[aprssig] "no sym yet" icon + compressed packets?

Paul Bramscher pfbram at comcast.net
Sun Feb 16 00:12:02 EST 2014

I worked the ISS again this evening, and when K0GDI worked me it sure
appears that "1c" is missing in his packets for some reason (evidently
from the hex view).  I guess that breaks the code for icons, if not
more.  I guess we just won't get icons when that software/version reports.


On 2/15/2014 6:58 PM, Paul Bramscher wrote:
> Thanks!  That'll keep me busy for awhile.
> Regards,
> Paul / KD0KZE
> On 2/15/2014 5:30 PM, Heikki Hannikainen wrote:
>> On Sat, 15 Feb 2014, Paul Bramscher wrote:
>>> Might be handy if some of these APRS web sites offered a "really raw"
>>> version of the messages, encoding non-printable characters for debugging
>>> purposes.
>> Actually, aprs.fi does store the original binary packet that it
>> received, and in a storage format that is binary clean (NULL bytes are
>> shown, and all). The default "normal" raw packets view shows
>> non-printable bytes in pink hex codes, '<0x1c>' stands for one byte
>> having value 1C, like here:
>> http://aprs.fi/?c=raw&call=KD0KZE&limit=50&view=normal
>> For other software developers there are also the hex dump view which
>> helps in counting the number of space/tab characters and such:
>> http://aprs.fi/?c=raw&call=KD0KZE&limit=50&view=hex
>> and the decoded view, displaying what our parser gets out of each packet:
>> http://aprs.fi/?c=raw&call=KD0KZE&limit=50&view=decoded
>> Just toggle from the drop-down menu on the top.
>> Looking at the linked packets closely might reveal a couple of bugfixes,
>> but more on those in another email. :)
>>   - Hessu
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