[aprssig] APRS Messenger on 30 Meters

John McHugh johnk.mchugh at bellsouth.net
Fri Mar 5 15:14:54 EST 2010


Thanks for the info. That's what I had figured. Maybe I'll look at my 
other radio because it has a PKT socket on the back panel, then I can 
input thru' that for the KAM and thru' the mike for the APRS messenger

I was monitoring since about 7pm last night until now and saw the following

KB1TCE-9>APSK63:=4402.92N/06906.20W&Owl's Head, Maine FN54kb
NH7C-63>APSK63:=3904.83N\07709.22W-Team Wamuran QRP
KB2HSH>APSK63:Buffalo, NY USA FN02ox
WB8SKP-2>APSK63:=3643.91N\08807.88W- / v 2.34 EM56
KD4MOJ-63>APSK63:=3027.27N\08420.80W- APRS Messenger 2.35/ HalfW Sloper 30w

John, K4AG

Stephen H. Smith wrote:

> On 3/5/2010 6:11 AM, John McHugh wrote:
>> The way I see it APRS Messenger and the KAM-UIview are not related 
>> except that you use 2100Hz as the PSK tone
>> Is it possible to run APRS and Messenger at the same time? What am I 
>> missing?
> YES!      At least you can receive on both at the same time.    At RF, 
> the PSK63 carrier is 300 Hz higher than the higher of the two FSK 
> tones used by "classic" FSK AX25.   (The actual RF freqs for the 
> classic FSK are  10.149.200 and 10.149.400 while the PSK63 frequency 
> is 10.149.700.)  Thus the receiver can be tuned so that all the tones 
> are in the passband, and audible at the same time, in a manner similar 
> to receiving multiple stations simultaneously within the receiver 
> passband on PSK31.

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