Alpha Antenna SWR Indicator

DESCRIPTION: SWR Indicator is a simple device for Magnetic Loop MagLoop antennas that makes tuning easy when using the ICOM IC-905, IC-705, or other QRP transceivers.
WARNING!  Do not exceed 10 Watts Continuous Carrier (FM, Digital, AM, etc.) while tuning or the indicator lamp will fail. Can be used on higher power loops only if the SWR Indicator is removed after tuning if you do not exceed 10 Watts Continuous Carrier while tuning.

INSTRUCTIONS

1. Install by attaching the Copper Clip to either of the PL259s at the loop’s tuning box.
2. Set your rig to the desired frequency in SSB mode
3. Tune loop till the loudest noise floor is heard from your rig’s speaker.
4. Set rig to FM mode at 5 watts.
5. Transmit and tune for brightest illumination on the SWR Indicator’s LED.

Documents / Resources

Alpha Antenna SWR Indicator [pdf] User Manual SWR Indicator, SWR, Indicator

References

• User Manual