Wind Speed/ Wind Direction Indicator Airflo/Belfort

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Just one of inkFrog's Creations Description: Calibrated Professional Wind Speed and Wind Direction Indicator ID815/GMQ-20 What is included in this sale: GMQ-20 indicator, rebuilt, tested and calibrated. 10 ft cable pigtail (not pictured) AC power cord Condition of equipment: This indicator was "pre-owned" by the US Air Force, and may have some scratches, dents, or other signs of use. The functional parts have been inspected and repaired or replaced to bring it up to "operational" status as defined in the Air Force technical orders for service of the GMQ-20. This indicator panel will work with the Belfort Aerovane as well as the Airflo/Belfort T755/GMQ-20. Please see my other listings for compatible transmitters for this indicator. Why buy from me? My passion for "weather watching", and working with instruments that monitor the atmosp, started in my youth and has been a part of my life ever since. I have 30 years experience in the electronics industry and have been refurbishing and repairing weather instrumentation since 1971. My service capabilities include maintenance , calibration, and repair with full documentation for the GMQ-20 system, as well as many other meteorological instruments. The successful bidder will receive my contact information for technical and installation support on this indicator. Theory of Operation read more