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  • [G3XBM] 17m FT8 RX with the tiny indoor loop

    From G3XBM via rec.radio.amateur.moderat@21:1/5 to All on Mon Mar 28 02:59:11 2022
    XPost: rec.radio.amateur.moderated, rec.radio.amateur.space, uk.radio.amateur XPost: free.uk.amateur-radio

    Roger G3XBM's (Mainly) Amateur Radio Blog

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    17m FT8 RX with the tiny indoor loop

    Posted: 27 Mar 2022 11:26 PM PDT http://g3xbm-qrp.blogspot.com/2022/03/17m-ft8-rx-with-tiny-indoor-loop_28.html



    In the last day 321 stations have been spotted on 17m FT8 RX with the tiny indoor loop antenna. I am amazed.


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    Sunspots - Monday March 28th 2022

    Posted: 27 Mar 2022 11:33 PM PDT http://g3xbm-qrp.blogspot.com/2022/03/sunspots-monday-march-27th-2022.html


    Solar flux is 130 and the SSN 97. A=18 and K=4.

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    17m FT8 RX with the tiny indoor loop

    Posted: 27 Mar 2022 12:19 PM PDT http://g3xbm-qrp.blogspot.com/2022/03/17m-ft8-rx-with-tiny-indoor-loop.html


    It is now 1520z. I have just QSYed to 17m FT8 RX from 2m. The antenna is
    the tiny loop on the shack windowsill. So far (after a few minutes) 22
    stations spotted. This antenna really is remarkable. I guess it must be a
    few dBs down on a "big" antenna.
    UPDATE 1628z: 93 stations spotted on 17m FT8 RX this afternoon.
    Furthermost is YB1HR (11790km).
    UPDATE 1735z: 154 stations spotted on 17m FT8 RX.
    UPDATE 1810z: 179 stations spotted on 17m FT8 RX.
    UPDATE 1920z: 225 stations spotted.

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    Getting ready for 8m TX

    Posted: 27 Mar 2022 09:48 AM PDT http://g3xbm-qrp.blogspot.com/2022/03/getting-ready-for-8m-tx.html


    As I now have the coax for my 40MHz dipole, things are on target.
    Assuming I build and erect the antenna this week, I should start on April
    2nd as per my permit.
    My aim is to run mostly FT8 near 40.675MHz (audio will be perhaps 1kHz
    higher) with some CW for some local crossband reports. I intend to use my amateur callsign.

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    Geosynchronous Oscar 100

    Posted: 27 Mar 2022 07:54 AM PDT http://g3xbm-qrp.blogspot.com/2022/03/geosynchronous-oscar-100_27.html



    Since I last looked, there is not much change. This was European mid
    afternoon on a weekend, when activity is highest. Still plenty of space.

    See https://eshail.batc.org.uk/nb/ .

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    2m FT8 RX in the last day

    Posted: 27 Mar 2022 04:38 AM PDT http://g3xbm-qrp.blogspot.com/2022/03/2m-ft8-rx-in-last-day.html


    77 stations spotted on FT8 RX in the last day with just the omni big-wheel antenna.
    Did someone say 2m is dead? Try FT8. I suspect more people are choosing to
    use FT8, so the rest of the band appears quiet.
    The furthermost is F8BON (684km).


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    10m WSPR QRP TX (Sunday)

    Posted: 27 Mar 2022 08:01 AM PDT http://g3xbm-qrp.blogspot.com/2022/03/10m-wspr-qrp-tx-sunday.html


    When I am using 2m FT8, the 10m antenna is available. I keep forgetting
    that I can still go on 10m WSPR TX using my 500mW W5OLF WSPR beacon. This morning, I shall go on 10m WSPR TX. I must remember this when I get active
    on 8m.
    UPDATE 0830z: WSPR TX turned on at 0825z. Just G4KPX (14km) spotting me.
    UPDATE 1500z: 3 unique stations spotting me.







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    Sunspots - Sunday March 27th 2022

    Posted: 26 Mar 2022 11:17 PM PDT http://g3xbm-qrp.blogspot.com/2022/03/sunspots-sunday-march-27th-2022.html


    Solar flux is 119 and the SSN 48. A=7 and K=2.

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    Dipole calculator

    Posted: 26 Mar 2022 08:54 AM PDT http://g3xbm-qrp.blogspot.com/2022/03/dipole-calculator.html


    In the next few days, I have to make a dipole for the 8m band on which I
    have special permission to TX for 12 months. At my QTH, the most suitable antenna is a simple wire dipole. You may be interested in this calculator.
    See https://www.wireantennas.co.uk/dipole-calculator .

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