1844 would be a great solution for FT-8. Now we have to convince the WSJTX people to put 1844 in their dropdown menu we they do the next release. They have 1838 for JT-65 which few ever use today and that could be another option for FT-8.
On Tue, May 21, 2019 at 10:50 AM cqtestk4xs--- via Topband < [email protected]> wrote: > I don't have a dog in the fight but why not move to 1843 or 1844. Is 1840 > sacrosanct? > Bill KH7XS > > -----Original Message----- > From: Jorge Diez - CX6VM <[email protected]> > To: Edward Sawyer <[email protected]> > Cc: GEORGE WALLNER <[email protected]>; TopBand List < > [email protected]> > Sent: Tue, May 21, 2019 12:51 pm > Subject: Re: Topband: AM interference on 1840 > > Ed > > FT8 can move, but 1840 still is useless to do CW, so is not a FT8 problem > > George said the two big problems, hope this not increase with harmonics > > 73, > Jorge > CX6VM/CW5W > > El mar., 21 may. 2019 a las 8:52, Edward Sawyer (<[email protected]>) > escribió: > > > 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:[email protected]] > > Sent: Tuesday, May 21, 2019 7:50 AM > > To: Edward Sawyer; [email protected] > > 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" <[email protected]> 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 > > > > > > > > _________________ > > > > Searchable Archives: http://www.contesting.com/_topband - Topband > > Reflector > > > > > > > > _________________ > > Searchable Archives: http://www.contesting.com/_topband - Topband > > Reflector > > > > > -- > 73, > Jorge > CX6VM/CW5W > _________________ > Searchable Archives: http://www.contesting.com/_topband - Topband > Reflector > _________________ > Searchable Archives: http://www.contesting.com/_topband - Topband > Reflector > _________________ Searchable Archives: http://www.contesting.com/_topband - Topband Reflector
