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DP0POL fantastic receiving in the dark of southpole winter

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again DP0GVN  every day copied ! this time also 80m  not to forget EA8BFK  !
50 spots:
TimestampCallMHzSNRDriftGridPwrReporterRGridkmaz
 2018-07-06 01:24  PA0O  5.366166  -23  0  JO33hg  1  DP0GVN  IB59uh  13835  186 
 2018-07-05 23:10  PA0O  5.366166  -14  0  JO33hg  1  DP0GVN  IB59uh  13835  186 
 2018-07-05 23:36  PA0O  3.594064  -23  0  JO33hg  1  DP0GVN  IB59uh  13835  186 
 2018-07-06 01:04  PA0O  5.366166  -24  0  JO33hg  1  DP0GVN  IB59uh  13835  186 
 2018-07-05 22:48  PA0O  5.366166  -16  0  JO33hg  1  DP0GVN  IB59uh  13835  186 
 2018-07-06 00:38  PA0O  3.594069  -12  0  JO33hg  1  EA8BFK  IL38bo  3213  220 
 2018-07-06 00:22  PA0O  3.594069  -10  0  JO33hg  1  EA8BFK  IL38bo  3213  220 
 2018-07-06 01:24  PA0O  5.366174  -7  0  JO33hg  1  EA8BFK  IL38bo  3213  220 
 2018-07-06 09:10  EA8BFK  28.126152  -17  0  IL38bo  5  PA0O  JO33hg  3213  26 
 2018-07-05 23:36  PA0O  3.594069  -19  0  JO33hg  1  EA8BFK  IL38bo  3213  220 
 2018-07-05 22:10  EA8BFK  28.126150  -24  0  IL38bo  5  PA0O  JO33hg  3213  26 
 2018-07-05 22:48  PA0O  5.366174  -17  0  JO33hg  1  EA8BFK  IL38bo  3213  220 
 2018-07-06 06:44  EA8BFK  28.126154  -21  0  IL38bo  5  PA0O  JO33hg  3213  26 
 2018-07-06 07:44  EA8BFK  28.126152  -7  0  IL38bo  5  PA0O  JO33hg  3213  26 
 2018-07-06 01:04  PA0O  5.366173  -17  0  JO33hg  1  EA8BFK  IL38bo  3213  220 
 2018-07-06 02:22  PA0O  3.594070  -7  0  JO33hg  1  EA8BFK  IL38bo  3213  220 
 2018-07-06 00:38  PA0O  3.594075  -29  0  JO33hg  1  RT2T  LO26dd  2410  67 
 2018-07-05 23:36  PA0O  3.594075  -12  0  JO33hg  1  RT2T  LO26dd  2410  67 
 2018-07-05 23:36  PA0O  3.594076  -5  0  JO33hg  1  RX3AOM-W  KO97gp  2049  63

8 June 50MHz FT8

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Sunday   6m  found open to USA  south
 long time Florida and Texas HAMs could be decoded

PSK reporter also gives station information
i guess this is derived from LOTW upload
my antenna is given a 120cm dish 
my 6m antenna is a 7 ele  home made  DK7ZB  v-dipole

4m 5 ele + 2m 7ele  duoband
 1m20 dish  with at the feeder  23cm transverter 30W

deepest into USA W1KSZ DM41px

Rx at Sun, 08 Jul 2018 15:56:44 GMT
From PA0O by W1KSZ Loc DM41px
Frequency: 50.313.517 MHz (6m), FT8, -15dB
Distance: 5456 miles bearing 309°
Using: WSJT-X v1.9.1 r8747
and

Rx at Sun, 08 Jul 2018 15:47:44 GMT
From PA0O by W0MU Loc DM79om80
Frequency: 50.313.618 MHz (6m), FT8, -12dB
Distance: 4839 miles bearing 310°
Antenna: 5 ele SteppIR 70 ft

Rx at Sun, 08 Jul 2018 15:58:14 GMT
From PA0O by ZF1EJ Loc EK99ig45
Frequency: 50.313.559 MHz (6m), FT8, -13dB
Distance: 8165 km bearing 280°
Using: WSJT-X v1.9.1 r8747
Antenna: 6 EL BOOMER @ 40'

