Michael G7VJR

@g7vjr

Author of Club Log, a web-based application that analyses log files from a global community of radio amateurs. I also post about antique clock repairs

Cambridge, UK
Liittynyt helmikuu 2010

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  1. uudelleentwiittasi
    8. jouluk.

    New Begali Simplex Blue ceramic finish!!!

    Kumoa
  2. uudelleentwiittasi
    4. jouluk.

    New blog post: More data from Voyager 1. A lengthy report about decoding data from a recording of done in 2020. The SNR is not so strong, so care is taken to quantify and minimize losses in each step.

    A waterfall of the data sideband of Voyager 1. We can see the Doppler drift and the spectral lines caused by long sequences of zeros in the data.
    A raster plot of the first 128 bits of a dozen frames from Voyager 1. We can see the 32 bit synchronization words, as well as some binary counters.
    Kumoa
  3. uudelleentwiittasi
    3. jouluk.

    Arthur Perrin, a newly licensed french ham, is currently active as FT4XW from with a QRP transceiver and a vertical antenna. His 20w only makes it tricky but who knows GL!

    Kumoa
  4. 1. jouluk.

    2021-10-17 → 2021-11-01: ░░░░░░▓░░░░░░░░ FT8 44.6% ░░░░░░▓░░░░░░░░ SSB 41.3% ░▓░░░░░░░░░░░░░ CW 9.8% ▓░░░░░░░░░░░░░░ FT4 2.4% ▓░░░░░░░░░░░░░░ RTTY 1.4% ▓░░░░░░░░░░░░░░ Other 0.5%

    Kumoa
  5. 28. marrask.

    What makes CQWW so great is the superstations. They make such a huge contribution - bringing the DX to our doorsteps. 👏🏻

    Kumoa
  6. 27. marrask.

    Conditions on 21/28 are pretty fantastic. Almost makes up for the dire WX!

    Kumoa
  7. 20. marrask.

    9X4X expedition added to Club Log

    Kumoa
  8. uudelleentwiittasi
    16. marrask.
    Kumoa
  9. 15. marrask.

    2021-10-01 → 2021-10-16: ░░░░░░░░░▓░░░░░ FT8 60.0% ░░▓░░░░░░░░░░░░ CW 17.1% ░░▓░░░░░░░░░░░░ SSB 14.8% ▓░░░░░░░░░░░░░░ FT4 4.6% ▓░░░░░░░░░░░░░░ RTTY 2.6% ▓░░░░░░░░░░░░░░ Other 0.9%

    Kumoa
  10. 14. marrask.

    Watching Alok Sharma getting COP26 closed reminded me of this: . I'm sure I'm not the only one!

    Kumoa
  11. 13. marrask.

    Owain's drumming just raised £2m. One of my favourite videos of all time (and the BBC News music is pretty damn great!). . I wonder if anyone tool a sound level reading in there?

    Kumoa
  12. uudelleentwiittasi
    9. marrask.

    Z-Sat over Brazil

    Kumoa
  13. uudelleentwiittasi
    6. marrask.

    3A3A log on Club Log. Full LoTW upload to follow.

    Kumoa
  14. uudelleentwiittasi
    4. marrask.

    RSGB 2021 Online Convention presentation - Club Log for absolute beginners via

    Kumoa
  15. 1. marrask.

    2021-09-17 → 2021-10-02: ░░░░░░░░▓░░░░░░ FT8 57.2% ░░▓░░░░░░░░░░░░ RTTY 18.0% ░▓░░░░░░░░░░░░░ CW 10.8% ░▓░░░░░░░░░░░░░ SSB 8.2% ▓░░░░░░░░░░░░░░ FT4 5.1% ▓░░░░░░░░░░░░░░ Other 0.7%

    Kumoa
  16. uudelleentwiittasi
    29. lokak.

    All gear checked-in 102 kg, 1500W Mosley yagi, verticals, African dipoles, RX antenna, 2 radios, SO2R?, amplifier, special permit to transmit on 60m. All band almost all modes. QRV tomorrow evening. 15 days solo DXped. Hot or cold place? Destination to be announced by RBN

    Kumoa
  17. uudelleentwiittasi
    28. lokak.

    VIDEO: The Storied History of the Ham Radio Callsign - an outstanding short video explaining the entire history of amateur radio callsigns by Mike W7VO. Very much worth watching and learning.

    Kumoa
  18. 22. lokak.

    From Vasily R7AL in Lesotho: "Its terrible weather here - strong winds and rain all the time. Very cold )))) We’ll do our best." Good luck to the 7P team!

    Kumoa
  19. uudelleentwiittasi
    22. lokak.

    VR1-VR3-VR7 callsign list 1947-77 now posted on . Tnx

    Kumoa
  20. 22. lokak.

    7P8RU expedition added to Club Log

    Kumoa

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