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[aprssig] FREQ Object Formats

Steve Daniels steve at daniels270.eclipse.co.uk
Mon May 7 22:40:35 UTC 2012


Would you be kind enough to check if an offset of -0.6M works
Or the info I have that was tested by Mike works on this link
http://aprsisce.wikidot.com/doc:qsy
He tested it so I have no reason to believe it does not work

But since we are trying to get something a bit more standard going it helps
to check and at least be as compatible as possible

Steve Daniels
G6UIM
Torbay Freecycle Moderator

-----Original Message-----
From: aprssig-bounces at tapr.org [mailto:aprssig-bounces at tapr.org] On Behalf
Of la3qma at aprs.la
Sent: 07 May 2012 22:51
To: Lynn W. Deffenbaugh (Mr)
Cc: TAPR APRS Mailing List
Subject: Re: [aprssig] FREQ Object Formats

Quoting "Lynn W. Deffenbaugh (Mr)" <ldeffenb at homeside.to>:

> On 5/7/2012 5:02 PM, la3qma at aprs.la wrote:
>>
>> Inserting the actual offset is a no brainer and the receiving part   
>> doesnt have to do anything other than set that offset.
>>
>> ;LA5BR    *111111z6024.76N/00521.64Er145.750MHz T097 -0600kHz
>> ;LA7BR    *111111z6023.06N/00514.98Er434.700MHz T097 -2000kHz
>>
>> This works for me on an modified TM-D710E and it should work on an   
>> A and K model to.
>
> Are you sure the radio is actually using the -0600kHz part of that
> packet?  If you put in -0500kHz does it actually change the shift?
> Also, if you put -0505KHz, does it make a difference?  The spec only
> says -060 and I suspect the radio may be completely ignoring the 0kHz
> part of what you're transmitting.  Nice for human readability, but not
> part of the (current) standard.
>
>>

;LA5BR    *111111z6024.76N/00521.64Er145.750MHz T097 -0505kHz
Gives me an offset of 0.500MHz and also change the step to 5kHz

;LA5BR    *111111z6024.76N/00521.64Er145.750MHz T097 -0515kHz
;LA5BR    *111111z6024.76N/00521.64Er145.750MHz T097 -0525kHz
Gives me an error and does not QSY

;LA5BR    *111111z6024.76N/00521.64Er145.750MHz T097 -0550kHz
Works

;LA5BR    *111111z6024.76N/00521.64Er145.750MHz T097 -055
Works

;LA5BR    *111111z6024.76N/00521.64Er145.750MHz T097 -05
Works but is "rounded" up to be 0.600MHz

Kai Gunter
LA3QMA


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