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30m robust packet tx inhibit

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Paulo CT1ETE
Paulo CT1ETE Member ✭✭
in FLEX-6000 Signature Series

Hi,

I am trying to TX with my Flex 6400M on 10147.3 kHz which is the frequency in EU for Robust Packet APRS. That frequency is inhibited by the radio. Band Plan for Region 1 allows 10130 - 10150 for narrow band modes - digimodes. What can I do?

Thanks & 73

Paulo CT1ETE

Comments

  • Mike-VA3MW
    Mike-VA3MW Administrator, FlexRadio Employee, Community Manager, Super Elmer, Moderator admin
    Options

    For some reason the radio thinks you are out of band. This can be affected by your HPF setting.

    What is the vfo frequency, the tx bandwidth you are using and if the VFO frequency + the HPF setting is greater than 10150Khz, then the radio will inhibit transmit.

    Tell me a bit more if the math makes sense.

  • Paulo CT1ETE
    Paulo CT1ETE Member ✭✭
    Options

    Well. I need to be in DIGU. If I go to USB, TX is enabled. So, DIGU bw is greater than 2.7.

  • Paulo CT1ETE
    Paulo CT1ETE Member ✭✭
    Options

    I've set the TX bw accordingly. Thanks Mike.

  • Mike-VA3MW
    Mike-VA3MW Administrator, FlexRadio Employee, Community Manager, Super Elmer, Moderator admin
    Options

    Did that solve it?

  • Paulo CT1ETE
    Paulo CT1ETE Member ✭✭
    Options

    Yes, Mike. I can't exceed 2.700 bandwidth on TX, because I only have 2700 from 10147.3 to 10150. It solved, thanks.

  • Mike-VA3MW
    Mike-VA3MW Administrator, FlexRadio Employee, Community Manager, Super Elmer, Moderator admin
    Options

    Excellent. Glad it worked out.

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