From: Demetre Valaris (mzyhurv@wyoming.com)
Date: Sun Jan 20 2002 - 19:23:52 EET
On 19 Jan 2002, at 19:14, Riley Williams wrote:
> Hi Demetre.
>
> > Too much talk for nothing. Can you demonstrate a modem other than
> > SCS that does IP over HF without having to depend on a computer for
> > the SLIP protocol?? I do not think you can because there is none, at
> > least in the radio amateur market.
>
> I can't offer any examples from the amateur radio market for the simple
> reason that I'm not licensed for HF operation myself, not yet having
> passed the Morse test, and thus have had no reason to look for them.
>
> However, there *ARE* suchlike systems in use on HF in the commercial
> world, most notably the various WAN-ethernet cards that operate on the
> HF bands at various frequencies. My brother has one in his computer that
> he uses to connect to his Works network, and it appears to operate with
> a low power signal with a 3 MHz bandwidth centred around 25 MHz.
>
> > So if you need an HF IP point to point link, I am afraid that having
> > 2 X SCS PTC-II is the only solution.
>
> Is it also necessary to have exactly the same FIRMWARE on those carsd at
> each end? If so, then every time SCS release a new version of the
> firmware, everybody has to buy t to remain online...
>
> > But after all I said clearly in my e-mail that I wasn't interested
> > in that anyway, so what is all this fuss about I do not understand.
>
> Your mis-information didn't help.
>
> Best wishes from Riley.
>
>
I do not think that you know what you are talking about Riley. The cards
you mention do not use PACTOR 1 or PACTOR 2, so you used a bad
example.
As you said in another message of yours you are no HF expert, so please
leave us alone to do some works here.
73 de Demetre SV1UY
e-mail mnbpsrdb@bulstar.net
http://www.athnet.ampr.org/~sv1uy
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