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Effects of extreme Cold air on VHF/UHF transmissions?
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EI4HQ
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3
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25188
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June 11, 2014, 07:43:03 PM
by K9MHZ
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10-12m prop alerts
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WX2S
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3
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14980
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June 03, 2014, 07:52:30 AM
by W4KYR
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Why are 40 and 80 Dead on a Winter Night during Solar Max?
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KA5QMA
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11
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31817
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May 31, 2014, 09:57:41 AM
by KX2T
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Did My Antenna Fall Down?
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K3ZL
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2
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16655
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May 29, 2014, 06:10:54 AM
by N3QE
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what happened ? Paul Hermann's Solar Propagation site
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W5HEH
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8
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19043
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May 27, 2014, 05:03:32 PM
by N0NBH
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What was the best cycle and was 10 meters really open all night long?
« 1 2 3 »
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N9FB
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43
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106893
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May 23, 2014, 06:12:02 AM
by N3IK
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Calculator for number of hops
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AC7CW
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10
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40073
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May 17, 2014, 07:18:39 AM
by AD0AE
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Harvesting Lost Wave Energy From The Air — New Device For Generating Electricity
« 1 2 »
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AE6RQ
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15
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57532
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May 04, 2014, 02:15:01 PM
by WA2ISE
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High sunspot number and lousy propagation
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K6ELE
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4
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15971
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April 23, 2014, 05:25:14 PM
by ZENKI
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Snow and HF
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WX2S
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5
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15701
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April 02, 2014, 01:21:08 PM
by KJ6ZOL
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Noise "spikes"
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NO2A
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9
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23664
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March 23, 2014, 08:18:30 PM
by KA5QMA
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Non-symmetric propagation?
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WX2S
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9
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15032
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March 18, 2014, 03:38:30 PM
by W8JI
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Solar Indexes
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N8PWE
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5
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10662
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February 23, 2014, 10:26:05 AM
by KG8JF
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Grey Line Prop.
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KF5SQB
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6
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20772
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February 21, 2014, 01:39:51 PM
by WB2WIK
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HF lousy
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N4GKS
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11
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15661
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January 21, 2014, 01:13:16 PM
by W6QW
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...is it the worst ???
« 1 2 »
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K0XY
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21
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53642
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January 14, 2014, 09:42:20 PM
by KD8MJR
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Tools, Sources for Propagation Conditions and Predictions
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KA0HCP
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0
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4646
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January 14, 2014, 10:25:54 AM
by KA0HCP
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New Propagation book in the works
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KL7AJ
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3
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11399
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January 08, 2014, 08:28:28 AM
by AD0AE
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SN drops but SFI goes up?
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K6TOP
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4
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11534
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January 06, 2014, 10:11:07 AM
by N3QE
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Tropospheric Ducting
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KK4APV
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6
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32195
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January 01, 2014, 08:25:18 PM
by HURRICAINE
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Locked Topic
Sticky Topic