Radio Orienteering in a Compact Area
Radio Orienteering in a Compact Area is a variation of
radio transmitters
.
Description
ROCA is a
radio transmitters put out very little power, typically 10 to 200 mW, and can be received over only very short distances. Transmitters may identify themselves in Morse code or with voice recordings, and only transmit for ten seconds during every minute of the competition. The transmitters are physically small, and marked with a control card that is no larger than a typical postcard
with a unique number identification. Decoy control cards may be placed in the competition area, as well, to force competitors to locate the actual transmitting devices. Because of the low power and short distances involved, most ROCA competitors walk the
entire course, and focus their attention on the radio direction finding tasks rather than navigation
.
ROCA is not as popular as
People's Republic of China
.
See also
References
- Crystal, Bonnie KQ6XA (1998). "Radio-Orienteering in a Compact Area: The New Walking Foxhunt". Retrieved Dec. 2, 2005.
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