[OZAPRS] What's Happened to HF APRS in VK?
Warren VK3BYD
vk3byd at wia.org.au
Mon Oct 13 18:42:54 EST 2003
Hi Bob,
>
> > BBS in NSW. We used 10.149Mhz as it appeard not to be used localy and
did
> > not feel comftable using 10.151Mhz as it was too close to the band
edge
and
> > this became confusing for most operators.
>
> 1) "too close" to the band edge is groundless concern for the last 20
> years since we have digital synthesized rigs.
That's fine providing your HF rig will allow you to transmit when it is
"out
of band"
> 2) If people are "confused" THen simply don't call it 10.151 LSB, but
call
> it 10.147.6 USB. Its the SAME frequency (assuming someone is using
> an 1600/1800 Hz shift. But the BEST way to refer to the global APRS
> HF freuqnecy is 10.149.2 MARK and let the user do his own math based
> on what TONES his TNC uses.
>
> They are all the same freq.
Are they all the same? Wouldn't swapping to USB invert the mark / space
thus
preventing you from decoding the signal on lsb?
Cheers
Warren.
_______________________________________________
ozaprs mailing list
ozaprs at marconi.ics.mq.edu.au
http://marconi.ics.mq.edu.au/cgi-bin/mailman/listinfo/ozaprs
More information about the Ozaprs
mailing list