[CQ-Contest] band plan definition - LSB vs USB

Ron Notarius W3WN wn3vaw at verizon.net
Wed Oct 3 13:35:52 EDT 2012


If your SSB signal is 3 kHz wide...
And the top of 20 meters is 14.350 MHz...
And you don't want any of your signal to be transmitted above the top of the band...
Then your highest dial setting on a properly and accurately calibrated radio would be 14.347 MHz.
On 15, 21.447.
Etc. etc. etc.
73, ron w3wn



On 10/03/12, Tõnno Vähk wrote:

There is one thing has been bothering me for a while and I am sure there
are some knowledgable people here who can explain this.

ITU R1 band plan says:

* - Lowest dial setting for LSB Voice mode: 1843, 3603 and 7053 kHz*

But it does not mention the highest dial setting for USB on 20-10 meters.

So is it allowed to work USB on 14349 what concerns the band plan?

IARU Region 1 and Region 2 band plans both also say:

*Transmitting frequencies: The announced frequencies in the band plan are
understood as “transmitted frequencies” and not those of the suppressed
carrier!*

What does it mean? Does it mean that furthermore, it is stressed that 14349
is OK as it is the transmitted frequency?

73
Tonno
ES5TV
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