[amsat-bb] Re: Hell mode on vo-52

[Tony]

Charles,

Feld Hell mode works well compared to other modes that tend to be 
doppler-sensitive. Nino Porcino's Hellschreiber has a Satellite mode 
option that lets you monitor your own signal with a full-duplex sound 
card.

See -- http://xoomer.alice.it/aporcino/

Doppler can be tricky without some kind of automation, but I've used the 
Feld Hell mode successfully on everything from AO-10 to FO-29 with 
manual control. Of course, there's a lot of dial tweaking with mode J 
downlinks ;  ).

Will look for you on the next VO-52 pass.

Tony -K2MO





----- Original Message ----- 
From: "Charles Reiche" <reichec at verizon.net>
To: <amsat-bb at amsat.org>
Sent: Tuesday, February 19, 2008 7:33 PM
Subject: [amsat-bb] Hell mode on vo-52


> Pending approval of the other half, I will be attempting Hellschreiber 
> mode somewhere above the center of the vo-52 downlink on the next east 
> coast pass here  Feb 20, 2008 at 01:50 UTC, and potentially the next 
> more westerly pass around 03:30 UTC.  I will be using fast full 
> doppler control and be working with feldhell mode unless someone 
> replies fast with other suggestions or recommendations.
>
> This will be my first attempt with hell mode using what I think should 
> work... :)
> Hope to hear from you.
>
> Charlie
> N3CRT
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