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Self-build coupler Belar AM modulation monitor

The Belar AMM-2C Modulation Monitor is a precision, all solid-state AM demodulator designed to measure the modulation characteristics of Radio Delta International. With the self-built coupler, the AM modulation monitor is tuned to 6020 kHz (+/- 20 ....

Our nice Telefunken S2525/3 AM broadcast transmitter

We used the Telefunken S2525/3 very often on the Shortwave 48m. it’s a great transmitter with a very nice audio quality. This HF broadcast transmitter is fully solid-state up until the final power amplifier. The S2525/3 has the following ....

World Amateur Radio Day

Every April 18, radio amateurs worldwide take to the airwaves in celebration of World Amateur Radio Day. It was on this day in 1925 that the International Amateur Radio Union was formed in Paris. Amateur Radio experimenters were the first ....

Refurbished Rhode & Schwarz SK080

Rhode & Schwarz SK080 AM broadcast transmitter with classic anode/screen modulation, built in 1959. 100% tube-based, 800 watts RF, sucks 3.4 kVA (one phase!). Radio Delta engineers refurbished this beautiful vintage transmitter. The R&S ....

MV Ross Revenge

MV Ross Revenge is the home of Radio Caroline, as well as having supported Radio Monique. She was constructed in Germany in 1960, and initially served as a commercial trawler. Following her decommissioning, she was purchased by Radio Caroline and ....