My mistake, from the start, was to not read the entire paragraph carefully,
and focusing on the "one radio" part.
It is the "no receiving while transmitting" that makes the rules
future-proof.
Nothing prevents you from listening on multiple bands if your radio allows,
but definitely no SO2R. Basic SO2V seems to be allowed as long as
transmission interrupts the other VFO (i.e. Flex 6600 without FDX, or with
a single antenna).
If I may suggest a trivial edit of the rules, I'd reorder the sentences so
that "receiving while transmitting..." comes right after "use only one
radio".
Anyways, my question has been fully answered. Sorry for wasting y'all's
time before reading the rules more carefully.
73 de KI2D
On Wed, Sep 21, 2022 at 9:28 PM Randy Thompson <k5zd@outlook.com> wrote:
> I am going to refer to the CQ WW rules, but I think they are same for WW
> RTTY and WPX.
>
> Rules that cover every future variant of technology are hard to write. It
> was hoped the simplicity of "The entrant will use only one radio..." would
> be sufficient. Especially when the rule also includes "Receiving while
> transmitting is prohibited."
>
> The intent was to go back to a boy and his radio. As radios get more
> receiving capabilities, perhaps a new FAQ should be created to make it more
> clear what is allowed or not. E.g., use of a second VFO (so called SO2V)
> is ok, but looking at a panadapter of 5 bands at once may not be.
>
> Hint: Winning Classic is more about selecting the right operating times
> than trying to get an advantage from a second receiver.
>
> 73
>
> Randy K5ZD
>
>
> -----Original Message-----
> From: CQ-Contest <cq-contest-bounces+k5zd=outlook.com@contesting.com> On
> Behalf Of Sebastian Delmont
> Sent: Wednesday, September 21, 2022 1:36 PM
> To: cq-contest@contesting.com
> Subject: [CQ-Contest] What is "one radio"?
>
> Many contests include a "Classic" overlay that is defined as, among other
> things, the requirement to "use only one radio".
>
> How does this affect the use of radios with multiple reception units?
>
> Does this rule prevent SO2R operation when you use a single radio, with a
> single transmitter but able to listen to more than two signals at once?
>
> Or was this rule meant to prevent this kind of operation, but got obsolete
> and was never revisited?
>
> 73 de KI2D
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