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LF: strange MF TA propagation last night

To: "[email protected]" <[email protected]>
Subject: LF: strange MF TA propagation last night
From: Rik Strobbe <[email protected]>
Date: Mon, 7 Mar 2016 08:15:09 +0000
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References: <[email protected]> <CAMFjj71u2xcwKYCS_fWvf_5zQqgw5=cF4z3L81sCDY2UR2kR1w@mail.gmail.com> <[email protected]> <7E7DFBB4D102A04DB5ADC88D66628A4A444DD4BF@ICTS-S-MBX1.luna.kuleuven.be>,<[email protected]>
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Thread-topic: strange MF TA propagation last night

I just noticed very strange TA propagation on MF last night:

 

During a very short period (04:40 - 05:02) 3 US stations were copied in southern Germany, but nowhere else in Europe:

 

2016-03-07 04:40 WH2XND 0.475740 -30  0 DM33xt 5 DL4RAJ  JN68kj 9367 33
2016-03-07 05:02 WH2XND  0.475740 -16  0  DM33xt  5  DH5RAE   JN68qv  9352  33
2016-03-07 05:02  WH2XND  0.475740  -22  0  DM33xt  5  DJ0ABR   JN68nt  9346  33
2016-03-07 04:52  WG2XXM  0.475711  -30  0  EM15lj  5  DL4RAJ   JN68kj  8406  40
2016-03-07 05:00  WG2XKA  0.475723  -25  0  FN33lq  1  DL4RAJ   JN68kj  6292  53

 

The signals were partially very strong (up to -16dB) and the 3 EU stations are located close together.

Also the distances are remarkable, up to 9367 km.

Based on WSPRNET data at least a dozen other stations were receiving WSPR in Western Europe at that time, but not a single copy from them!

 

During the same time period one German station was copied in the US:

 

2016-03-07 04:54  DK7FC  0.475682  -26  0  JN49ik  1  WA3TTS/2  EN90xn  6636  298
2016-03-07 05:04  DK7FC  0.475682  -20  0  JN49ik  1  WG2XJM   EN91wr  6557  299
2016-03-07 05:04  DK7FC  0.475684  -17  0  JN49ik  1  WE2XGR   FN31ls  6099  295
2016-03-07 05:14  DK7FC  0.475680  -22  1  JN49ik  1  WG2XKA   FN33lq  5970  297

 

Further there was also some trans Pacific DX:

 

Hawaii-Australia:

 

2016-03-06 10:36  WH2XCR  0.475798  -31  0  BL11je  1  VK2XGJ   QF55jl  8278  222
2016-03-06 15:12  VK4YB  0.475617  -24  -1  QG62ku  5  WH2XCR   BL11je  7597  50
2016-03-06 15:06  WH2XCR  0.475798  -26  0  BL11je  1  VK4YB   QG62ku  7597  227

 

Australia-Japan:

 

2016-03-06 15:08  VK3ELV  0.475775  -27  1  QF33bq  5  JH1INM   PM95iq  8043  354

 

Hawaii-mainland US:

 

2016-03-06 07:58  WG2XKA  0.475724  -28  0  FN33lq  1  WH2XCR   BL11je  7945  282
2016-03-06 08:02  WH2XCR  0.475798  -27  -1  BL11je  1  WG2XJM   EN91wr  7413  52
2016-03-06 07:48  WG2XJM  0.475782  -22  -1  EN91wr  5  WH2XCR   BL11je  7413  278
2016-03-06 07:32  WH2XCR  0.475798  -30  0  BL11je  1  SWL/K9   EN61  6844  53
2016-03-06 07:32  WH2XCR  0.475798  -28  0  BL11je  1  WB0VAK   EN34ia  6328  50
2016-03-06 07:58  WG2XWS  0.475792  -19  0  DH89  1  WA3TTS/2  EN90xn  6153  21
2016-03-06 07:58  WG2XWS  0.475652  -23  0  DH89  1  WB0VAK   EN34ia  6144  9
2016-03-06 07:34  WG2XIQ  0.475611  -18  0  EM12mp  5  WH2XCR   BL11je  6030  274
2016-03-06 07:32  WH2XCR  0.475799  -27  0  BL11je  1  WG2XIQ   EM12  6023  65
2016-03-06 07:34  WG2XXM  0.475712  -13  -1  EM15lj  5  WH2XCR   BL11je  6007  272
2016-03-06 07:32  WH2XCR  0.475798  -28  0  BL11je  1  WG2XXM   EM15lj  6007  61

 

73, Rik  ON7YD - OR7T

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