[1000mp] Key clicks

Thu, 2 Jan 2003 14:58:14 -0500

If this is a massive key click problem and a violation of Rule 97, how was the radio type excepted by the FCC ?
Maybe Yaesu needs to recall all the MP's like they do a car in or out of warranty
when a massive defect is found.... :-)

73,
Carl

----- Original Message -----
From: "Hare,Ed, W1RFI" <[email protected]>
To: <[email protected]>
Sent: Thursday, January 02, 2003 1:29 PM
Subject: RE: [1000mp] Key clicks

If it would be helpful, I could arrange for the ARRL Lab to test a modified radio.  I wonder if W8JI could send his here. :-)

73,
Ed Hare, W1RFI
ARRL Lab
225 Main St
Newington, CT 06111
Tel: 860-594-0318
Internet: [email protected]
Web: http://www.arrl.org/tis

> -----Original Message-----
> From: Pete Smith [mailto:[email protected]]
> Sent: Thursday, January 02, 2003 7:50 AM
> To: [email protected]
> Subject: Re: [1000mp] Key clicks
>
>
> At 07:00 AM 1/2/03 -0500, John L Merrill wrote:
> >This is from the expanded Mk5 Field ARRL review. The graphs,
> which I cannot
> >show you in plain text mode show cw sidebands down 60db 3khz
> either side of
> >center freq. The 756 pro did a little better at 70db down.
>
> Assuming the ARRL's test is sound, it seems to me that it is
> critical to
> know, under the same test conditions, how the various modifications
> perform.  I was amused to read, in both the MP and Mark 5
> expanded reports,
> the judgment that "this radio has excellent keying characteristics,"
> although the spectrum analyzer test was apparently not done.  No such
> judgment appears in the Field report, nor is there anything
> critical said.
>
> The test conditions in the Field report seem to be specified
> in sufficient
> detail to duplicate them for other radios in the MP series, stock and
> modified, and for other radios in the same class.  I'll deliver my
> unmodified Mark 5, if someone nearby (DC/Philadelphia area)
> wants to do the
> test, and will arrange to put the spectrum analyzer traces on the
> web.  Who'll do the same with other radios?
>
> 73, Pete N4ZR
> Happy Holidays
>
>
>
>
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