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GeoB
Joined: 16 Jun 2009
Posts: 207
Location: Fresno, CA
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 Posted: Thu Aug 16, 2012 11:57 am Post subject: Kolb-List Digest: 7 Msgs - 08/11/12 |
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| Quote: | I wondered if I could use the same SWR meter
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I am not an expert, but after looking at the way the SWR meter works I would
think it isn't sensitive to frequency, and that it should work. Worth a try
anyway.
GeoB
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GeoB
"Members of Congress should be compelled to wear uniforms like NASCAR drivers, so we could identify their corporate sponsors" |
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GeoB
Joined: 16 Jun 2009
Posts: 207
Location: Fresno, CA
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| Posted: Thu Aug 16, 2012 12:01 pm Post subject: Kolb-List Digest: 7 Msgs - 08/11/12 |
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| Quote: | A large "capacitor" about 21,000 mf always worked
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Large is always good. I don't know diddly about the 912 but on other similar
problems I have found a handful of small caps liberally sprinkled about the
system works well too.
A thing that just flashed on me... what if you disconnected the electronics
from the airplane electrical system in order to determine how much of the
problem comes from the power supply. Maybe you could temporarily power stuff
from a small battery, as a test. This might help you focus your attention if
the problem is in the power being supplied.
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GeoB
"Members of Congress should be compelled to wear uniforms like NASCAR drivers, so we could identify their corporate sponsors" |
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zeprep251(at)aol.com
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| Posted: Fri Aug 17, 2012 5:00 am Post subject: Kolb-List Digest: 7 Msgs - 08/11/12 |
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George,
Tried that first,found that the GPS was sending a signal through it's power cord that the radio antenna was picking up.Put chokes on the radio power cord and the radio antenna lead that helped a bunch.Chokes on the GPS power cord did not seem to help.Some noise can be stopped by covering the headphone adapters with my hand.The intercom has a double filtered power supply and it is quiet.The caps for the radio power and alternator output are next.
Thanx G.A. PS got the squelch from (icom a5) from 10 down to 4 so far,but weak signals still come in with engine noise from the Jabiru's electric's.
)--
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