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April 23rd 07, 03:11 PM
posted to rec.radio.amateur.equipment
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A Kenwood HF rig's "real" frequency in CW
On Apr 22, 9:33 pm, "Bryan" wrote:
billcalley wrote: Cool Dee -- thanks for clarifying that! It was confusing the death out of me (I've been on the wrong darn frequency all this time too!). I didn't see your original post on my Google newsreader under 'sci.electronics.design' because, for whatever weird Google reason, your response didn't cross-post). Thanks again! -Bill Hi Bill, You can think of the displayed receive signal as that of a signal that is *zero-beat*. In CW mode, the pitch increases as you tune up-frequency from the zero-beat frequency. 800Hz is the defacto "standard" for Morse, which is the difference in your rig's carrier oscillator frequencies for receive and transmit. While in a QSO, if you find a different pitch more acceptable, use your RIT (and IF Shift if necessary and so-equipped). RIT keeps QSOs from walking up/down the band. hi! As noted above, the carrier oscillator frequencies should be different between receive and transmit, but in *only* CW mode. In all other modes (LSB, USB, AM, FM), they should be the same between rx & tx. Vy 73, Bryan WA7PRC PS: Dee's response wasn't crossposted to sci.electronics.design. Thanks for the info, Bryan! 73, -Bill |
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