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Thread: Radio Bleedover

  1. #1
    Senior Member cubtractor's Avatar
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    Default Radio Bleedover

    Looking for some advice. I am using an Icom A5 transceiver mounted on the panel. It has the ni-cad batter installed as well as connected to the ships power. It is connected to a Comant CI-122 antenna via RG400 cable. It also runs through a Sigtronics SPO-22N intercom. When I am in the vicinity of broadcast radio antennas or at a lower altitude over a city with broadcast antennas, I get a constant, fairly loud garbeled bleedover from their broadcast. Adjusting squelch doesn't help much. I can still transmit and receive ATC ok as it blanks out the bleedover. I'm curious if it's just a handheld transceiver issue? I've been looking at installing one of the smaller radios, ie;Becker, Microair, MGL, etc.

    Anyone have any ideas?
    Last edited by cubtractor; 08-18-2013 at 10:10 AM.
    Mike Bentley
    Model IV-1200
    Jabiru 2200A #438
    Rotec Aerosport LCH Heads
    Ellison EFS-2 Throttle Body
    Prince Prop (64x34)
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  2. #2
    Senior Member Av8r_Sed's Avatar
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    Default Re: Radio Bleedover

    More than likely it's not the radio or your antenna. It's probably on the headphone side of things. Any intercom, or are you plugged into an Icom headset adapter?
    -- Paul S
    Model III SN910
    582 IVO Med

  3. #3
    Senior Member cubtractor's Avatar
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    Default Re: Radio Bleedover

    Yes. It has the Icom headset adapter then through a Sigtronics SPO-22N intercom.
    Mike Bentley
    Model IV-1200
    Jabiru 2200A #438
    Rotec Aerosport LCH Heads
    Ellison EFS-2 Throttle Body
    Prince Prop (64x34)
    My SPOT Page

  4. #4
    Senior Member Av8r_Sed's Avatar
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    Default Re: Radio Bleedover

    Can you temporarily just fly with the headset plugged into the adapter to bypass the intercom and see if you get the same issue. I'm guessing something may be amiss with your intercom wiring. Grounds and sheilding issues usually top the list
    -- Paul S
    Model III SN910
    582 IVO Med

  5. #5
    Senior Member cubtractor's Avatar
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    Default

    I'm going to try that week after next. I have a trip this week and will be gone awhile. My flying for a living is interfering with my Kitfox flying. Lol

    Seems to be coming through from the headsets. It's not near as bad when I disconnect the co pilots headset. I wonder if an external ground to the intercom box would help.
    Mike Bentley
    Model IV-1200
    Jabiru 2200A #438
    Rotec Aerosport LCH Heads
    Ellison EFS-2 Throttle Body
    Prince Prop (64x34)
    My SPOT Page

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