First, get some kind of portable receiver out and put it on 1820 and
verify you are hearing the harmonic. I doubt it is being generated in
your gear. You will probably hear it because you are only 2 miles
from the tx site and if the station is running 5 or more KW they're
likely suppressing the h
On 12/5/2023 1:19 PM, Steve Muenich wrote:
I'm looking for a recommendation for an AM Broadcast filter for my receive
only input.
Unfortunately I live 2 miles form 910 khz AM so their 2nd harmonic wipes
out 1820.
It's important to figure out where that harmonic is being generated. If
it's in t
Hi Steve,
If the problem is the second harmonic then a BCB filter at your end will
not help because the second harmonic isn't in the Broadcast Band.
However, I suspect the problem may be blocking of your rx input by the
fundamental frequency which the filter will address. You don't say what
t
, 2023 4:19 PM
To: topband@contesting.com
Subject: Topband: AM Broadcast Filter recommendation
Hi Guys,
I'm looking for a recommendation for an AM Broadcast filter for my receive
only input.
Unfortunately I live 2 miles form 910 khz AM so their 2nd harmonic wipes
out 1820. For the most part I
Steve,
Probably not in the best part of the world to get a good price but I use
the AM filter on this page:
http://www.herostechnology.co.uk/pages/RF_Filters.html
I have 2.2kw (QRP compared to some) about 500 metre away on 1548khz to
block out.
Regards
Paul MM0ZBH
On Tue, 5 Dec 2023 at 21
Hi Guys,
I'm looking for a recommendation for an AM Broadcast filter for my receive
only input.
Unfortunately I live 2 miles form 910 khz AM so their 2nd harmonic wipes
out 1820. For the most part I work around it and stay up higher in the band.
There are other stations in the area of course that
