> Especially true since for at least 20 years no radio that I know of
> does actual FSK in any case.
The K3 does true FSK ... it's done using DSP to create the signal
directly at the IF.
73,
... Joe, W4TV
On 3/29/2012 7:57 PM, Jay WS7I wrote:
> Especially true since for at least 20 years no radio that I know of does
> actual FSK in any case. Its just AFSK converted. Last true FSK that I
> used was back in 1986 with Hal WA7EGA and that resulted in an actual
> phone call from the FCC during some contest. Seems the fine FSK in the
> old Kenwood Twins (home brew of course) had a little or maybe they
> thought a major problem as we were on 14.088 with a birdie on Air Force
> MARS Transcon which is just below the edge of the band.
>
> Hal took that fine FSK'd set of Twins to the Hamfest and gave them
> away. He then got with the semi-modern world and launched an Icom-751
> which I had one of and of course it was FSK or rather AFSK converted.
> Even those we had to tune prior to every contest to 170 Hz as they
> shifted during the contest.
>
> That's like saying the modern soundcard works better than my iron.
> ST-8000. Only one person has one program that is better than my ST-8000
> and that is Chen. His might even be better. (And you need not bring up
> RITTY as it doesn't work with Windows 7). So here I sit with a MacBook
> and Chen's program busily receiving along with my ST-8000 on a PC.
>
> Look out for cocoaModem III or should I perhaps say "New cocoaModem".
>
> Heh heh.
>
> Jay
>
>
>
> On 3/29/2012 4:37 PM, James C. Hall, MD wrote:
>> Ohhhhh, this should be interesting. What technological advantages are there
>> to AFSK ?? It is SOOoooo much easier to do FSK IMHO. Radios such as the K3
>> do make it easy with either FSK or AFSK. But what "technological advantages"
>> exist ??
>>
>> Good thread.
>>
>> 73, Jamie
>> WB4YDL
>>
>> -----Original Message-----
>> From: rtty-bounces@contesting.com [mailto:rtty-bounces@contesting.com] On
>> Behalf Of Kok Chen
>> Sent: Thursday, March 29, 2012 6:21 PM
>> To: RTTY Reflector
>> Subject: Re: [RTTY] Fw: ARLB006 NTIA: No Objection to Additional Data Modes
>> on60 Meters
>>
>>
>> On Mar 29, 2012, at 4:13 PM, Joe Subich, W4TV wrote:
>>
>>> AFSK is the RTTY mode for technological novices ... those who do not
>>> know how to operate their transceivers in the way the manufacturer
>>> designed them to operate.
>> I would like you to substantiate that statement, Joe.
>>
>> I haven't transmitted using FSK for years now. There is so many more
>> technological advantages to using AFSK.
>>
>> 73
>> Chen, W7AY
>>
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