And some of today's software applications {HRD} have provision for
MCW. One must be careful how the interface between the computer and
radio is constructed so as not to have anything in the audio path which
would contribute to less than a pure sinewave signal. Actually this
is exactly how AFSK and other data modes work. A tone frequency is sent
to the radio to produce the MARK signal and a different frequency tone
is sent to produce a SPACE signal.
In all cases, a clean signal path between the computer and the radio is
found to be mandatory. Hum, buzz, clicks, pops and a mike left open
are all a NO NO!
73
Bob, K4TAX
On 4/9/2019 1:16 PM, Fred Jensen wrote:
A technique pioneered by Art Collins many years ago in the KWM2 and
S-line.
73,
Fred ["Skip"] K6DGW
Sparks NV DM09dn
Washoe County
On 4/9/2019 3:08 AM, Victor Rosenthal 4X6GP wrote:
Oh no! NOW you tell me that all these years that I have believed that
I have been operating CW, it's really SSB!
(Disclaimer to avoid the otherwise inevitable explanations that a
pure audio tone transmitted via SSB is identical with CW: I know that).
73,
Victor, 4X6GP
Rehovot, Israel
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