[amsat-bb] Re: PSK v. APRS

Justin Pinnix justin at fuzzythinking.com
Mon Jun 6 18:42:22 PDT 2011


Greg, you're overlooking something - the time dimension.

Yes, packet is a one-at-a-time affair, but those packets move quickly -
1200bps vs 31bps for PSK31.  So, each station only has the bird tied up for
a short period of time.  You could think of it as a form of time division
multiplexing.
73 de AJ4MJ
On Mon, Jun 6, 2011 at 7:43 PM, Greg Dober <almetco at comcast.net> wrote:

> Hi John,
>
> I'm not so sure it's an anti-wide rant.  It is a discussion on a possible
> way to get more efficient use from the limited bandwidth and power on the
> bird.  I love playing with RTTY on HF and packet on VHF, but when you head
> down to 14.070 and see all the stations on the sliver of band qso'ing, it
> seems appealing to use to eliminate overcrowding on a satellite.
>
> Greg
> N3MVF
>
> -----Original Message-----
> From: amsat-bb-bounces at amsat.org [mailto:amsat-bb-bounces at amsat.org] On
> Behalf Of John Becker
> Sent: Monday, June 06, 2011 7:23 PM
> To: amsat-bb at amsat.org
> Subject: [amsat-bb] Re: PSK v. APRS
>
> Sounds just like yet another "anti wide"  rant to me.
>
> John, W0JAB
>
>
>
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