Thanks Juian, the Net14 instructions suggested 1800 Hz as an audio frequency but I'll try 2100 and see if I detect any traffic. I do have APRS Messenger.
Andy K3UK On Sun, Mar 21, 2010 at 7:28 AM, g4ilo <jul...@g4ilo.com> wrote: > > > I've never heard of Net14 before and don't know how it differs from APRS in > general, but the best band for APRS activity (including using PSK63) 24/7 > seems to be 30m. > > You need the software APRS Messenger which you can get from this Yahoo > group: http://uk.groups.yahoo.com/group/cross_country_wireless/ where > you'll also find help and advice on using it if necessary. This is all you > need to send and receive APRS text messages but it can be fun to use an APRS > client such as APRSISCE (obtainable froim this Yahoo group: > http://groups.yahoo.com/group/aprsisce) so you can see on a map the > position of stations whose packets you receive. > > APRS over PSK63 on 30m is operated using USB with a dial frequency of > 10.137600 MHz and an audio frequency of 2100Hz (the latter is an option > selected within the APRS Messenger software.) You cannot use a regular PSK63 > program to participate in this because the APRS over PSK63 protocol uses > checksumming to ensure the validity of packets. > > There are probably a lot of other questions which have already been > answered (or can be asked) in the aforementioned Yahoo groups. This is a > very interesting use of PSK63 which appears to provide a more robust method > of sending APRS over HF than using 300baud packet. > > Julian, G4ILO > > >
