Richard Hoskin vk3jfk at amsat.org
Sat Apr 26 12:45:15 EST 2008




DPRS is the D-Star tracker equivalent to APRS.


Each D-Star radio is capable of operating as a dumb tracker (in APRS terms)
to provide position information. Some D-Star radios have a GPS built into
them which is a nice touch.


The new version of the DPRS / D-Star Gateway software (G2), does not support
numerical SSIDs so you will start to see people on your map with an SSID of
M or P etc. These are D-Star DPRS stations. In translation DPRS -M = APRS -9
and DPRS -P = APRS -7 or -13. There will be new DPRS SSIDs appearing in the
future once the standards are sorted.


Currently you will only see DPRS stations around the greater Melbourne and
Darwin areas however in the coming months D-Star and DPRS will be available
in Sydney, Brisbane, Perth and latter in Adelaide. 


The main difference with D-Star is that the position information data is
interleaved with digital voice data. This allows you to talk and transmit
your location or other data on the one frequency simultaneously. You can
find out more on D-Star at www.dstar.org.au <http://www.dstar.org.au/> 


At this stage DPRS is limited in what it can do and should be considered an
introductory tool for APRS Giving APRS greater exposure to other areas of
the amateur radio population.


APRS and DPRS are not compatible with each other in their generic form. DPRS
is converted to the APRS format via a D-Star DPRS Gateway.






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