[Elecraft] question for psk users

[Gpm]

Agree w/"Oh brother". Guess the panadapter should go also (for those other modes)...


Gpm

(sent from iPod Touch - please excuse typos)

On May 2, 2012, at 5:23, "John E. Reiser" <reiserj at optonline.net> wrote:

> Oh brother!
> 
> 
> ----- Original Message ----- 
> From: "briana" <alsopb at nc.rr.com>
> To: <elecraft at mailman.qth.net>
> Sent: Wednesday, May 02, 2012 7:45 AM
> Subject: Re: [Elecraft] question for psk users
> 
> 
>> Guys,
>> 
>> This rational is bogus.  The PSK users have to get used to decoding one
>> signal at a time with narrow filters if that's what is necessary. To
>> expect to have 2 or 3 KHz free of strong signals is crazy.
>> 
>> Dealing with this reality puts the burden on the receiving end.  No way
>> can you control what the rest of the wold does.  This isn't the Magic
>> Kingdom.
>> 
>> Given that PSK is a narrow bandwidth mode, why not use that to your
>> advantage?
>> 
>> Other modes deal with strong adjacent signals, why not PSK?
>> 
>> You bought a K3 for its high dynamic range and high adjacent signal
>> handling capability.  Why not use it for this purpose?
>> 
>> Of course the argument ignores all the laws of physics and
>> propagation.    I suggest you run some VOACAP prediction calculations
>> with 25 watts and look at what you can't work with 25-75 watts.   You
>> may not be interested in working the other side of the world, but others
>> are.
>> 
>> PSK isn't magic.
>> 
>> 73 de Brian/K3KO
>> 
>> 
>> 
>> 
>> 
>> On 5/1/2012 11:46 PM, Jon Perelstein wrote:
>>> Eric KG6MZS asked why wouldn't you run more than 70w on PSK
>>> 
>>> Because with the close spacing of signals in the various PSK  sub-bands, 
>>> a
>>> signal of more than about 50watts will completely annihilate all the 
>>> other
>>> PSK signals and make that sub-band unusable for everyone else.  The rule 
>>> of
>>> thumb for being polite on PSK is to operate 25-30w max.  I won't claim 
>>> that
>>> there aren't some who are operating more (you Cuban stations know who you
>>> are), but many/most of us will avoid QSOs with people who are obviously
>>> running 50w+
>>> 
>>> 73s
>>> Jon, WB2RYV
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>> 
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> 
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