Southern Television Broadcast Interruption (the "Vrillon" Message)

Briefing

On the evening of Saturday the twenty-sixth of November 1977, during a Southern Television news transmission, the sound carried to viewers across Hampshire and as far north as Berkshire and Oxfordshire was replaced by a distorted voice [1][2]. The picture continued undisturbed [4]. In the transcript that survives, the voice opens “This is the voice of Vrillon, a representative of the Ashtar Galactic Command, speaking to you” and closes “We are now leaving the plane of your existence” [3]. Contemporaneous reporting records that police, Post Office engineers and the broadcaster investigated, and that the intrusion was attributed to an unlicensed transmitter operating near the IBA’s Hannington station [1][2]. The file is held here not as an extra-terrestrial contact claim — no source supports that reading — but as a documented interference event whose author remains unidentified.

Sequence of events

Saturday the twenty-sixth of November 1977

• Evening. The interruption occurs during a Southern Television news transmission [1][2]. The Reading Evening Post of the thirtieth of November 1977 gives the time as 5.08pm and the duration as “about three minutes” [2]; a 2001 Transdiffusion account by Jason Robertson gives 5:12pm and five and a half minutes [4]; the Birmingham Sunday Mercury of the twenty-seventh of November 1977 reported the voice interrupted “a routine news programme for more than six minutes” [1].
• Viewers reported hearing “a slow, deep ‘Dr. Who’-type voice” proclaiming “All your weapons of evil must be destroyed. You have only a short time to learn to live together in peace” [1].
• Only the audio was affected; the transmitted picture was unchanged [4].
• Approximately fifteen minutes afterwards, the station apologised on air for “interference to sound” [1].
• “Hundreds of worried viewers” telephoned Southern Television, and police at Winchester received more than fifty 999 calls about what was described as a pirate transmission, launching an immediate investigation with television engineers and the Post Office [1].
• A spokesman at Whitchurch Police Station said: “We went up to the transmitter on Saturday as soon as we heard about the broadcast, but no one was there” [2].

The following days

• By the twenty-ninth of November 1977 a Southern Television spokesman stated: “We have a fair idea of how it happened, but obviously we are not going to release details, for this might inspire another hoax. But we are taking steps to ensure it will not happen again and viewers not frightened.” The same spokesman said the hoaxer “would have had to have had some knowledge of telecommunications” [2].
• The Reading Evening Post of the thirtieth of November 1977 named “the TV transmitter at Hannington, near Newbury” as the point of intrusion, and reported that a hoaxer, if caught, “faces a £200 fine under the Wireless and Telegraphy Act” [2].

Documentary record

The earliest dated account located is the Birmingham Sunday Mercury of the twenty-seventh of November 1977, “TV voice from ‘outer space’ starts a panic”, reproduced in a broadcasting archive; it supplies the six-minute duration, the fifty-plus emergency calls, the Winchester police and Post Office investigation, and the witness testimony of Mrs Janet Stewart of Basingstoke, who said: “We heard a man’s voice announce ‘This is the Voice of Asteron.’ My little girl, Donna, was frightened and started screaming. It went on right through the news, the advertisements and the start of the cartoons. I’m not easily frightened, but at the end I was shaking like a leaf” [1]. The Reading Evening Post of the thirtieth of November 1977 supplies the Hannington attribution, the timings, the penalty figure and the broadcaster’s refusal to disclose the method [2].

A full transcript of the message is published by Transdiffusion alongside an audio file, credited to David Barnett writing in The Independent of Wednesday the twenty-second of November 2017 [3]. A video capture of the interruption was uploaded to the Internet Archive on the fourth of June 2026, described as having been “deleted from YouTube”; the item carries no licence or rights statement and is therefore not reproduced here [8].

On the engineering side, the IBA’s own published transmitter tables list Hannington under “South of England (S) — Southern Television”, station number 126, channels 42/39/45/66, power figure 250, in service from the first of November 1971 [7]. Neither Television and Radio 1978 [7] nor Television and Radio 1979 [6] contains any narrative account of the intrusion: a full-text search of both for “hoax”, “intruder”, “unauthorised” and “Hannington” returns only routine engineering and index entries. The statutory framework under which any prosecution would have proceeded is section 14 of the Wireless Telegraphy Act 1949, which as enacted made a person liable on summary conviction to imprisonment not exceeding three months or a fine not exceeding one hundred pounds, or both [5]; maximum summary fines were altered by later legislation, and this archive does not adjudicate the discrepancy with the £200 figure reported in the press [2].

Two searches returned documented negatives. The National Archives Discovery catalogue API returns zero records for “Vrillon”, zero for “Ashtar Galactic”, zero for “Hannington transmitter” and zero for “Southern Television interruption” dated 1977–1980 [9]. A Hansard API search of both Houses for the first of November 1977 to the thirty-first of December 1979 returns no contributions, debates or written answers mentioning “Hannington” or “Ashtar” [10].

