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‘Terminator’ tsunamis on the Sun's surface AA6YQ 0 645 Last post July 26, 2019, 12:51:23 AM
by AA6YQ
Thirty Minutes of Dazzle: Video -- Our Sun in 30 Minutes NW7US 0 1993 Last post April 15, 2016, 12:39:38 PM
by NW7US
GAMBIT F2 Layer Reporting Software AH6GT 0 113 Last post December 08, 2020, 05:46:49 PM
by AH6GT
Something to try: VOACAP Online WA2ONH 0 5143 Last post November 02, 2014, 06:37:14 AM
by WA2ONH
10 meter opening to Argentina a while ago WA2ISE 0 206 Last post January 30, 2021, 03:03:24 PM
by WA2ISE
Solar Eclipse Made Bow Waves in Earth’s ionosphere WA2ISE 0 3905 Last post February 02, 2018, 02:40:36 PM
by WA2ISE
VIDEO: 2021 Propagation Summit Presentation WA2ONH 0 62 Last post January 31, 2021, 07:40:21 AM
by WA2ONH
Opening to Europe from New Jersey on 6m now 20:40 zulu WA2ISE 0 83 Last post May 19, 2021, 01:41:32 PM
by WA2ISE
K9LA ARTICLE: Space Weather Parameters and Propagation WA2ONH 0 178 Last post June 01, 2021, 11:32:42 AM
by WA2ONH
Good News for Sun Watchers K0RS 0 4122 Last post August 22, 2016, 03:49:34 PM
by K0RS
Seeing the Effects of Local Terrain on Radiation Patterns AC6LA 0 95 Last post November 09, 2020, 12:34:29 AM
by AC6LA
Refraction explained from a 'different angle' N6AF 0 2784 Last post April 03, 2016, 07:22:17 AM
by N6AF
Ultra-high Definition (4K UHD) Timelapse of Sun, 2015 NW7US 0 3225 Last post March 17, 2016, 06:12:43 PM
by NW7US
NCDXF Beacon/Faros Users N4SRN 0 4739 Last post May 23, 2015, 05:55:01 AM
by N4SRN
Watch: Biggest So Far in 2015, an X2.7 X-ray Flare NW7US 0 7469 Last post May 10, 2015, 11:29:33 PM
by NW7US
Video: Last 5 Years of the Sun, Seen by SDO / NASA NW7US 0 7396 Last post April 22, 2015, 08:03:34 AM
by NW7US
Exploring signal path reciprocity for shortwave communication SM0BRF 0 4482 Last post December 16, 2015, 11:32:50 AM
by SM0BRF
80 meters was excellent last night! ONAIR 0 1076 Last post December 12, 2018, 05:22:42 PM
by ONAIR
MOVED: Advice for a new tower and antennas about to be selected N2MG 0 128 Last post July 28, 2020, 08:32:16 AM
by N2MG
Good DX condx finally JS6TMW 0 4111 Last post February 01, 2016, 12:54:53 AM
by JS6TMW
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