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CW keying while operating in SSB mode

Jaap
Jaap Member ✭✭
in FLEX Series (Legacy) Radios

Feature Request: CW keying while operating in SSB mode

Description:
Please add an option to allow CW keying (straight key, paddle, Winkeyer) while the radio remains in USB/LSB mode. Many operators need to send short CW bursts or CW ID’s during SSB operation without switching modes.

Use cases:

  • CW ID during SSB
  • Quick CW replies in SSB QSO
  • VHF/UHF mixed‑mode operation
  • Beacon operation (SSB monitoring + CW ID)
  • Remote operation where mode switching is slow or undesirable

Requested behavior:
A SmartSDR option such as:“Enable CW keying in SSB mode”
When enabled, CW tone is injected into the SSB TX audio chain while staying in USB/LSB.

Benefits:

  • Faster operation
  • Matches behavior of many legacy radios
  • Very useful for contesters, VHF operators, beacons
  • Minimal DSP impact (CW tone generation already exists)

Impact:
Low. Only requires routing the existing CW tone generator into the SSB transmit path.

Comments

  • KD0RC
    KD0RC Member, Super Elmer Moderator

    Hi Jaap, my work around for this is to open a CW slice and place it in the passband of the USB slice at the tone freq that I want (750 Hz in the example below). Mute the CW slice. I do have to remember to click the TX indicator for the CW slice, then back to the SSB slice, but it does work.

    image.png

    You might want to resubmit this post as an idea so that people can vote on it.

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