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Propagation lately
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N9FB
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14
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23167
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October 17, 2015, 06:09:06 AM
by KD8TUT
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What's Up with "G1"?
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N4MU
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4
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12082
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December 09, 2015, 10:33:09 AM
by N4MU
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The Miracle Of Field Day !!
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AC5UP
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8
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50819
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December 15, 2015, 08:09:21 PM
by AD5TD
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Exploring signal path reciprocity for shortwave communication
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SM0BRF
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0
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4483
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December 16, 2015, 11:32:50 AM
by SM0BRF
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Beacon on 7039.3 Sending "F F F F F F ....."
« 1 2 »
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JS6TMW
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17
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69949
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December 23, 2015, 04:44:34 AM
by N4MU
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Propagation Handbooks
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N8PWE
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11
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36663
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December 29, 2015, 10:15:49 AM
by G3YWX
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Archived Daily Propagation Indices
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W2LO
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2
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7198
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January 08, 2016, 03:51:22 PM
by W2LO
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Disparity -- HF Band Conditions
« 1 2 »
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KG7FIU
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15
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29793
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January 08, 2016, 08:08:01 PM
by JS6TMW
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Good DX condx finally
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JS6TMW
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0
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4112
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February 01, 2016, 12:54:53 AM
by JS6TMW
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K9LA: The Development of the Model of the Ionosphere
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WA2ONH
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0
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3238
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February 02, 2016, 05:16:37 PM
by WA2ONH
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When your signal drops to nada in the middle of a QSO
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KJ6ZOL
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8
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27849
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February 09, 2016, 08:33:26 AM
by KC2QYM
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VHF/UHF ducting
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W8JX
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1
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11916
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February 21, 2016, 02:59:19 PM
by WD4ELG
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What's going on today?
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JS6TMW
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1
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5710
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March 08, 2016, 08:50:14 AM
by N3QE
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Ultra-high Definition (4K UHD) Timelapse of Sun, 2015
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NW7US
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0
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3226
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March 17, 2016, 06:12:43 PM
by NW7US
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Can anyone ID the QRM here?
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AE5X
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2
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10220
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March 21, 2016, 11:19:52 AM
by KC9V0
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Refraction explained from a 'different angle'
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N6AF
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0
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2785
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April 03, 2016, 07:22:17 AM
by N6AF
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SN 12
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N6PG
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2
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14067
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April 08, 2016, 02:03:12 PM
by N6PG
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Thirty Minutes of Dazzle: Video -- Our Sun in 30 Minutes
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NW7US
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0
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1994
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April 15, 2016, 12:39:38 PM
by NW7US
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Gravitational Wave Detected, but not likely to give hams a new band
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WA2ISE
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25
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37315
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April 19, 2016, 01:40:59 PM
by KD8TUT
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Proplab Pro 3 ionospheric ray tracing program
« 1 2 »
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KL7AJ
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21
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17236
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April 21, 2016, 07:46:00 PM
by NK7Z
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Locked Topic
Sticky Topic