[Elecraft] K3 New fw loader

Fri Apr 17 10:26:39 EDT 2009

Mine is s/n 192, received it as a kit in January 2008. No problem here.

73
Glenn ON4WIX
----- Original Message ----- 
From: "Joe Subich, W4TV" <lists at subich.com>
To: <don at w3fpr.com>; <elecraft at mailman.qth.net>
Sent: Friday, April 17, 2009 4:24 PM
Subject: Re: [Elecraft] K3 New fw loader

>
>
> Don,
>
>> The date of manufacture (or shipment) is a much better indicator
>> of vintage for K3s during that backlog period.
>>
>> Mine is of the December 2007 vintage and it has the same behavior
>> as Brian's which is June '08.  It would appear that many earlier
>> K3s do not
>
> My first unit is between yours an Brian's ... I can't see the
> failure as date of manufacture related.  S/N 622 was a kit -
> staged in the factory in early April 2008 and received almost
> exactly one year ago.
>
> However, out of curiosity, I connected the second K3 (S/N 1450 -
> kit, manufactured in August 2008) and updated its firmware.  The
> second unit exhibits the "failure." Both units have identical
> options and all settings are as nearly identical as I can make
> them from memory.  The "failure" will be a real PITA for RTTY
> operator unless one is using AFSK with a non-standard mark
> frequency!
>
> 73,
>
>   ... Joe, W4TV
>
>
>
>
>
>> -----Original Message-----
>> From: elecraft-bounces at mailman.qth.net
>> [mailto:elecraft-bounces at mailman.qth.net] On Behalf Of Don Wilhelm
>> Sent: Friday, April 17, 2009 9:07 AM
>> To: elecraft at mailman.qth.net
>> Subject: Re: [Elecraft] K3 New fw loader
>>
>>
>> Joe and all,
>>
>> It seems much of Elecraft has gone to Visalia for the
>> weekend, so we may
>> not get any further ideas until they return.
>>
>> The serial number is not the best indicator of the K3 vintage until
>> after the extreme backlog was cleared last year.  If you
>> recall, factory
>> assembled K3s spent longer at Aptos than the kits, and serial numbers
>> were pre-assigned at the time the order was pulled.  The date of
>> manufacture (or shipment) is a much better indicator of
>> vintage for K3s
>> during that backlog period.
>>
>> Mine is of the December 2007 vintage and it has the same behavior as
>> Brian's which is June '08.  It would appear that many earlier
>> K3s do not
>> display the same behavior.
>>
>> *If* the Data mode is stored in EEPROM, then I do have a good
>> guess for
>> the source, but we will have to wait on Wayne and Lyle for that
>> information - patience is good, the problem has been
>> identified and it
>> will not be ignored.
>>
>> Many thanks to Brian for spotting this.  My data mode stays in DATA A
>> normally so I for one would not have noticed in normal operation.
>>
>> 73,
>> Don W3FPR
>>
>> Joe Subich, W4TV wrote:
>> >> Perhaps if we knew which S/N's are involved that might also
>> >> help unravel what's going on.
>> >>
>> >> Mine is #1129.  Another reported his #980 had it.   W3FPR is
>> >> seeing it also.  I believe he has an even older K3.
>> >>
>> >
>> > I don't understand it either ... I've been TRYING to duplicate
>> > the symptoms and can't make the rig come up in anything except
>> > FSK D when that's where it was set.  S/N is 622 but I've heard
>> > of "failures" with both higher and lower s/n.
>> >
>> > 73,
>> >
>> >    ... Joe, W4TV
>> >
>> >
>> >
>> >
>> >> -----Original Message-----
>> >> From: Brian Alsop [mailto:alsopb at nc.rr.com]
>> >> Sent: Friday, April 17, 2009 6:36 AM
>> >> To: lists at subich.com
>> >> Subject: Re: [Elecraft] K3 New fw loader
>> >>
>> >>
>> >> Joe,
>> >>
>> >> There has to be a common failure mode for those of us
>> >> experiencing this.
>> >>
>> >> Rumors have it that some EEPROMs are slow to write for series
>> >> of boards.
>> >>
>> >> Perhaps if we knew which S/N's are involved that might also
>> >> help unravel
>> >> what's going on.
>> >>
>> >> Mine is #1129.  Another reported his #980 had it.   W3FPR is
>> >> seeing it
>> >> also.  I believe he has an even older K3.
>> >>
>> >> The odd thing is that whatever triggered this,  can't be
>> >> cured by going
>> >> back to older FW versions and older FW loaders.
>> >> It's like an EEPROM memory bit is bad or not being written on
>> >> shutdown..
>> >>   Behaves like what you get when turning off power supply
>> rather than
>> >> the K3 power switch.
>> >>
>> >> A mystery indeed.
>> >>
>> >> 73 de Brian/K3KO
>> >>
>> >> Joe Subich, W4TV wrote:
>> >>
>> >>
>> >>> Strange ... I'm also running 3.10 loaded with the new utility. I
>> >>> loaded 3.10, DSP1 2.15, DSP2, 2.15, FP 1.00 and the data tables
>> >>> twice.  Power was cycled power between the two uploads.
>> >>>
>> >>> I have not checked the second K3 ... it's offline at the moment
>> >>> waiting for me to make a couple of the updates.
>> >>>
>> >>> 73,
>> >>>
>> >>>   ... Joe, W4TV
>> >>>
>> >>>
>> >>>
>> >
>> >
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