The new units I have been looking at have an optional module that is installed in the transceiver and allow direct connection to a PC serial port. I assume the optional modules are effectively TNCs.
Are the TNC connectors on the back of the unit that don't have an internal TNC merely sound input/output circuits? Bob Macklin K5MYJ Seattle, Wa. "Real Radios Glow In The Dark" ----- Original Message ----- From: "Tim N9PUZ" <[email protected]> To: <[email protected]> Sent: Sunday, January 03, 2010 12:50 PM Subject: Re: [digitalradio] Packet Operation??? > k5myj wrote: >> I have been looking at some of the newer VHF mobile tranceivers. Mine >> is a 2003 variety. The next one Kenwood built has a PACKET connector >> on it. >> >> Is this Packet interface usable as a digital mode between two >> stations in simplex mode? >> >> My next step is to locate packet software and find out how it works. >> >> Bob Macklin K5MYJ Seattle, Wa. > > The data connector found on many VHF/UHF FM radios is for connecting an > external TNC (Terminal Node Controller). The TNC interfaces your radio > to a computer. > > On VHF a baud rate of 1200 baud is normally used. You can keyboard back > and forth between two or more radios quite easily. There are programs > around that make this simple but you can also just use something like > Hyperterminal. TNCs vary by manufacturer. The exact commands required to > connect, etc. can change somewhat. > > <http://www.choisser.com/packet/> has info on basic packet. It is not > nearly as popular as it once was but does serve as the underlying > transport mechanism for things like APRS and the VHF/UHF modes for > Winlink 2000 email via RF. > > Tim, N9PUZ > > > > ------------------------------------ > > Suggested frequencies for calling CQ with experimental digital modes = > 3584,10147, 14074 USB on your dial plus 1000Hz on waterfall. > > Announce your digital presence via our Interactive Sked Pages at > http://www.obriensweb.com/sked > Yahoo! Groups Links > > >
