REFLECTOR: Transponder and Radio issues

[Scott Derrick]

mode c is altitude information.  not transponder code information...

Scott

aminetech at bluefrog.com wrote:
> One thing I forgot to mention is that the airport manager at my
> destination had followed my flight on flightaware.com (I was on flight
> following) for the entire trip.  How is that possible if the mode C is
> not being received?
>  
> John
>
> --- nmflyer1 at aol.com wrote:
>
> From: nmflyer1 at aol.com
> To: reflector at tvbf.org
> Subject: Re: REFLECTOR: Transponder and Radio issues
> Date: Sat, 11 Apr 2009 17:11:15 -0400
>
> Don't forget to check the Ground side as well. If there is a common
> ground between these 2 pieces of equipment, that would do it.
>  
> Kurt
>
>
> -----Original Message-----
> From: Scott Derrick <scott at tnstaafl.net>
> To: Velocity Aircraft Owners and Builders list <reflector at tvbf.org>
> Sent: Sat, 11 Apr 2009 8:57 am
> Subject: Re: REFLECTOR: Transponder and Radio issues
>
> 1- connector problem on main bus. Check battery, buss and alternator
> connectors.
> 2- battery going south.  check battery voltage engine not running, with
> no load(12.6-13.0), with radio transmitting(12+)
> 3- alternator/regulator failure.  check battery voltage with engine
> running, no load(13.8-14.2), with radio transmitting(13.6-14.2)
> 4- noise on battery buss.  check sound of radio transmitting, engine not
> running, then engine running.
>
> I doubt your  transponder and  com  radio  are going south  at the same
> time, unless your system experienced a serious voltage spike, even then
> I'd be surprised.
>
> Scott
>
> aminetech at bluefrog.com <mailto:aminetech at bluefrog.com> wrote:
> > This past week on my return fllight from Corpus Christi to MS, I was
> > told by 3 ATCs that they weren't receiving my mode C.  One received it
> > briefly.  Also I was told that my radio was weak.  I receive
> > transmissions fine, but have noticed when transmitting that the volume
> > in my headset is very loud and distorted.  My plane is 10 years old
> > with 670 hours.  Is this something to get repaired, or is it tme for
> > new equipment?
> >  
> > John
> > ------------------------------------------------------------------------
> >
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