Open questions

1. Who transmitted the message. No source located names a perpetrator, and no arrest, caution or charge appears in the searched records [9][10].
2. The start time and duration. The fetched sources disagree: 5.08pm and about three minutes [2]; 5:12pm and five and a half minutes [4]; and “more than six minutes” as reported the following day [1].
3. The technical method. Southern Television explicitly declined to publish it [2] and the IBA’s own yearbooks do not record it [6][7]. Robertson wrote in 2001 that the message was “apparently transmitted over the entire Southern Television ITV region using the VHF transmitters”, and that “it is thought that the pirate transmitter was aimed at a receiver high up the VHF distribution chain, and a signal sent that overpowered the ‘official’ signal” — a theory, not an engineering finding [4]. His further statement that the intrusion coincided with the IBA’s monitoring facility being moved between locations is unverified; no corroborating source was located [4].
4. Whether any prosecution was brought under the Wireless Telegraphy Act 1949. No court record was located [5].
5. Whether the Ministry of Defence, Home Office or Post Office generated any file. Nothing is discoverable in the TNA catalogue [9]. The Ministry of Defence is documented as having destroyed UFO-related files on a five-year cycle until 1967, but that policy predates 1977 and does not explain the absence [11].
6. Whether an unedited, complete off-air recording of the full transmission survives anywhere.
7. The speaker’s name as broadcast. Contemporaneous accounts render it three ways: “Asteron” in the witness account [1], “Gillon” in the Reading Evening Post [2], and “Vrillon” in the transcript and the Transdiffusion analysis [3][4]. The Sunday Mercury also reported that the hoaxer “said his message was from the ‘Intergalactic Association’”, a phrase absent from the surviving transcript [1][3].
8. Who was reading the news. Transdiffusion identifies Andrew Gardner, and its article carries an explicit correction note dated the twenty-fourth of March 2022 reading “[Updated 24 March 2022 to correct ‘Ivor Mills’ to ‘Andrew Gardner’]” — an acknowledgement that the same source previously named Ivor Mills [4]. Other secondary accounts continue to name Ivor Mills. This archive does not adjudicate between them.

Status

This file is CONFIDENTIAL. It is admitted on the strength of two independent contemporaneous newspaper accounts [1][2], a surviving transcript [3], the IBA’s own published engineering record of the Hannington station [7], and two documented catalogue negatives establishing the absence of a government paper trail [9][10]. What is documented is the interference event and the official response to it; the content of the message is a claim made by an unidentified speaker and is recorded here as such. Readers should note that several widely repeated details could not be traced to any primary source that was actually fetched: that Hannington was an off-air relay rebroadcasting Rowridge and therefore vulnerable — the IBA’s 1978 table lists both as separately numbered stations with distinct channel groups, which neither confirms nor refutes the claim [7]; that the programme interrupted was followed by a specific named cartoon, where the witness account establishes only that the intrusion ran “right through the news, the advertisements and the start of the cartoons” [1]; and that the IBA issued a formal public statement the following day ruling out extraterrestrial origin, which appears in no IBA statement, annual report or yearbook entry located [6][7]. Those claims are excluded from the record above. Unlike the archive’s Rendlesham Forest file, this case rests entirely on press and broadcaster material; no official documentation exists to corroborate or contradict it. Updates pending the location of any surviving complete off-air recording, or of a contemporary IBA or Post Office engineering statement.

References

1. Birmingham Sunday Mercury (1977). “TV voice from ‘outer space’ starts a panic”, 27th November 1977. Reproduced by the Transdiffusion Broadcasting System.
2. Reading Evening Post (1977). “Engineers solve mystery TV interference”, 30th November 1977. Reproduced by the Transdiffusion Broadcasting System.
3. Barnett, David (2017). Full transcript of the “Vrillon” message, The Independent, 22nd November 2017; reproduced with audio by the Transdiffusion Broadcasting System.
4. Robertson, Jason (2001). “Hijack”. Transdiffusion Broadcasting System, 1st August 2001; updated 15th September 2004 and 24th March 2022.
5. Wireless Telegraphy Act 1949, section 14: Penalties and legal proceedings (as enacted). legislation.gov.uk / The National Archives.
6. Independent Broadcasting Authority. Television and Radio 1979 (IBA yearbook).
7. Independent Broadcasting Authority. Television and Radio 1978 (IBA yearbook), UHF transmitter tables, South of England (Southern Television).
8. Internet Archive item vrillon — “Southern Television Broadcast Interruption 1977 ‘Vrillon’”, uploaded 4th June 2026. No licence or rights statement.
9. The National Archives, Kew. Discovery catalogue search API — nil returns for “Vrillon”, “Ashtar Galactic”, “Hannington transmitter” and “Southern Television interruption”, 1977–1980.
10. UK Parliament. Hansard search API — nil returns for “Hannington” and “Ashtar”, both Houses, 1st November 1977 to 31st December 1979.
11. The National Archives, Kew. “Unidentified Flying Objects (UFOs)” — research guide (2013).