Forum Replies Created

  • wa3ltj

    Member
    2025-07-28 at 20:08 in reply to: Actual SWR of an antenna
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    Here is easiest way to do the calculation

    Antenna SWR when reading SWR in the shack

  • wa3ltj

    Member
    2024-08-14 at 17:44 in reply to: FT-DX10 power meter
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    Sorry I did not see this sooner. I was not a member of the group until now.
    The FTdx10 has a number of idiosyncrasies associated with SSB. The major problem is adjusting the mic gain, processing gain, and the AMC (automatic microphone control). These interact and just increasing the mic gain will not increase power depending on the other settings. If you use the processor (which I do), your power meter will more closely match the peak power, as expected. As I recall, the ALC meter reading is used to adjust the processor level. It is not helpful for mic gain because of the AMC. There are some detailed discussions on how to adjust the three controls. The AMC is especially vexing, because it seems backwards.
    When properly adjusted, the transmitted audio is clean sounding and has good punch, and the power peaks are not stuck at 50W. A spectrum analyzer can be helpful. The manual is not.

  • wa3ltj

    Member
    2024-02-02 at 17:38 in reply to: Many hobbies in one
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    Antique radio collecting and restoration

    Having something to occupy your time while your girlfriend runs mountain trails.

  • wa3ltj

    Member
    2024-03-06 at 02:06 in reply to: PC headset to ICOM 7600 connector
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    Yes. There was a typo. Corrected to: “diagram for wiring a PC headset” I am not looking for pin-outs of connectors. Lacking a diagram, I will work from the pin-outs and make (and test) my own diagram.

    Where do I find a correct diagram for wiring a PC headset (2 separate stereo 3.5mm plugs) to the microphone jack of an Icom 7600?

  • wa3ltj

    Member
    2024-02-06 at 03:25 in reply to: Who needs an audio interface?
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    Is there any else to consider? That’s all.

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