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ronr(at)advanceddesign.co
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 Posted: Fri Aug 18, 2006 6:09 am Post subject: comm radio toubleshooting |
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To everyone
I am looking for some help with digonosing a reception problem with my
comm radio.
This is what I have done so far. I have two radios a 530 and a SL 30. The SL
30 works fine. I first suspected the antenna, so I switched them. No change
the sl 30 still works fine no change to the 530. I then borrowed another 530
to try, still no change. On the ground it seems like the 530 is working
fine. I can hear the approach controllers not on my airport.
When I take off there transmission becomes faint. I suspect some sort of
interference with another piece of equipment.
Thanks
Ron Raby
Lancair ES
150 hrs
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wgill10(at)comcast.net
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| Posted: Fri Aug 18, 2006 7:34 am Post subject: comm radio toubleshooting |
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Ron,
It sounds like you have a bad (or none at all) antenna connection -- possibly at the radio rack. Do you have the typical 1 foot coax pigtail coming off the rack with a male BNC connector on the end the then connects to the coax to the antenna? If so, remove the 530 and do continuity checks on the short coax as well as the longer coax without any equipment (radio, antenna) connected to the coax.
Bill
[quote]-------------- Original message --------------
From: "Ron Raby" <ronr(at)advanceddesign.com>
| Quote: | --> AeroElectric-List message posted by: "Ron Raby"
To everyone
I am looking for some help with digonosing a reception problem with my
comm radio.
This is what I have done so far. I have two radios a 530 and a SL 30. The SL
30 works fine. I first suspected the antenna, so I switched them. No change
the sl 30 still works fine no change to the 530. I then borrowed another 530
to try, still no change. On the ground it seems like the 530 is working
fine. I can hear the approach controllers not on my airport.
When I take off there transmission becomes faint. I suspect some sort of
interference with another piece of equipment.
&g t; Tha m
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[quote][b]
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ronr(at)advanceddesign.co
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| Posted: Fri Aug 18, 2006 9:37 am Post subject: comm radio toubleshooting |
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Bill
I do not have a 1 foot pigtail. The case for the radio does have a feedthru bulkhead type BNC though. The radio connects to one side of this connector and the bnc from the antenna connects to the other side. That is a good place to look. I will check it out. Maybe the radio is not seating all the way into the bulkhead connector.
Thanks
Ron
[quote] ---
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