Avionics-List Digest Archive

Mon 05/15/17


Total Messages Posted: 4



Today's Message Index:
----------------------
 
     1. 03:25 PM - Radio static when using 12 volt lighter power plug (Rebel56)
     2. 04:12 PM - Re: Radio static when using 12 volt lighter power plug (fherr)
     3. 04:25 PM - Re: Radio static when using 12 volt lighter power plug (swperk)
     4. 09:46 PM - Re: Radio static when using 12 volt lighter power plug (=?utf-8?Q?Georg_Isenb=C3=BCrger?=)
 
 
 


Message 1


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    Time: 03:25:13 PM PST US
    Subject: Radio static when using 12 volt lighter power plug
    From: "Rebel56" <Rebel56@rogers.com>
    Obviously I have not grounded something properly, but I am at a loss. I have two cigarette lighter plugs wired into my aircraft. They are to provide power to my iPad on longer flights. I have noticed that whenever I have the iPad plugged in I get some static when I receive a transmission. Otherwise the radio is quiet. Not sure what to make of this. Why is it only on receiving? I would think that if it was a ground issue, I would have the static all the time. If there is nothing plugged into the power plug, I have no issues at all. Any ideas as to what I should check first. Rebel56 Read this topic online here: http://forums.matronics.com/viewtopic.php?p=469331#469331


    Message 2


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    Time: 04:12:51 PM PST US
    Subject: Re: Radio static when using 12 volt lighter power plug
    From: fherr <fherr@cfl.rr.com>
    I suggest you check your battery first (age, charge level, capability to take a charge). You could be pushing it over the limit and may not hear any issue when transmitting. Easy checks that could solve the issue. Francis On May 15, 2017, at 6:24 PM, Rebel56 <Rebel56@rogers.com> wrote: Obviously I have not grounded something properly, but I am at a loss. I have two cigarette lighter plugs wired into my aircraft. They are to provide power to my iPad on longer flights. I have noticed that whenever I have the iPad plugged in I get some static when I receive a transmission. Otherwise the radio is quiet. Not sure what to make of this. Why is it only on receiving? I would think that if it was a ground issue, I would have the static all the time. If there is nothing plugged into the power plug, I have no issues at all. Any ideas as to what I should check first. Rebel56 Read this topic online here: http://forums.matronics.com/viewtopic.php?p=469331#469331


    Message 3


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    Time: 04:25:55 PM PST US
    Subject: Re: Radio static when using 12 volt lighter power plug
    From: "swperk" <swperk@earthlink.net>
    Can you manually open the squelch on your receiver? If so, is the noise present when there is no transmission being received? If so, I suspect that the adapter that powers your iPad is emitting lots of RF noise and it's time to find a better one. I had the same problem with my plane, but mine was so bad that it was noisy enough to break the squelch on its own. Read this topic online here: http://forums.matronics.com/viewtopic.php?p=469335#469335


    Message 4


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    Time: 09:46:02 PM PST US
    From: =?utf-8?Q?Georg_Isenb=C3=BCrger?= <gi@av8r.de>
    Subject: Re: Radio static when using 12 volt lighter power plug
    unfortunately there are a lot of those cheap USB power adapters for lighter plugs on the market. A lot of them are producing RF interference. I have had the same problems. You have to try a few until you find one that is not causing RF interference. Am 16.05.2017 um 00:24 schrieb Rebel56 <Rebel56@rogers.com>: Obviously I have not grounded something properly, but I am at a loss. I have two cigarette lighter plugs wired into my aircraft. They are to provide power to my iPad on longer flights. I have noticed that whenever I have the iPad plugged in I get some static when I receive a transmission. Otherwise the radio is quiet. Not sure what to make of this. Why is it only on receiving? I would think that if it was a ground issue, I would have the static all the time. If there is nothing plugged into the power plug, I have no issues at all. Any ideas as to what I should check first. Rebel56 Read this topic online here: http://forums.matronics.com/viewtopic.php?p=469331#469331




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