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AHPlowman(at)varicore.com
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 Posted: Thu Jun 12, 2008 9:03 am Post subject: Radio hiss |
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I have installed a pc in my Glasair that I run True Flight software on. I love the XM weather and the approach plates as well as moving map but on the higher com frequencies the pc screen output causes enough electrical noise to make the radios hiss. I does not seem to reduce the receiver range much but just causes the radio to break the squelch limit. (like pulling the test button) My radios both do the same and one is an SL-30 and the other a GX-60 by Apollo (UPS).
Anybody got an idea how to fix this? I have tried grounding and shielding all the PC lines, etc to no avail.
Best Regards,
Arnold Plowman, VP Sales
Varicore Technologies, Inc.
800-978-8007
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bobf(at)feldtman.com
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| Posted: Thu Jun 12, 2008 9:09 am Post subject: Radio hiss |
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try some ferrite beads on the PC leads/mouse etc
bobf
On 6/12/08, Arnold Plowman <AHPlowman(at)varicore.com (AHPlowman(at)varicore.com)> wrote: [quote] I have installed a pc in my Glasair that I run True Flight software on. I love the XM weather and the approach plates as well as moving map but on the higher com frequencies the pc screen output causes enough electrical noise to make the radios hiss. I does not seem to reduce the receiver range much but just causes the radio to break the squelch limit. (like pulling the test button) My radios both do the same and one is an SL-30 and the other a GX-60 by Apollo (UPS).
Anybody got an idea how to fix this? I have tried grounding and shielding all the PC lines, etc to no avail.
Best Regards,
Arnold Plowman, VP Sales
Varicore Technologies, Inc.
800-978-8007
[b]
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s_korney(at)hotmail.com
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| Posted: Thu Jun 12, 2008 9:25 am Post subject: Radio hiss |
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Arnold
The filtration on the SL-30 stinks... It does the same thing on my xm radio, alternator, and all the other electrial system... I never heard any of the noise with my KX155 King radios...
Best... Steve
| Quote: | Subject: Radio hiss
Date: Thu, 12 Jun 2008 10:59:20 -0600
From: AHPlowman(at)varicore.com
To: glasair-list(at)matronics.com
Message .ExternalClass {font-size:10pt;margin-left:25px;color:#000000;font-family:Arial, Helvetica;} .ExternalClass P.EC_msoNormal {font-size:10pt;margin-left:0px;color:#ffffcc;font-family:Helvetica, "Times New Roman";} .ExternalClass LI.EC_msoNormal {font-size:10pt;margin-left:0px;color:#ffffcc;font-family:Helvetica, "Times New Roman";} I have installed a pc in my Glasair that I run True Flight software on. I love the XM weather and the approach plates as well as moving map but on the higher com frequencies the pc screen output causes enough electrical noise to make the radios hiss. I does not seem to reduce the receiver range much but just causes the radio to break the squelch limit. (like pulling the test button) My radios both do the same and one is an SL-30 and the other a GX-60 by Apollo (UPS).
Anybody got an idea how to fix this? I have tried grounding and shielding all the PC lines, etc to no avail.
Best Regards,
Arnold Plowman, VP Sales
Varicore Technologies, Inc.
800-978-8007
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| | - The Matronics Glasair-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
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Craymondw(at)aol.com
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| Posted: Thu Jun 12, 2008 5:32 pm Post subject: Radio hiss |
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I have a dedicated wire that runs from the master solenoid to a radio bus bar and my radios are very quiet.
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[quote][b]
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