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Showing posts from July, 2018

High MUF

6m 4m back to normal

TimestampCallMHzSNRDriftGridPwrReporterRGridkmaz 2018-07-25 23:14  PA0O  5.366164  -21  0  JO33hg  1  DP0GVN  IB59uh  13835  186  2018-07-26 02:36  PA0O  1.838064  -26  0  JO33hg  1  DP0GVN  IB59uh  13835  186  2018-07-25 23:44  PA0O  5.366165  -24  0  JO33hg  1  DP0GVN  IB59uh  13835  186  2018-07-26 01:44  PA0O  5.366165  -20  0  JO33hg  1  DP0GVN  IB59uh  13835  186  2018-07-26 00:58  PA0O  5.366164  -21  0  JO33hg  1  DP0GVN  IB59uh  13835  186  2018-07-26 02:12  PA0O  5.366165  -19  0  JO33hg  1  DP0GVN  IB59uh  13835  186  2018-07-26 03:22  WA1NGH  1.838100  -26  0  FN31  5  PA0O  JO33hg  5818  48  2018-07-26 03:26  WA1NGH  1.838100  -24  0  FN31  5  PA0O  JO33hg  5818  48  2018-07-26 03:18  WA1NGH  1.838100  -23  0  FN31  5  PA0O  JO33hg  5818  48  2018-07-26 03:10  KB2DTT  1.838114  -24  0  FN23  5  PA0O  JO33hg  5793  49  2018-07-25 22:10  EA8BFK  28.126111  -20  0  IL38bo  5  PA0O  JO33hg  3213  26  2018-07-25 23:14  PA0O  5.366174  -3  0  JO33hg  1  EA8BFK  IL38bo  3213  22…

23 July 50MHz last day of super ES?

SPACEWEATHER   23 JULY

                                               9K2YM  70.154Mhz  a.t.new

Trans Atlantic. beacon copy by  CT1HZE          70005.0  WG2XPN/B    2016Z 23 519 3xEs!
That  beacon should be in FT8 window 70.154..




many USA calls copied XE2OR  1x only here not workable
I tried 50.107 classic CW CQ  the  former.. DX part of 6m  was very quiet
 during the best of the opening  2 weak USA responding
2018-07-23 13:53N4ASF50107.00CW519519Kfm27do
2018-07-23 14:05K4SN50107.00CW529559Kel96dc





21 July 6m band open to Thailand

All time new   HS at 50MHz never seen before  Thailand  since QRV  last 3 solar cycles...


                                          Psk reporter map very nice but not all dx is shown f.i. XE is not shown
Do not go out for dinner if you don't want to miss the rare good openings
2nd time away for dinner while XE2OR was copy'd

But later in evening 6m opened again to USA
XE2OR in DL98ok !  decoded  working OZ   DL grid heard only one time before over 30 years ago
in USB  in solar cycle 23 i think it was

later  again heard
205345 -11 0.2 2007 ~ PA0O N0LL RR73
205400 Tx 2426 ~ N0LL PA0O 73 205415 -17 0.1 2201 ~ OZ2PBS XE2OR -18
205432 Tx 2426 ~ XE2OR PA0O JO33 205435 Tx 2426 ~ XE2OR PA0O -17 205500 Tx 2426 ~ XE2OR PA0O -17 205445 -17 0.1 2201 ~ OZ2PBS XE2OR -18
205530 Tx 2426 ~ XE2OR PA0O -17 205600 Tx 2426 ~ XE2OR PA0O -17 205630 Tx 2426 ~ XE2OR PA0O -17 205700 Tx 2426 ~ CQ D…

cheap genuine RD15HVF1 do'nt exist

on eBay or UTsource (above)   its all fake UT source did refund
 left is the genuine a bit smaller then the TO220 IRF stamped as RD15HVF1
The original RD15xx types have a small Gate to source C ca 80pF and the source at pin 2
The fake have high gate - C  this one 800-900pF  and its source is pin 3 like all IRF -types
The IRF510 has the lowest gate capacity of about 400pF the best of the rest

Misubishi's   RD15HVF1 is an  UNIQUE  VHF power FET.
With its Source at pin2 = cooling flange,  the only right  place of course
No other manufacturers deliver comparable divices.
It must be hard to produce. The eBay offered types are all fake cheap IRF5xx imitations in fact fraude.
The RD15xxx is relative expensive for a small FET  5-7€  from vendors that will easy take 50$ or more for shipment.
Not sold by  Farnell Digi Key Reicheld  and Mouser
In RF high power FET segment there is plenty of choice  but   it's crisis in HF VHF  medium power land. The classic bipolar RF me…

6M opening 14 July / WSPR still running at night

This afternoon 14 July i saw this remarkable  spot
151700 -9 0.0 2100 ~ XE2JS SP3E JO72   XE2JS is in DL68 !
 but we had to go out for dinner 
6m DX typical happens around dinner time
I thought to be smart and let the rig at 50313 with Teamviewer for remote control
But the always working remote Teamviewer access  now was broken
 Typical internet/ network it seems to refuse to work when it is needed

strong reports from DL but here zero XE2JS
at first no DX copied but later some USA in Golf area came in my QTH

153630 -13 -0.2 1428 ~ XE2JS DL7CM JO62
153700 -11 -0.2 1428 ~ XE2JS DL7CM JO62
153700 -16 -0.1 1878 ~ XE2JS DK2EA -05
153730 -18 -0.1 1878 ~ XE2JS DK2EA -05
153900 -16 -0.1 1692 ~ CQ DX DK2EA JO50   Germany 153930 -7 0.2 950 ~ CQ DX DL8YHR JO41  ~Germany 153930 -16 -0.1 1692 ~ CQ DX DK2EA JO50   Germany 154030 -4 0.2 946 ~ CQ DX DL8YHR JO41  ~Germany 154100 -19 0.3 876 ~ CQ DX DL8YHR JO41  ~Germany
154230 -17 0.3 592 ~ XE3N DL8YHR JO41
154230 -13 0.1 2152 ~ G4OBK…