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[aprssig] RE: [OZAPRS] Re: SSID's

Curt Mills archer at eskimo.com
Tue Sep 21 01:02:13 UTC 2004

On Mon, 20 Sep 2004, A.J. Farmer wrote:

> In the 802.11 "Wi-Fi" world, SSID stands for  "service set identifier".  It
> is used to distinguish between wireless networks.  I assume the acronym is
> the same for APRS/Packet and it distiguishes between nodes with the same
> callsign.  This way you can operate more than one station (node) on the APRS
> network under the same callsign while still keeping them unique.

Close.  Secondary Station Identifier.  Purpose is the same.  There
are four bits reserved in the header for the SSID, so you get 0
through 15 as possibilities.  -0 is usually ommitted from text
listings, so you never see that one.  This means "WE7U-0" == "WE7U".

Curt, WE7U.				archer at eskimo dot com
  Lotto:  A tax on people who are bad at math. - unknown
Windows:  Microsoft's tax on computer illiterates. - WE7U.
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