radio

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 kHz). The AMM-2C utilizes a unique carrier-referencing system for the peak flasher indications. Peak flasher accuracy, as well as …

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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 specifications: 1 Kilowatt continuous output power; solid-state (except final stage YL-1510); covers 1.5 – 30 Mhz, synthesized,10 Hz resolution.

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 to discover that the short wave spectrum — far from being a wasteland — could support worldwide propagation. In the rush to …

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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 SK080 has a nice internal modulator with 2 x QB3/300 tubes. The R&S SK080 could modulate around 800 watt nom. https://youtu.be/Q4twJnfqxwMhttps://youtu.be/FCuQITyQfv0

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 outfitted as a radio ship, complete with 91 m antenna mast and 50 kW transmitter. Her …

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Radio Atlantis

Radio Atlantis was a Belgian-owned offshore pirate radio station, which operated in 1973 and 1974 from the coast of the Netherlands and Belgium. The station began broadcasting from the Radio Caroline Ship MV Mi Amigo. It was originally intended that programs would begin on 15 July 1973, using Mi Amigo’s 10-kilowatt transmitter on 773 kHz (388m). The …

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Radio ship Magdalena

Since Radio Mi Amigo had closed suddenly in October 1978 the new ship finally appeared on the North Sea anchoring in various locations in mid-June 1979 and finally ending up in a position near the Thornton Bank, off the coast of Belgium.  Test broadcasts of continuous music, with occasional Radio Mi Amigo ID announcements, started …

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Radio Perlee

In the eighties we did many broadcasts together with Radio Perlee. To share information from that period on this website, we asked him to write something for the listeners. “Thanks for your message, I was silent for a moment. You are talking about frames from more than 37 years ago when we did the broadcasts together with Radio Delta International. Your parents …

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Flashback to the 70’s

We have found very nice old cassette recordings from the first broadcasts 8 January on the 48m shortwave band. During the “Radio Delta goes DX” program we will look back with these recordings on the history-rich past of “the big one from Holland” Radio Delta International. You will hear fragments that will remind you of this …

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Old QSL’s

Now that Radio Delta can be heard weekly on 6020 kHz and 6005 kHz shortwave, we are getting a lot of nice reactions from all over the world. Dozens of emails every weekend with fantastic old memories. If you are in possession of an old QSL or something that reminds you of that period, it …

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