[amsat-bb] Re: VHF UHF Rig
tdillard at gmail.com
Fri Jul 25 06:55:13 PDT 2008
Pardon my ignorance, but what the heck is a "birdy problem"?
Terry Dillard, KI4YZI
"Veritas Vos Liberabit"
On 7/24/08, Sebastian <w4as at bellsouth.net> wrote:
> Oh boy, and here I just bought a used dual band mobile on the cheap
> (no transmit) to take care of the birdy problem.
> Do you have any idea why the birdy would show up on a different
> radio? Could it be a matter of a lack of shielding? It just doesn't
> make any sense to me why a different rig would get that interference
> on receive, and even when using a different antenna.
> Others have suggested using a preamp on 440, and turning off the
> 2000's internal preamp and lowering the rf gain, therefore using the
> preamp to get rid of most of the birdy.
> But I guess I'll find out for sure when my other rig gets here.
> 73 de W4AS
> On Jul 24, 2008, at 7:00 PM, Bruce Robertson wrote:
> > On Wed, Jul 23, 2008 at 11:31 PM, Mike Miller <mmiller at nctc.com>
> > wrote:
> >> Thinking about selling 847.....Which rig is best for
> >> satellite..work.?
> >> ICOM 910 H
> >> Kenwood 2000
> >> opinions ....your 2 cents
> > I own a TS-2000. The birdie problem on SO-50 and AO-27 is quite real,
> > and there is no fix I know of. I find that the birdie is so bad that
> > even if I use a different receiver on UHF, I pick up the birdie on it
> > as well! So it is a worse radio regarding satellite work than the ICOM
> > if you care to work these birds. However, if you consider the fact
> > that a fine HF radio is thrown in at no extra cost, that there is
> > continuously adjustable filtering also at no cost, you might prefer
> > that trade-off. I'm reasonably pleased with mine.
> > However, if money were no issue, I would get the ICOM for satellite
> > work and a different HF radio with even better characteristics.
> > HTH,
> > 73, Bruce
> > VE9QRP
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