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Forum: Propagation

Line-of-sight, Skywave, Meteor scatter, Auroral, Sporadic-E, Tropospheric scattering, ducting, enhancement or refraction via inversion layers, diffraction and absorption. Feel free to talk about Propagation here.

  1. Longest DX to date

    Started by MitchellB, Wed 6th Dec 2017 14:51
    100, 15m, 20m, 220, 2m, 40m, amp, antenna, coax, conditions, cw, dipole, dx, ham, ham radio, hf, islands, modes, mw, phone, power, radio, shack, transmitter, wspr
    • Replies: 11
    • Views: 1,157
    Sat 10th Feb 2018, 21:26 Go to last post
  2. First play with WSPR and hit Antarctica !

    Started by dtrewren, Wed 17th Jan 2018 21:12
    • Replies: 4
    • Views: 524
    Thu 18th Jan 2018, 19:58 Go to last post
  3. Unofficial greyline calling frequency

    Started by om1ava, Wed 1st Nov 2017 18:15
    80m, calling, contacts, cq, dx, full, homebrew, ht, licence, modes, net, operating, propagation, qsl, qsos, repeat, repeater, results, ssb, uk, vertical
    • Replies: 6
    • Views: 892
    Thu 2nd Nov 2017, 15:21 Go to last post
  4. Cool WWV

    Started by paul6892, Sun 22nd Oct 2017 15:37
    10mhz, call sign, questions, radio, shack, uk, usa
    • Replies: 4
    • Views: 2,038
    Mon 23rd Oct 2017, 20:47 Go to last post
  5. Thumbs up Band Conditions

    Started by charlie, Fri 13th Oct 2017 01:27
    conditions, cw, ham, ham radio, minimum, mobile, operating, radio, sun
    • Replies: 2
    • Views: 687
    Sun 15th Oct 2017, 20:59 Go to last post
  6. Propagation better when?

    Started by WaveyDipole, Fri 28th Sep 2012 19:23
    2m, 40m, 80m, call sign, cb, cb radio, conditions, contacts, dx, ham, hf, license, memory, mobile, mw, propagation, radio, replies, rsgb, short, solar, success, sun, vhf
    • Replies: 4
    • Views: 6,926
    Fri 13th Oct 2017, 02:10 Go to last post
  7. Dealing with obstacles. Like Mountains.

    Started by apamburn, Wed 18th Nov 2015 04:21
    2015, 220, 80m, antenna, call sign, forum, ground, ham, handheld, hf, license, net, phone, problem, propagation, radios, repeater, repeaters, short, ssb, uhf, vertical, vhf
    • Replies: 6
    • Views: 3,144
    Fri 11th Aug 2017, 19:40 Go to last post
  8. 6 metre DX

    Started by vk2bze, Thu 19th Jan 2017 23:18
    100, 2 metres, arrl, conditions, contacts, distance, dx, free, happy, propagation, qth, results, short, studying, travel, uk, vhf, video
    • Replies: 2
    • Views: 1,354
    Fri 11th Aug 2017, 19:31 Go to last post
    • Replies: 2
    • Views: 1,177
    Fri 11th Aug 2017, 19:28 Go to last post
  9. Blue line in DX MAP

    Started by dougmack, Wed 11th Jan 2017 00:53
    dx, faq, hf, ht, propagation, vhf
    • Replies: 4
    • Views: 1,026
    Fri 13th Jan 2017, 09:41 Go to last post
  10. Transmission near the beach

    Started by KK6YTN, Sat 15th Oct 2016 21:37
    antenna, distance, ground, ham, ham radio, handheld, interference, operating, output, parabolic, portable, power, problem, radio, receiver, system, testing, thoughts, transmitter, usa, video, website, wireless
    • Replies: 12
    • Views: 2,648
    Fri 18th Nov 2016, 21:43 Go to last post
    • Replies: 0
    • Views: 740
    Wed 9th Nov 2016, 10:36 Go to last post
  11. Propagation to Midwest

    Started by cwbuff, Thu 7th Apr 2016 04:07
    100, antenna, antenna tuner, call sign, coax, contacts, cw, digital, dipole, dx, elecraft, ham, hf, ocf, propagation, receiver, system, transceiver, vertical, website, windom, yaesu
    • Replies: 3
    • Views: 2,877
    Fri 8th Apr 2016, 17:51 Go to last post
  12. Question Estimating range of VHF

    Started by Marko55, Fri 30th Jan 2015 20:39
    100, 220, antenna, call sign, call signs, calling, cards, coax, conditions, contacts, cq, cw, digital, digital modes, distance, fm, ground, material, minimum, mobile, modes, motorola, operating, propagation, radio, satellite, software, ssb, system, uhf, vhf, website
    • Replies: 18
    • Views: 10,294
    Mon 7th Dec 2015, 04:28 Go to last post
  13. Beacons

    Started by Sudden, Wed 16th Sep 2015 17:06
    100, 2 m, 70 cm, call signs, conditions, contacts, cw, fm, hf, interference, morse, morse code, net, noise, propagation, psk, radio, radios, receiver, repeater, rtty, short, size, ssb, vhf, website
    • Replies: 5
    • Views: 3,265
    Sat 3rd Oct 2015, 22:24 Go to last post
  14. US Midwestern Propagation

    Started by Operator, Thu 1st Oct 2015 09:41
    antenna, cw, d-star, dc power, digital, drake, dsp, dx, equipment, fm, forum, ham, handheld, hello all, hf, kenwood, led, modes, power, problem, propagation, radio, receiver, rtty, short, shortwave, wire
    • Replies: 6
    • Views: 3,169
    Sat 3rd Oct 2015, 20:14 Go to last post
  15. Anomalous propagation across HF range, 11 August, 2015

    Started by W8BFT, Thu 13th Aug 2015 03:17
    100, 10m, 2015, 20m, antenna, atu, calling, conditions, cw, dipole, dx, hf, iaru, ideas, mobile, mw, network, power, propagation, qso, qsos, qth, radio, short, ssb, sw, vertical
    • Replies: 8
    • Views: 5,679
    Sun 16th Aug 2015, 11:59 Go to last post
  16. How can I calculate the effective sunspot number (SSN)?

    Started by Lasith, Thu 11th Jun 2015 06:05
    • Replies: 3
    • Views: 3,608
    Fri 12th Jun 2015, 03:22 Go to last post
  17. Thumbs up Coverage / Propagation Maps

    Started by GTGallop, Mon 1st Dec 2014 00:37
    free, propagation, radio, repeaters
    • Replies: 1
    • Views: 2,691
    Thu 1st Jan 2015, 21:34 Go to last post
  18. Sunspots and Dxing

    Started by mickyj, Sun 9th Nov 2014 23:04
    100, ham, ham radio, hello all, hf, image, images, radio, short, size, solar, sun, sunspots, video
    • Replies: 2
    • Views: 6,565
    Tue 25th Nov 2014, 22:06 Go to last post

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