reaching the…

RI20ANT Bellingshausen special event

This is a documentary about Bellingshausen, the Russian Antarctic Base on King George Island The final action to mark the 20th anniversary of the Russian Robinson Club (RRC) will occur in Antarctica during the period of December 17 to 31. RRC Club members Alexander Kuznetsov RW3RN (RRC #256) and Oleg Neruchev UA3HK/ZS1OIN (RRC #349) will…

Ten-Tec Rebel Model 506 Open Source QRP CW Transceiver

Description: The TEN-TEC Rebel model 506 transceiver is designed with the purpose of providing Ham Radio operators a platform for developing and writing code using the open-source Arduino programming environment. It is a factory built CW QRP radio with a Chip Kit Uno 32 Arduino compatible processing unit that holds the operating program. The radio…