Download audio sample
G02 was operated by Polish State Security of the Ministry of
Interior (SB). This was the original Swedish Rhapsody,
which started in late 1950s and was replaced by G02a around 1988.
Swedish Rhapsody is one of the most frequently mentioned
examples of a number station in media.
The three messages could have been for up to three different
recipients. The headers contain encrypted information about the
decryption of the messages. If one of the messages was longer than
100 groups, then it would extend into the other ones.
Contrary to a popular belief, this station never used a child's
voice. The mistake comes from the fact that many people have only
heard a mistuned recording of the station from The Conet
Project. The audio sample featured on this page is correctly
tuned. The voice used standard German military radio pronuncations
of 2, 5 and 9, being rendered as "zwo", "fünnef" and "neungen",
respectively. Two other voices were also noted, one of them being
the same G06 and G08.
G02 was noted for its stability, for no mistakes and usage of
the same schedule over the years. Once in June 1990, it was noted
with an oddity. The first five minutes of each message consisted of
groups "46464" and "64646", alternating. "46464646" is a numeric
equivalent of the RTTY idler string "RYRYRYRY".
According to a declassified Polish State Security document, the
piece of music used for the intro is "Luxembourg Polka" by Emile
Reissdorf, the portion of which is used on G02 is identical to
"Swedish Rhapsody No. 1" by Hugo Alfvén.
G02 schedule from late 1980s:
[Recording courtesy of N&O]
[June 1990 mistake and schedule were derived from Simon Mason's
1991 book Secret Signals]
[Based on declassified documents of the Polish Ministry of
Interior, available from Numbers &
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