HF ALE Systems

Paul L. Rinaldo prinaldo@mindspring.com
Tue, 06 Jul 1999 08:56:53 -0400


Gang,

FYI.

73, Paul, W4RI

>Date: Tue, 06 Jul 1999 13:11:47 +0100
>From: Charles Brain <chbrain@dircon.co.uk>
>X-Mailer: Mozilla 4.6 [en] (Win95; I)
>X-Accept-Language: en
>To: "Paul L. Rinaldo" <prinaldo@mindspring.com>
>Subject: Re: HF ALE Systems
>
>
>
>"Paul L. Rinaldo" wrote:
>> 
>> Dear Charles,
>> 
>> To change subjects, what is the status of your HF digital voice
experiments? Would it be possible to obtain/reproduce a copy of your
board(s) for some transatlantic contacts?
>> 
>> 73, Paul, W4RI
>> 
>
>Hello Paul,
>
>The situation on the Digital Voice boards is that TAPR are intending to
make a small batch of them.
>They should be available later in the year, you will have to ask Greg
Jones about that one. They have
>done the board layout already and I have checked it. If that falls through
I am sure someone else can
>take up the challenge! I used ExpressPCB to do my boards and while they
are cheap for small quantities
>they are a bit more expensive on larger runs.
>
>At present I am using a low dipole for NVIS comms, so my antennas are not
suitable for DX, but I have one
>spare Vocoder board I could loan out if you are interested.
>
>As far as the ALE is concerned, I have written a Win95 ALE controller
based on the 1045 protocol. I have
>not finished all the testing but it will do basic calls, sounding AMD
orderwire etc. I am using it to 
>establish links for the digital voice tests. Also the AMD gets through
when the DV does not so it can
>be used as a backup orderwire. I use a Toshiba laptop running the ALE and
the DV modem connected together via
>a resistive pad feeding the IC706. The 8ary modem uses the internal
soundcard.
>
>
>- Charles
>
>
>- Charles
>