Topband: AM interference on 1840

[Chuck Dietz]

I would think that FT8 is a mode uniquely able to operate through such
interference.

Chuck W5PR

On Tue, May 21, 2019 at 6:52 AM Edward Sawyer <sawyered at earthlink.net>
wrote:

> I agree with the 2 messages.  But there is a 3rd.  The inability for the
> FT8 crowd to QSY around some interference.  Interference is a fact of
> life.  And we have QSY’s around it (even as it is being worked) for a
> century.
>
>
>
> Ed  N1UR
>
>
>
> From: GEORGE WALLNER [mailto:aa7jv at atlanticbb.net]
> Sent: Tuesday, May 21, 2019 7:50 AM
> To: Edward Sawyer; topband at contesting.com
> Subject: Re: Topband: AM interference on 1840
>
>
>
> There are two messages in this topic: One is the interference from this
> particular BC station. Not a crisis, not yet. Two is a warning: Newly
> installed solid-state AM broadcast amplifiers in poorly regulated regions,
> over time, will have the potential to fill the entire 160 meter band with
> harmonics. The second part is not trivial and should be a heads-up. The
> earlier we find ways to deal with it, the better.
>
>
>
> 73,
>
> George,
>
> AA7JV
>
>
>
> On Tue, 21 May 2019 05:32:24 -0400
>
> "Edward Sawyer" <sawyered at earthlink.net> wrote:
>
> While the harmonic interference is unacceptable and needs to be dealt with,
>
> isn't this only "a crisis" because of the simplistic FT8 solution of
>
> bunching everyone up on a small channel? It reminds me of the old CB days
>
> when something would happen on a certain channel but no one would move
>
> because they have always had the radio on channel 2 and that's where all
>
> their buddies are. Or the 75M pig farmers that refuse to move but complain
>
> and harass on QRM that was there before their daily time started.
>
>
>
> For those of us using CW on topband, this isn't a real problem except for a
>
> contest weekend. And honestly, it will just get moved around, like the
>
> Middle East jammer on 3807.
>
>
>
> 73
>
>
>
> Ed N1UR
>
>
>
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