WJ5O BEACON
The
WJ5O Beacon has been in operation since June 1992 on the frequency of 28.289MHz
The
beacon runs two Watts from a converted Radio Shack TRC 24C into a roof mounted
1/4 wave vertical antenna.
The
PTT circuit is keyed by a programmable PIC memory keyer set for beacon operation.
OK,
the TRC-24C finally "smoked" after 11 years of operation........ I replaced it
with another converted CB.
(Cobra 19) I re-mounted the power supply to gain room for a cooling
fan. In Alabama I am using an Antron 99 mounted on a second story roof eve....
Well, it looked like the Cobra gasped and quit after only a bit over 7 years of
24/7 operation. On 16 August 2010 I have replaced the beacon rig with a Midland
13-857B...same frequency...same 2 Watts....same antenna.....January
2014 I shifted up slightly to
avoid an electronic "birdie"....Now 28.289.3 MHz
The ID-8 keyer lasted 7 years ... Now using a PIC based Keyer..... See lower right picture
Connected to power supply Cooling fan added
New Transmit
Oscillator
Crystal PICBased
12F629 Keyer
10.240MHz with "trimmer"
Roof Mounted
Beacon antenna
1/4 Wave Ground Plane .......... Home brew ..... Now replaced with an Antron-99