• [VK2TPM] Updated QDX Firmware to 1.04 - working very well on WSPR

    From VK2TPM via rec.radio.amateur.modera@21:1/5 to All on Thu Jul 21 18:57:27 2022
    XPost: rec.radio.amateur.moderated, aus.radio.amateur.misc, rec.radio.amateur.equipment

    marxy's musing on technology

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    Updated QDX Firmware to 1.04 - working very well on WSPR

    Posted: 21 Jul 2022 02:40 PM PDT http://blog.marxy.org/2022/07/updated-qdx-firmware-to-104-working.html

    The QDX is a tiny FSK mode transceiver from QRP Labs which works amazingly well. This week, new firmware was released which improves transmit a
    little. I've been running it on 40m here and results are very good.My
    friend Stephen, VK2BLQ, is 800km away in Sydney and he received my 3W at
    +18dB last evening.I have a theory that direct generation of RF for digital modes in rigs like the QDX produces

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