[aprssig] DSTAR Freq in Status text?
Michael J. Wolthuis
wolthui3 at msu.edu
Wed Mar 11 21:42:25 EDT 2009
This is the packet I get when attempting this. I'll try and compare it
with localinfo.html
KB8ZGL>API282,DSTAR*,qAR,WX8GRR-C:/120139z4311.43N/08520.20Wj039/000/147.290Mhz
DStar
I would guess the j039/000/ is the part that is kicking the freq. out
of the 10th byte?
Mike
Bob Bruninga wrote:
>> Where is the spec on this? I haven't
>> been able to easily locate it. I
>> could then answer some of my own questions.
>>
>
> www.aprs.org/localinfo.html
>
>
>> You can send freq. information if you
>> use Pete's DPRSInterface with D-Star
>> and an APRS program.
>>
>
> Last time I looked, DPRS forces a certain format and will not allow the FFF.FFFMHz to be in the required leading 10 byte location for it to be part of the APRS Frequency Spec. Yes, last ime I looked, DPRS can include frequency, but not in the right place to make it parseable in APRS.
>
>
>> Bob Bruninga wrote:
>>
>>>> Is there anyway I can denote that it is
>>>> DStar and not analog in my Status text?
>>>> ie. FFF.FFF d* or something like that?
>>>> I would like people to know I am not on
>>>> analog at the time when I have d* on.
>>>>
>>>>
>>> Unfortunately I have been unsuccessful in encouraging the DPRS conversion to implement the FFF.FFFMHz part of the APRS format. I do understand that D* and APRS are apples and oranges, but since the fact that the packet was originated on DSTAR is coded elsewhere in the packet, it could be easy to distinguish.
>>>
>>>
>>>
>>>> Will other d-710s only pickup the freq if it
>>>> has Mhz as the last 3 characters of the 10?
>>>>
>>>>
>>> Yes, that is the "spec" it must be FFF.FF?MHz with the ? being a digit or a space...
>>>
>>> My hope is that we have the best integration of D* and APRS as possible. I do not have any DSTAR equipment, so if you have any ideas how we can better cross communicate these systems, I am all ears. Especially in light of the Universal HAM Messaging Initiative: www.aprs.org/aprs-messaging.html that is attempting to make sure any ham system can text message any ham on any system from any system.
>>>
>>> Bob, WB4APR
>>>
>>> Bob Bruninga wrote:
>>>
>>>
>>>>> I have my RC-d710 now talking through my Icom
>>>>> 2820. I was wondering, is there anyway to
>>>>> format the Status Text transmitted to include
>>>>> frequency you are on like a d710?
>>>>>
>>>>>
>>>>>
>>>> Sure, just put FFF.FFFMHz in the status text
>>>> of the D710. That is the standard APRS format
>>>> introduced in APRS1.2. It must be the first
>>>> 10 bytes of free-text in the position comment
>>>> or status fields.
>>>>
>>>> I had also proposed that the DPRS interface
>>>> to the DSTAR system would include the frequency
>>>> in those packets gated from DPRS into the APRS
>>>> system, but I was unsuccessful in convincing
>>>> the right people of the value of being
>>>> compatible with the frequency field.
>>>>
>>>> If that was done, then not only could we see
>>>> the locations of DSTAR users on APRS, but we
>>>> could also see their operating frequency for
>>>> a return call.
>>>>
>>>> Bob, Wb4APR
>>>>
>>>>
>>>
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>>>
>>>
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