VQ5Z Providenciales Island, Turks and Caicos Islands. DX News

213415 -20 0.3 1452 ~ CQ VQ5Z FL31   Turks & Caicos Is.
  = VP5
Rx at Sun, 08 Jul 2018 16:17:44 GMT
From PA0O by VQ5Z Loc FL31
Frequency: 50.313.560 MHz (6m), FT8, -16dB
Distance: 7427 km bearing 275°

Rx at Sun, 08 Jul 2018 17:08:44 GMT
From PA0O by VP9NM Loc FM72ng
Frequency: 50.313.540 MHz (6m), FT8, -16dB
Distance: 5999 km bearing 277°
Using: WSJT-X v1.9.1 r8747


This weekend we at PI4GN  had also the Juli VHF UHF R1 contest
activating 70cm 23cm 13cm 9cm 6cm 3cm 1.5cm

I was  planned for 23cm 
2 x 2m dish  independent rotatable Transverter close at the dish feeder
120W 
One week ago several days heard  LA1VHF  JO59 1296.860  OY6BEC  1296.895  GB3EDN 1296.990 
but this weekend no special tropo propagation  sunny bit too cool and strong wind for real tropo ducting

70cm was real good

For 23cm our goal of 100 QSO  was reached

including nice DX   CW  EI9E/P  907km and OM3KII JN88UU  915km  



WSPR still running at night

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TimestampCallMHzSNRDriftGridPwrReporterRGridkmaz
 2018-07-13 23:32  PA0O  5.366166  -21  0  JO33hg  1  DP0GVN  IB59uh  13835  186 
 2018-07-13 22:38  PA0O  5.366166  -28  0  JO33hg  1  DP0GVN  IB59uh  13835  186 
 2018-07-14 01:40  PA0O  1.838064  -23  0  JO33hg  1  DP0GVN  IB59uh  13835  186 
 2018-07-14 02:20  PA0O  1.838064  -23  0  JO33hg  1  DP0GVN  IB59uh  13835  186 
 2018-07-13 22:32  PA0O  5.366166  -27  0  JO33hg  1  DP0GVN  IB59uh  13835  186 
 2018-07-14 01:24  PA0O  5.366166  -25  0  JO33hg  1  W3PM  EM64or  7195  295 
 2018-07-14 02:52  PA0O  5.366166  -26  0  JO33hg  1  W3PM  EM64or  7195  295 
 2018-07-14 01:52  PA0O  3.594064  -24  0  JO33hg  1  N2NOM  FN22bg  5933  294 
 2018-07-14 02:42  PA0O  3.594064  -25  0  JO33hg  1  N2NOM  FN22bg  5933  294 
 2018-07-13 22:10  EA8BFK  28.126118  -20  0  IL38bo  5  PA0O  JO33hg  3213  26 
 2018-07-13 21:44  EA8BFK  28.126118  -17  0  IL38bo  5  PA0O  JO33hg  3213  26 
 2018-07-13 23:16  PA0O  3.594075  -20  0  JO33hg  1  RT2T  LO26dd  2410  67 
 2018-07-13 23:14  PA0O  3.594075  -19  0  JO33hg  1  RT2T  LO26dd  2410  67 
 2018-07-13 22:46  PA0O  3.594075  -22  0  JO33hg  1  RT2T  LO26dd  2410  67 
 2018-07-14 00:12  PA0O  3.594075  -18  0  JO33hg  1  RT2T  LO26dd  2410  67 
 2018-07-14 00:12  PA0O  3.594064  -11  0  JO33hg  1  RX3DHR  KO94ks  2095  72 
 2018-07-13 23:16  PA0O  3.594064  -11  0  JO33hg  1  RX3DHR  KO94ks  2095  72 
 2018-07-13 22:48  RX3DHR  3.594170  -2  0  KO94ks  2  PA0O  JO33hg  2095  279 
 2018-07-13 22:46  PA0O  3.594064  -13  0  JO33hg  1  RX3DHR  KO94ks  2095  72 
 2018-07-13 23:14  PA0O  3.594064  -14  0  JO33hg  1  RX3DHR  KO94ks  2095  72 
 2018-07-14 01:52  PA0O  3.594065  -23  0  JO33hg  1  RX3DHR  KO94ks  2095  72 
 2018-07-14 02:38  RX3DHR  3.594171  -22  0  KO94ks  2  PA0O  JO33hg  2095  279 
