[TenTec] Argo V and digital modes

[Mike Bryce]

Bob and the group 

I ran AFSK by squirting audio into the microphone jack. 

Exactly like we do with psk today. 

Linearity was just as important then as it is today. 

Mike wb8vge

Sent from my iPhone

> On Sep 22, 2014, at 10:45 AM, Robert <rmcgraw at blomand.net> wrote:
> 
> Yes, RTTY is a carrier mode much like CW.  PSK is an analog mode as most use it. Therefore linearity is very important to transmit a good quality signal. 
> 
> Bob, K4TAX
> 
> 
> Sent from my iPhone
> 
>> On Sep 22, 2014, at 9:23 AM, Mike Bryce <prosolar at sssnet.com> wrote:
>> 
>> back in the day, 
>> 
>> I ran RTTY on HF with a Triton 4.
>> 
>> You ran it at full bore, keeping the ALC LED just from lighting. 
>> 
>> The limits were how the power supply could handle the 20 amp draw for 10 minutes or more (running those rtty pictures!) 
>> The triton was one of a very small group that could handle full power key down for hours at at time.
>> 
>> 
>> Mike Bryce, WB8VGE
>> the heathkit shop
>> SunLight energy systems
>> J e e p
>> o|||||||o
>> 
>> 
>> 
>> 
>> 
>> 
>>> On Sep 22, 2014, at 8:15 AM, Bob McGraw - K4TAX <RMcGraw at Blomand.net> wrote:
>>> 
>>> What ever level it takes to keep below the ALC threshold would be the correct power level.  Same for the  100 watt rigs too.
>>> 
>>> However, with the Argonaut VI the ALC circuit is of different design and one can run a full 10 watts.
>>> 
>>> In all cases, do not have any Speech Processing engaged.
>>> 
>>> 73
>>> Bob, K4TAX
>>> 
>>> 
>>> 
>>> 
>>> ----- Original Message ----- From: <kd2e at comcast.net>
>>> To: <tentec at contesting.com>
>>> Sent: Sunday, September 21, 2014 9:43 PM
>>> Subject: [TenTec] Argo V and digital modes
>> 
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