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Either station can issue the disconnect command, no matter which station origi-
nated the connect.
Digipeating
Everything we have done so far will only be heard by those within range to hear
your signal. With packet radio it is possible to go farther than that. The
DIGIPEAT parameter in the TNC comes defaulted ON. This makes your TNC a
possible relay station, or digital repeater — digipeater, or just digi for short. In
many VHF communities one or more of these is put up in a good, high location
and referred to as a dedicated digi. The TNC and radio is all that is needed for the
digital repeater to do its job. A computer would be needed if you wanted to
change a parameter, but it would not need to stay there for the digi to work. The
higher the antenna, the more effective a digi will be, but remember, every TNC
has the capability of being a digipeater.
If we turn the MRPT command ON we will begin to see more than just the
“from” and “to” stations of the monitored packets. We will also see the callsigns
of those stations that have been used as digipeaters. This list of stations is often
called a path. Here is an example of what you might see:
NØKN>KBØNYK, IAH*,LAG,AUS:
Hi there
In this example, NØKN is talking to KBØNYK, using the digipeaters IAH, LAG
and AUS. The asterisk beside IAH tells you that you are hearing that digipeater.
You will notice that IAH, LAG and AUS are not real callsigns. The TNC pro-
vides a parameter (MYALIAS) to set up an alias, which is often easier to remem-
ber than a callsign. To make this connection NØKN would have typed the
following command to his TNC:
C KBØNYK V IAH,LAG,AUS
V is short for via and up to 8 digis may be used. You must specify digis in the or-
der they will be encountered along the path from your station to the station you
wish to connect to. A space must be typed after the “C” and on both sides of the
“v”, but digis are separated by commas. A path can also be used with the Unproto
command:
U CQ V NOM,LCH,SLI,BIX
Packet Mode of Operation
Modes of Operation
KPC-9612 Plus v 8.2
111
User’s Guide
Содержание KPC-9612 Plus
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Страница 78: ...Installing Your KPC 9612 Plus User s Guide 62 KPC 9612 Plus v 8 2...
Страница 122: ...Getting Started Other Topics User s Guide 106 KPC 9612 Plus v 8 2...
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