This article was first published in Radio Communication in August 2001
Design and construction of the 5MHz beacons GB3RAL, GB3WES and GB3ORK
This article was first published in Radio Communication June/July 2005
PIC Code for driving the 5MHz beacons
GB3WES and 'ORK
Includes the code for reading NMEA data from various GPS
PIC Based generator for the 'OPERA' on-off switched data mode. Switch selectable symbol lengths for
OP05 to OP30.
PCBCN - For controlling a timed personal beacon using a PC. Specifiy the timing repeat interval, offset from the hour in minutes and seconds and the Tx duration in seconds. At the right time, the DTR and RTS lines of the requested COM port will repeatedly activate a beacon transmitter for the duration.
No Bells, No whistles, just a simple timer. Stand-alone executable and VB6 Source code.
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