[TenTec] omni v short dits

Duane A Calvin ac5aa at juno.com
Sat Jul 24 20:22:36 EDT 2004


"The Orion is quite unstable at speeds over about 42 wpm . . . . 

Ralph Nader will write a book about it soon!  Tommy, is that with the
internal keyer, external, or either one?

        73,  Duane



On Sat, 24 Jul 2004 19:44:16 -0400 "Tommy" <aldermant at alltel.net> writes:
> I've been looking for you on 40m!
> 
> Yes. I recently bought a used Omni 6 Plus and found out that it had 
> a
> 'timing problem'. When sending the letter 'U', the first dot would 
> be
> shortened from 20ms to about 12ms and the second dot was almost
> non-existant, about 8ms wide with the keying input second dots width 
> at
> 20ms. My Omni 6 Plus will be shipped back to TT this week for work.
> 
> The Orion is quite unstable at speeds over about 42 wpm. Over 42 
> wpm, the
> width of the dots vary and the initial delay varies and the spacing 
> between
> elements vary several milliseconds each time the letter is sent. 
> This occurs
> if you use a reed relay for keying or if you use an open collector 
> for
> keying. Below about 40 wpm, both the Omni 6 Plus and the Orion 
> follows the
> keying input quite well.
> 
> My old (1992) Omni 6 and my Corsair 2 will handle anything you throw 
> at it,
> understanding that the Omni 6 will not send CW much over about 68 
> wpm. I've
> watched on my scope,  my Corsair 2 sending the 'Quick Brown Fox....' 
> message
> at 160 wpm, following the keying input waveform. And rig wise,  
> it's
> downhill from there!!
> 
> Tom - W4BQF
> 
> ----- Original Message -----
> From: "Steve N4LQ" <n4lq at iglou.com>
> To: <tentec at contesting.com>
> Sent: Saturday, July 24, 2004 5:30 PM
> Subject: [TenTec] omni v short dits
> 
> 
> A friend of mine has an Omni V and he is trying to use a bug however 
> the
> dits are being chopped so badly that he can't use it. I've never had 
> a
> TenTec rig that chopped dits like this one. I've hear him on the air 
> and
> even with his dit weight screwed to almost touching, he sounds 
> horrible.
> It's like something is wrong in the keying circuit. Has anyone 
> experienced
> this?
> 
> Steve N4LQ
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> 


--------------------------------------
Duane Calvin, AC5AA
Austin, Texas

http://home.austin.rr.com/ac5aa


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