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Automated Beacon
Radioactive Networks designed and built a distributed automatic beacon system based arround the Kenwood
D700 radio for automated field strength surveys. The Radioactive Networks beacons operate synchronised to
GPS clocks allowing for a number of transmitters to operate at diverse locations
without interfering with each other. The unit was built for use by Lateral Linking
for site surveys for the event.
Every five minutes the embedded processor turns on the embedded radio. Once the radio has stabablised,
the station identifies with a few seconds of quick morse code. Following the ID, continuous tone is sent for
three seconds on high, medium and low power .
Specialised software polls a field strength meter every second, and logs
this data along with the GPS position allowing comprehensive surveys to be
performed automatically.
The entire system relies on the intelligence built into the Kenwood D-700
radios. These radios are fully controllable from the SERIAL port - to the
point of starting to transmit and also changing transmitter power. This
simplified the integration of the whole system.
This is the second major project that Radioactive Networks has used the
capabilities of the D700. Previously the D700 radios were used to track
scooters in a technology demonstration for a major multinational
organisation.
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Copyright © 1994-2005
Radioactive Networks ,
darryl@radio-active.net.au
This page was last updated 2005-11-15 17:15:12
This page was last compiled 2005-11-15 19:02:01
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