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SmartSDR v3.8.21 and the SmartSDR v3.8.21 Release Notes
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T/R Relay noise with Antenna Tuner - 6600

KD8K
KD8K Member ✭✭
edited May 2019 in FLEX-6000 Signature Series
Normally CW is silent, no relay noise at all. However, I noticed that when the internal Antenna tuner is active on the 6600 there is a T/R relay clicking when sending CW. It is a very noticeable difference with the tuner on and off. Is this normal, or is there a setting somewhere I have overlooked?

Thanks!

John KD8K

Answers

  • Steven WA8Y
    Steven WA8Y Member ✭✭
    edited May 2019
    You must be using v2.4.9
  • KD8K
    KD8K Member ✭✭
    edited May 2019
  • Joe N3HEE
    Joe N3HEE Member ✭✭
    edited May 2019
    QSK with ATU engaged is not supported unless using a separate receive antenna. This is documented in the 3.0.19 user manual. Where you using QSK?
  • KD8K
    KD8K Member ✭✭
    edited May 2019
    The QSK enunciator is displayed with the tuner activated on a single antenna, so I assumed it was supported. Apparently this is not the case. I would much prefer that the tuner stay inline for receive to allow for CW QSK, but it is what it is.

    Thanks.

    John
  • Joe N3HEE
    Joe N3HEE Member ✭✭
    edited May 2019
    Flex sites potential performance issues when using QSK with single antenna with ATU engaged. I agree this is undesirable but I’m afraid this is how iQSK works with Flex. I did find a workaround but not sure it will work in V3. Try to change to another band then back . That forces QSK to work with ATU on my 6600M running 2.49.
  • Tim K9WX
    Tim K9WX Member ✭✭✭
    edited May 2019

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