[ARC5] Fwd: [Glowbugs] Re: [Elecraft] US 60 Meter Band Changes Approved by FCC - CW Issues
Neil
neilb at ihug.co.nz
Sat Nov 19 19:28:27 EST 2011
As I see it, you could work split VFO operation. Set VFO A for
transmit on 5358.5, and VFO B on some frequency near 5357.0
to produce the CW note you prefer to listen to.
73 de Neil ZL1ANM
> For CW emissions (emission designator 150HA1A), the carrier frequency
> is set to the center frequency...
>
> 60M BAND FREQUENCIES (KHZ)
> Carrier Center
> 5330.5 5332.0
> 5346.5 5348.0
> 5357.0 5358.5
> 5371.5 5373.0
> 5403.5 5405.0
> ---END QUOTE---
>
> Note the *requirement*: "For CW emissions ... the carrier frequency is
> set to the center frequency."
>
> For example, switching from USB Phone on 5357.0 kHz to CW on the *same*
> channel, the transmitter must transmit on 5358.5 kHz. That will produce a
> 1500
> Hz tone in a USB receiver set to 5357.0 kHz. It appears that now a
> transceiver
> will need to shift not only the transmitter's carrier from 5357.0 to
> 5358.5 kHz,
> but also receiver's effective frequency up by the amount needed to produce
> the
> desired sidetone when tuned to a 5358.5 kHz CW signal. The wording in the
> new
> rule seems to introduce an unfortunate and valueless complexity for CW
> operation.
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