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I am considering upgrading from my EDM 830 to the EDM 900 BUT I wonder about the fuel pressure sensor data. My Arrow 200, Lyc IO-360, has a diaphragm type fuel pump. The pressure pulses from the pump cause my current Piper fuel pressure gauge to flutter, a common occurrence I understand. If I...

Query...for in-flight ops is it better to have the com antenna mounted on the bottom or top of the fuselage? Seems like the bottom would have more "view" of the ground-based sites. Conversely, for ground ops (i.e. clearance delivery, ground, local control) seems like an antenna on the top of...

I recently upgraded to the JPI EDM-830 so the Fuel Scan 450 I had is no longer needed. Since the transducer is installation dependent I will sell the basic instrument only for $100. Typical price for the instrument and transducer is about $500 with the transducer alone selling for about $400...

Aircraft Will Need Avionics Receivers Capable Of Processing L5 Signals From GPS III Satellites Aviation Today (6/11) reports that “aircraft will need to have avionics receivers able to process the legacy L1 signal and the most recent L5 signal to take advantage of the precision location advances...

I messed up! I ordered 4 Tempest URHM 38S Fine Wire spark plugs from Aircraft Spruce and installed them in my '69 Arrow's IO-360 C1C engine BUT when I started to attach the plug leads I discovered (to my dismay) that I had ordered the wrong plugs and should have ordered Tempest UREM 38S plugs...

Today The FCC approved a plan by Ligado to establish terrestrial transmitters for 5G service in the frequency spectrum adjacent to GPS. This proposed system has been opposed by DoD and many other government agencies as well as private and commercial users of precise positioning data from GPS...

Note the following Aviation International News article. I had this problem in my Arrow when I had my SPOT unit clipped to the passenger side sun visor. I finally noticed the GPS loss coincided with SPOT transmissions. I re-located the SPOT to the aft end of the right side middle window (away...