{ "numMessagesInTopic": 5, "nextInTime": 708, "senderId": "JgE0L51oP4acK815S95i-X6aplTkPnKm-J9Uek_axyZQ_NYpX7YPh6YgofMbop4Ed6jIYiyTqNIMYO2pg8mPO6hDxmpawiE", "systemMessage": false, "subject": "Re: Aircraft band is overloaded by local FM stations", "from": ""Alex Kraus" <wmbio@...>", "authorName": "Alex Kraus", "msgSnippet": "Jim, get a $5.00 inline FM trap at radio shack, works wonders. I have the same problem on VHF, cannot hear a darn thing without the trap in line.", "msgId": 707, "profile": "SOLDIER_1stClass", "topicId": 703, "spamInfo": { "reason": "12", "isSpam": false }, "replyTo": "LIST", "userId": 159902993, "messageBody": "
--- In Pro-97@yahoogroups.com, JJL-KB2SFO <jjl5217@y...> wrote:
\n> Is the "mode" set to "AM"?
\n>
\n> --- jlung2 <jim_maria@a...> wrote:
\n>
\n> > My Pro-97 aircraft band performance is useless when
\n> > using an external
\n> > antenna due to overload by local FM stations (and I
\n> > am nowhere close to
\n> > an FM broadcast xmtr antenna). In fact, it performs
\n> > better on the stub
\n> > antenna, but even then the performance is no match
\n> > for my Pro-30.
\n> >
\n> > My Pro-30, when connected to the same external
\n> > antenna, receives
\n> > beautiful, crystal clear communications from the
\n> > aircraft, Tampa tower,
\n> > ground control, approach/departure frequencies, Jax
\n> > ARTCC, etc. (I live
\n> > about 12 miles from Tampa International Airport.)
\n> > The Pro-97 receives
\n> > nothing.
\n> >
\n> > The Pro-97 has far superior sensitivity,
\n> > selectivity, and rejection
\n> > specs than the Pro-30, but the Pro-30 outperforms it
\n> > hands down. I'm
\n> > also disappointed in the audio quality when
\n> > receiving reasonably strong
\n> > signals - there is much more hiss/hash in the
\n> > background.
\n> >
\n> > I've tried all the attenuation suggestions,
\n> > individual and global, but
\n> > that only reduces the overall sensitivity without
\n> > improving performance.
\n> >
\n> > Would appreciate hearing from anyone with same or
\n> > similar problems.
\n> > Anybody want to buy a brand new Pro-97?
\n> >
\n> > Jim
\n> >
\n> >
\n> >
\n> >
\n> >
\n> >
\n> >
\n>
\n>
\n>
\n> \t\t
\n> ____________________________________________________
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