[OZAPRS] APRS with Foundation license

Richard Hoskin vk3jfk at wia.org.au
Wed Oct 6 10:46:50 EST 2010


Hi Ray,

> I have to confess I do not know what would happen with a seven character
> callsign but given that the last character ends up where the SSID is
> expected, one could expect packet corruption. I'm just looking at the
> v2.0 (1984) specification and the source address field is seven octets
> long. The first six are for the callsign, the seventh for the SSID. For
> a callsign with less than six characters, the space to the right of the
> last character is padded with ASCII spaces. The dash, between the
> callsign and the SSID is not mentioned but appears to be a delimiter
> after the callsign. Given that the SSID field expects certain ASCII
> characters and, another letter may not meet the requirement, I stand by
> my assumption that packet corruption is a possibility.
 


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