[aprssig] OT: Yaesu to release digital amateur radio gear
John Gorkos
jgorkos at gmail.com
Mon Jan 9 10:53:40 EST 2012
On Monday, January 09, 2012 09:29:02 AM Tim McDonough N9PUZ wrote:
> On 1/9/2012 9:17 AM, John Gorkos wrote:
> > <soapbox>
> >
> > I am aware of no other situation like this in amateur
> > radio: If you built an FM transmitter, then anyone in the world with
> > the
> > correct knowledge can build an FM receiver that converts your RF signal
> > into something anyone can receive. Same for SSB, AM, even PSK31 or
> > WSPR. I can think of no other transmission that is legally made on the
> > ham radio bands that I can't build a receiver or decoder for legally.
>
> Pactor III?
I'll grant you that. OTOH, I know of no ARES groups or other emergency
operations agencies that have entire operations plans built around PACTOR II
or III. But I think we've established that I really don't know MUCH, and it's
possible there are entire emergency networks waiting to spring into action
during the next Joplin Tornado/Hurricane Andrew/Fukishima Power Plant event
and coordinate responses and get information to family members, etc. using
PACTOR II and PACTOR III.
You raise an interesting point, though. PACTOR modems are extremely
expensive, for no good reason other than that they are a proprietary, single
source item. There's no reason that Byon or Scott or one of our resident
electroics gurus couldn't make a DSP based PACTOR modem for $100-$200, given
access to the proprietary algorithms that SCS uses. But SCS continues to
charge outrageous prices for a fairly simple technology, limiting their
penetration into the market. Also, they have commercial entities willing to
pay that much for the modems, for commercial uses, so they have no incentive
to drop the cost. How are DVSA and their AMBE chips different? The chances
that DVSI will raise the cost of AMBE is easily as good as the chances they'll
lower it. And I don't deny that they have a right to make money on their
research. Again, my core beef isn't with DVSI, or even ICOM, it's with the
ARRL and ultimately the FCC, for allowing commercial interests to buy their
way into amateur spectrum with proprietary compression algorithms that are de
facto encryption protocols.
John Gorkos
AB0OO
>
> Tim N9PUZ
>
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