For those rigs with fixed memory channels on 60 m, it might make sense to use a keyed audio oscillator in SSB mode.
Bob, N7XY On Nov 19, 2011, at 2:51 PM, Matthew Pitts wrote: > Don, > > You're right, for transceivers that implement the 60 meter band in the VFO; > not all compatible transceivers do. My FT-817 has 5 memory channels for 60m, > thus not much chance for me ever using the new modes on it; I guess I'll have > to add the 60m module to my K2 for that. > > Matthew Pitts > N8OHU > > Sent from my Wireless Device > > -----Original Message----- > From: Don Wilhelm <[email protected]> > Sender: [email protected] > Date: Sat, 19 Nov 2011 17:44:41 > To: <[email protected]> > Reply-To: [email protected] > Subject: Re: [Elecraft] US 60 Meter Band Changes Approved by FCC - CW Issues > > Mike, > > Not all transceivers shift the transmit frequency. > > The Elecraft K2 and K3 dial always indicate the carrier frequency, and > what is displayed does not change when changing modes. With Elecraft, > the pitch of signals will change when changing between CW and SSB. > > OTOH, my Yaesu transceivers do shift the displayed frequency when > changing between SSB and CW, but they shift the receiver - the display > will indicate the transmitted carrier frequency. If you were receiving > a signal in SSB mode and shift to CW, the pitch will stay the same. > > With either Elecraft or Yaesu, there is nothing complicated to figure > out - set the displayed frequency to the center channel frequency - but > with the Yaesu, one must do that AFTER setting to CW mode. With the > Elecraft gear, you can set the frequency in whichever mode you choose, > then switch to CW. > > 73, > Don W3FPR > > On 11/19/2011 4:47 PM, Mike Morrow wrote: >> The point to be taken is that most HAM transceivers, when the emission >> mode is changed from USB to CW, shift either the effective receive or >> the transmit frequency by the desired amount of sidetone frequency. >> They don't shift both the effective receive AND the transmit >> frequency. For example, a transceiver tuned to 5357.0 kHz on the dial >> in USB mode will produce a zero Hz AF output when receiving a >> transmitted signal of 5357.0 kHz, and a 1500 Hz AF output when >> receiving a transmitted signal of 5358.5 kHz. When the transceiver is >> shifted to CW mode, the receiver frequency typically remains 5357.0 >> kHz, while the transmitter frequency is shifted up to typically 5357.8 >> kHz (for 800 Hz CW sidetone). But the new FCC rules require that the >> CW transmit frequency be 5358.5 kHz, which will produce an undesirably >> high side tone to any USB/CW mode receiver set to 5357.0 kHz. If you >> are in a USB phone QSO on 5357.0 kHz, anyone sending a CW signal on >> that channel must do that using 5358.5 kHz. The phone boys will hear >> not the typically 800 Hz sidetone, but rather a high 1500 Hz sidetone! > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[email protected] > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[email protected] > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html _____ N7XY DX Cluster Node - telnet to n7xy.net, port 7300 ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
