Paul,
I'm going to remove the panel and have the local avionics shop that
wired it install the ferrite beads where I mentioned. As soon as I
reinstall it I'll let you know. I guess I can live with it to but I'd
rather fix it now if possible.
Thank you all for your comments.
Regards,
Jeff
A258 - N128LJ
Waiting inspection 1st week in March
On Feb 12, 2006, at 7:15 PM, Paul McAllister wrote:
> <paul.mcallister@qia.net>
>
> Jeff,
>
> I have a Bob Archer antenna in the tail of my Europa. My trim control
> &
> Navaids go nuts when I transmit and I haven't ever solved the problem.
> My
> SWR is spot on, and the I never have a problem being heard, so the
> transmitter is working well.
>
> I am about to go down the ferrite bead route as well, I would be
> interested
> to know how you get on.
>
> Paul
>
> -----Original Message-----
> From: owner-europa-list-server@matronics.com
> [mailto:owner-europa-list-server@matronics.com]On Behalf Of JEFF
> ROBERTS
> Sent: Sunday, February 12, 2006 6:43 PM
> To: europa-list@matronics.com
> Subject: Europa-List: RF Problem
>
>
> HI All,
> I remember this was discussed before, but to know resolution as I
> recall. I Have been fighting an RF problem with my I-Com radio. The RF
> is obviously getting into the ground as even the trim LED's are
> effected. I have a Stratomaster engine monitor from MGL that seams to
> work great until I hit the push to talk button. It then goes black and
> the trim and Navaid LED's go crazy as well. I have a Bob Archer antenna
> in the tail and the radio sounds clear and transmits well. When tested
> with any other antenna the same thing occurs. The power to the antenna
> is about 7 watts and there was only about a half a watt or less coming
> back on the shield when tested. I made sure some time ago that the com
> RG cable to the antenna was isolated from any other cables. We have
> checked, and all grounds are good on the radio. I have been told to
> install some ferrite RF suppressors on the ground and output of the
> transmitter and to place them on the ground and power going into the
> engine monitor. Before I order these have others run into this and have
> you determined the cause and solution? Any Ideas are very welcome as I
> have been scratching my head for a week!
>
> Thanks in advance,
> Jeff Roberts
> A258 - N128LJ
> Waiting inspection 1st week in March.
>
>
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