• [G3XBM] Sunspots - Wednesday May 25th 2022

    From G3XBM via rec.radio.amateur.moderat@21:1/5 to All on Wed May 25 05:28:40 2022
    XPost: rec.radio.amateur.moderated, rec.radio.amateur.equipment, uk.radio.amateur
    XPost: free.uk.amateur-radio

    Roger G3XBM's (Mainly) Amateur Radio Blog

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    Sunspots - Wednesday May 25th 2022

    Posted: 24 May 2022 08:59 PM PDT http://g3xbm-qrp.blogspot.com/2022/05/sunspots-wednesday-may-25th-2022.html


    Solar flux is 147 and the SSN 137. A=4 and K=1.

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    10FT8R 10m FT8 RX

    Posted: 24 May 2022 08:29 PM PDT http://g3xbm-qrp.blogspot.com/2022/05/10ft8r-10m-ft8-rx.html



    This design is over a year old. It is very simple, but works well. It
    allows monitoring of 10m FT8 without tying up the main rig. You will not
    miss much.

    See the 10FT8R webpage for details.
    I am sorry that the link was initially wrong. Hopefully it is now correct!

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    OFCOM - money?

    Posted: 24 May 2022 03:19 AM PDT http://g3xbm-qrp.blogspot.com/2022/05/ofcom-money.html


    OFCOM has made it easier for mobile operators to trade spectrum around 3.6 GHz. See the OFCOM website for more details. Me a cynic? Surely not!!

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    Ferrite rod TX antennas

    Posted: 23 May 2022 11:08 PM PDT http://g3xbm-qrp.blogspot.com/2022/05/ferrite-rod-tx-antennas.html


    W5OLF 1 inch 10m ferrite rod antenna
    A few people have experimented with transmitting antennas made with ferrite rods.

    As long as the ferrite is suitable for the frequency and does not saturate
    it should work. This usually means very low power.
    With modes like WSPR great distances can be covered with very low power. Looking back at past blog posts I saw that Jay W5OLF achieved good results
    on 10m WSPR with a 1 inch ferrite rod antenna and 500mW RF.
    See
    https://sites.google.com/view/g3xbm4/home/antennas/ferrite-rod-tx-antennas.



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    Sunspots - Tuesday May 24th 2022

    Posted: 23 May 2022 11:04 PM PDT http://g3xbm-qrp.blogspot.com/2022/05/sunspots-tuesday-may-24th-2022.html


    Solar flux is 158 and the SSN 132. A=5 and K=1.

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