KR> Re: Transponder Installation

2010-09-15 Thread Glenn Martin
close...@earthlink.net wrote: > how close to the com antenna can you put the transponder antenna ? an > one know. > thanks Rhonda > > General practice is to seperate antennas by three wavelengths or more.. In this case, 36 inches will work (>3 wavelengths of the transponder signal).

KR> Re: Transponder Installation

2010-09-15 Thread close...@earthlink.net
how close to the com antenna can you put the transponder antenna ? an one know. thanks Rhonda > [Original Message] > From: Larry <lah...@yahoo.com> > To: KRnet <kr...@mylist.net> > Date: 9/15/2010 5:45:22 PM > Subject: Re: KR> Re: Transponder Installatio

KR> Re: Transponder Installation

2010-09-15 Thread Larry
> > I have mentioned this before but here ya go; I know a fellow who built a composite airplane got it flying and would start to feel sick during longer flights. With some digging and thinking he realized the transponder antenna was mounted under his seat and that is what made him feel sick. I

KR> Re: Transponder Installation

2010-09-14 Thread Mark Langford
Sid Wood wrote: > For antenna location, don't neglect the shielding effects of carbon fiber > on > radio transmission and reception. Fiberglass and lumber are > non-conductors > and not issues for that. Keeping the belly clean is a good thing. Aside > from cosmetics, the oil slick will have

KR> Re: Transponder Installation

2010-09-14 Thread smwood
Mark, Most transponders have a heat sink built into the rear of the case where the high power transmitter is located. The mounting bracket will have a small tube for attaching a small air duct to provide some cooling for the heat sink. The transmitter may be happier with a little cooling air