Can someone educate me on what a CW reserved/exclusive frequency is on 40 meters? I thought part 97 said you could CW anywhere on 40m but were limited on rtty/data to 7.000-7.125. What am I missing?
Regards, David On Wed, Oct 15, 2025, 22:33 Joseph Benoit via BVARC <[email protected]> wrote: > Read the rules again. FT8 is a digital mode and can be used anywhere but > CW-exclusive segments. DX stations (and their respondents) frequently > operate on away fro busy "FT8" frequencies. > > On Wed, Oct 15, 2025, 9:51 PM Kori Rahman via BVARC <[email protected]> > wrote: > >> FT8 only operates on a single frequency on each band,(some bands like 6m >> etc have two defaults but only one is usually used). There are alternate >> frequencies for a version of FT8, called JS8Call but that's limited too >> For 40m FT8 takes place on 7.074MHz USB, and JS8Call is on 7.078 MHz >> USB). >> >> My only guess is that it's one person either with no idea what they're >> doing, or with insufficient harmonic suppression... >> >> All that to say: Are you sure it's FT8? Because a lot of other modes >> sound similar. Especially FSK modes like RTTY... Anything that uses >> Frequency shifting. I guess packet is possible too. There are HF Winlink >> stations all over the spectrum. But mostly the upper portion of CW or lower >> of voice, in the vicinity of FT8 frequencies. If you have a waterfall >> display you can compare the signal to those on this website: >> https://www.hfunderground.com/wiki/index.php/Signal_Identification >> >> Hope that helps! 73! >> >> >> Kori Rahman, WX5KR >> Houston POTA, President >> Brazos Valley Amateur Radio Club >> - Vice-President and Club Call Sign KK5W Trustee >> Cross Roads Ham Radio Club >> Fort Bend County EMROG >> District 14 SW Unit ARES >> Texas State RACES >> Cell: (770) 298 8516 >> [email protected] >> >> On Wed, Oct 15, 2025, 9:18 PM Jay Davidson via BVARC <[email protected]> >> wrote: >> >>> Why are people running FT8 right in the middle of CW on 40? >>> >>> It’s horrible-overrunning swaths of the band. >>> >>> Trying to copy some DX and all I hear under the weak CW tone is >>> someone’s sound card bleeding over. >>> >>> 7.0650 >>> >>> I don’t want to hop to FT8 to copy and get their call sign because I’d >>> be just as bad. >>> >>> Idk >>> >>> 73, >>> KJ5HMX >>> >>> >>> Sent from my iPhone >>> ________________________________________________ >>> Brazos Valley Amateur Radio Club >>> >>> BVARC mailing list >>> [email protected] >>> http://mail.bvarc.org/mailman/listinfo/bvarc_bvarc.org >>> Publicly available archives are available here: >>> https://www.mail-archive.com/[email protected]/ >>> >> ________________________________________________ >> Brazos Valley Amateur Radio Club >> >> BVARC mailing list >> [email protected] >> http://mail.bvarc.org/mailman/listinfo/bvarc_bvarc.org >> Publicly available archives are available here: >> https://www.mail-archive.com/[email protected]/ >> > ________________________________________________ > Brazos Valley Amateur Radio Club > > BVARC mailing list > [email protected] > http://mail.bvarc.org/mailman/listinfo/bvarc_bvarc.org > Publicly available archives are available here: > https://www.mail-archive.com/[email protected]/ >
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