[amsat-bb] Foxtelem and Kenwood TM-V71 signal to noise ratio

[Andrew Rich]

The signalink USB does not pass 9k6 audio bandwidth

Andrew VK4TEC

Sent from my iPhone

> On 20 Nov 2017, at 8:49 pm, Nitin Muttin via AMSAT-BB <amsat-bb at amsat.org> wrote:
> 
> Noted Kevin, so my putting the radio in 9600 data mode the audio is now available from the discriminator directly. For some reason I am unable to decode the telemetry from AO85 and AO91 using a ICOM 821H and Signalink USB. Will try soon with an SDR as well. 73
> Nitin [VU3TYG]
> 
>      From: Kevin Schuchmann <wa7fwf at gmail.com>
> To: amsat-bb at amsat.org 
> Sent: Monday, 20 November 2017 11:50 AM
> Subject: Re: [amsat-bb] Foxtelem and Kenwood TM-V71 signal to noise ratio
> 
> I will mention that for a Icom IC-9100 you need it in Data 9600 mode,  
> the reason being that 9600 gives you the full bandwidth, in non-data 
> mode the radio filters out the sub-audible tones.
> 
> 73 Kevin WA7FWF
> 
>> On 11/19/2017 9:21 PM, Nitin Muttin via AMSAT-BB wrote:
>> What I understand from the Decoder manual is that 9600 is for special experiments and under normal conditions the data under voice (DUV) is 200 bps hence i dont think 9600 setting needs to be enabled / wired at the radio. 73
>> Nitin [VU3TYG]
>>         From: John Brier <johnbrier at gmail.com>
>> 
> 
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> 
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