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APPENDIX A – OPTIONAL BOOSTER CABLE
The Alpha loop Booster Cable enables your 10-40 meter Magnetic Loop Antenna to
transmit and receive on 40, 60 & 80 meters at 20 watts PEP SSB. The Alpha loop
Booster Cable also increases the efficiency for 80 through 40 meters.
The Booster Cable consists of a specially tuned section of Times Microwave LMR-400
coax plus a double-female SO239/UHF connector that connects to either PL259 on your
10-40 meter outer loop, resulting in a 120% increase in a double loop configuration. The
Booster Cable is easily installed or uninstalled with Velcro straps.
Step 1 – Setup your 10-40 Meter Alpha Loop per that products manual
Step 2 – Disconnect one PL259 from the outer loop on the 10-40 Meter Alpha Loop
Step 3 – Screw the disconnected PL259 into one side of the SO239 barrel connector
included with the Booster Cable, so that the outer loop and Booster Cable are in Series
Step 4 – Double the newly formed loop around twice so the Booster Cable’s unused
PL259 comes in contact with open the SO239 on the grey Alpha Match box
Step 5 – Screw the PL259 on the Booster Cable into the SO239 no the grey Alpha Match
box
Step 6 – Affix the loops together with the included Velcro straps at the 1, 4, 7, & 11
o’clock positions
Step 7 – Attach your coax from your radio to the SO239
Step 8 – Return to the 10-40 Meter Alpha Loop manual for tuning instructions
A.1 – Image
