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Best Ionosonde Primer

Discussion in 'Ham Radio Discussions' started by KL7AJ, May 24, 2020.

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  1. KL7AJ

    KL7AJ XML Subscriber QRZ Page

    PU2OZT and N0TZU like this.
  2. PU2OZT

    PU2OZT Ham Member QRZ Page

    Been aware of ionosondes after reading the excellent "Propagation & Radio Science" by Eric P. Nichols, KL7AJ, ARRL, which introduces a whole world of wonders to us. Quite a lots of ionosondes launched in Brazil. Then there is also that expensive software, which we hardly ever hear of in our forums.
  3. WZ7U

    WZ7U Ham Member QRZ Page

  4. N2HUN

    N2HUN Ham Member QRZ Page

    Using an RTL-SDR dongle you can see these ionosondes move across the screen. Note that the frequency on the HDSDR "VFO" has to be subtracted by -125 mHz. The actual span is from 13.7 - 14.7 mHz.

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