[UK-CONTEST] CC April CW TX Bandwidth

[Clive GM3POI]

Recent 1000mp mk5 from Yaesu have now got a key click mod put in by them.
    Which version of mod it is I'm not sure, but it took best part of 25 
years to get that to happen.
    I forgot to mention that on some rigs like the 1000D you can overdrive 
the ALC level producing worse keying. On the MK5 that level  I think is set 
within the menu and is often set too high. 73 Clive GM3POI
----- Original Message ----- 
From: "Ian White GM3SEK" <gm3sek at ifwtech.co.uk>
To: <uk-contest at contesting.com>
Sent: Saturday, April 11, 2009 7:42 PM
Subject: Re: [UK-CONTEST] CC April CW TX Bandwidth


> Clive Whelan wrote:
>
>>> There does seem to be some variability between individual rigs, but even
>>> the best of them are clicky and the worst are downright horrible.
>>
>>Well myself and GW3RIH must have been very lucky in getting a couple of
>>good 1000MPs then, because we lived 500 yards apart and both ran 400w,
>>me using an Alpha 78 and Wes using a TL922, and we could operate within
>>10kHz of each other on 14Mhz , without insurmountable problems
>>problems. You don't suppose that could have been because we didn't
>>overdrive the amplifiers do you? ;-)
>>
>
> No, the problem is definitely with the transceivers themselves.
>
> However, if you were using your amplifiers at the 400W level, the
> transceiver output power would have been only about 20-25W. That might
> have helped to reduce the levels of key clicks, though it wouldn't have
> been directly due to the reduction in power - more likely the effect it
> might have had on the ALC dynamics.
>
> Nobody has really got to the bottom of why it happens... least of all
> Yaesu.
>
>
> -- 
>
> 73 from Ian GM3SEK
> _______________________________________________
> UK-Contest mailing list
> UK-Contest at contesting.com
> http://lists.contesting.com/mailman/listinfo/uk-contest