| Broadcast area | Humpty Doo, Northern Territory, Australia |
|---|---|
| Frequency | Several shortwave frequencies between 18.864 and 21.866 MHz |
| Programming | |
| Language(s) | English |
| Format | Numbers station |
| Affiliations | Royal Australian Navy (speculated) |
| Ownership | |
| Owner | Australian Secret Intelligence Service (speculated) |
| Lincolnshire Poacher | |
Cherry Ripe is the nickname of a discontinued shortwave numbers station that used several bars from the folk song "Cherry Ripe" as an interval signal. The station, which appears to have commenced transmissions in the late 1960s, is believed to have been controlled by the British Secret Intelligence Service. It is thought to have originally broadcast from a base on Guam (a US territory), but moved to Australia in 2009.
Broadcasts from Cherry Ripe consisted of an electronically synthesised, English-accented female voice, reading groups of five numbers, e.g. "3-5-7-6-1". The final number in each group was spoken at a higher pitch. It is likely that the station was used to communicate messages to undercover agents operating in other countries, to be decoded using a one-time pad.
A better-known and more active counterpart, known as the Lincolnshire Poacher, also after an English folk song used as its interval signal,[1] was broadcast from the eastern Mediterranean from the early 1970s until 2008. Many aspects of both stations' broadcasts were identical. The Lincolnshire Poacher used the same synthesised female voice and was also suspected as being operated by the UK government. From unofficial triangulation, its location was determined to be RAF Akrotiri, on Cyprus. Cherry Ripe appeared to assume at least part of the role of the Lincolnshire Poacher, after the latter ceased transmission.
In September 2009, the transmitter for Cherry Ripe was moved to Humpty Doo, in Australia.[2] However, in December that year, Cherry Ripe also ceased transmissions.[3]
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Transcription
Schedule
This schedule was accurate as of January 2006. All times are UTC, frequencies in MHz.[2]
| Sunday–Friday | |
|---|---|
| 00:10 | 18.864 21.866 |
| 01:00 | 19.884 21.866 |
| 10:00 | 20.474 23.461 |
| 11:00 | 18.864 23.461 14.73 |
| 12:00 | 18.864 23.461 |
| 13:00 | 18.864 21.866 |
| 14:00 | 18.864 20.707 |
| 22:00 | 18.864 24.644 |
| 23:00 | 18.864 21.866 |
References
- ^ "Spy Number Station Profile". Spynumbers.com. Retrieved 17 August 2016.
- ^ a b "E3 Lincolnshire Poacher". Simonmason.karoo.net. 21 December 1988. Archived from the original on 2 February 2019. Retrieved 17 August 2016.
- ^ "NSNL 147 - Voice stations". Cvni.net. Archived from the original on 10 March 2014. Retrieved 17 August 2016.
External links
- E03a/Ex E04 - Cherry Ripe
- Cherry Ripe Archived 31 March 2012 at the Wayback Machine on the Global Frequency Database Archived 30 March 2013 at the Wayback Machine
- Cherry Ripe station profile on SpyNumbers
- The Lincolnshire poacher with some details on Cherry Ripe
- Hugh Stegman (24 November 2009). "Cherry Ripe Frequency Change". Monitoring Times Utility World and Utility Logs.
- "The Conet Project – Recordings of Shortwave Numbers Stations ird059". includes recording
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This page was last edited on 30 November 2023, at 21:57