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How time changes things - Checking if frequency is in use on CW

Discussion in 'On-Air Operations - Q&A' started by KG5NII, Jul 2, 2017.

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  1. KL7AJ

    KL7AJ Premium Subscriber QRZ Page

    .. . was the old land line "C"....and used forever. I still use it to find a clear does anyone who uses full break in.
  2. WD4IGX

    WD4IGX Premium Subscriber QRZ Page

    EDIT: Never mind. I already said this way back there!
  3. G3YRO

    G3YRO Ham Member QRZ Page

    DitDit Dit may have been an AMERICAN telegraph query . . .

    But I've never been aware of its use over here in Britain . . . or Internationally.

    I got my A Class licence back in 1969 . . . and was an SWL for a couple of years before that. I never heard anyone using anything but QRL? to check if the frequency was busy.

    So I suspect the ARRL eventually changed their suggested procedure once they realised there were more Amateurs around the world than just in the USA !

    Roger G3YRO
  4. KA1BSZ

    KA1BSZ Ham Member QRZ Page

    anyone know what kind of a mode is that on 7.039 khz?????? it seems to be a continuous transmission.

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