 2018-07-13 23:52  RX3DHR  3.594170  -9  0  KO94ks  2  PA0O  JO33hg  2095  279 
 2018-07-14 00:14  RX3DHR  3.594170  -2  0  KO94ks  2  PA0O  JO33hg  2095  279 
 2018-07-14 01:42  RX3DHR  3.594170  -11  0  KO94ks  2  PA0O  JO33hg  2095  279 
 2018-07-14 01:52  PA0O  3.594079  -1  0  JO33hg  1  RX3AOM-E  KO97gp  2049  63 
 2018-07-13 23:16  PA0O  3.594079  +3  0  JO33hg  1  RX3AOM-E  KO97gp  2049  63 
 2018-07-13 22:46  PA0O  3.594078  +1  0  JO33hg  1  RX3AOM-E  KO97gp  2049  63 
 2018-07-13 23:14  PA0O  3.594079  +2  0  JO33hg  1  RX3AOM-E  KO97gp  2049  63 
 2018-07-13 23:14  PA0O  3.594079  -22  0  JO33hg  1  SV8RV  KM07ks  2042  142 
 2018-07-14 02:42  PA0O  3.594078  -26  0  JO33hg  1  SV8RV  KM07ks  2042  142 
 2018-07-14 01:52  PA0O  3.594077  -24  0  JO33hg  1  SV8RV  KM07ks  2042  142 
 2018-07-13 22:46  PA0O  3.594078  -19  0  JO33hg  1  SV8RV  KM07ks  2042  142 
 2018-07-14 00:12  PA0O  3.594078  -21  0  JO33hg  1  SV8RV  KM07ks  2042  142 
 2018-07-13 23:10  PA0O  1.838074  -20  0  JO33hg  1  SV8RV  KM07ks  2042  142 
 2018-07-13 23:16  PA0O  3.594079  -23  0  JO33hg  1  SV8RV  KM07ks  2042  142 
 2018-07-14 01:12  RX3AOM  3.594061  -14  0  KO86  1  PA0O  JO33hg  1956  272 
 2018-07-14 01:42  RX3AOM  3.594062  -21  0  KO86  1  PA0O  JO33hg  1956  272 
 2018-07-14 00:54  RX3AOM  3.594061  -12  0  KO86  1  PA0O  JO33hg  1956  272 
 2018-07-13 23:42  RX3AOM  3.594061  -11  0  KO86  1  PA0O  JO33hg  1956  272 
 2018-07-14 00:42  RX3AOM  3.594061  -11  0  KO86  1  PA0O  JO33hg  1956  272 
 2018-07-13 22:48  RX3AOM  3.594061  -14  0  KO86  1  PA0O  JO33hg  1956  272 
 2018-07-14 01:30  RX3AOM  3.594062  -15  0  KO86  1  PA0O  JO33hg  1956  272 
 2018-07-13 23:30  RX3AOM  3.594061  -9  0  KO86  1  PA0O  JO33hg  1956  272 
 2018-07-14 00:44  PA0O  5.366164  -4  0  JO33hg  1  TF1MT  HP93vs  1923  318 
 2018-07-14 02:20  PA0O  1.838064  -24  0  JO33hg  1  TF1MT  HP93vs  1923  318 
 2018-07-14 01:40  PA0O  1.838064  -20  0  JO33hg  1  TF1MT  HP93vs  1923  318 
 2018-07-14 02:30  PA0O  1.838064  -26  0  JO33hg  1  TF1MT  HP93vs  1923  318 
 2018-07-13 23:44  PA0O  5.366164  -5  0  JO33hg  1  TF1MT  HP93vs  1923  318 
 2018-07-13 23:54  TF1MT  5.366202  -17  0  HP93vs  1  PA0O  JO33hg  1923  11

cheap genuine RD15HVF1 do'nt exist

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                on eBay or UTsource (above)   its all fake
 left  genuine bit smaller then the TO220 IRF stamped as RD15HVF1

Misubishi with the RD15HVF1 offers 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 since the eBay offered types are all fake cheap IRF5xx imitations in fact fraude.
And relative expensive for a small FET  5-7€  from vendors that will easy take 50$ or more for shipment. 
You might say it's crisis in HF VHF  power land..

Claims van de DAC 1296 MHz 3e dinsdag contest van 2018-07-17 17:00UTC tot 2018-07-17 21:00UTC. Uiterlijke inleverdatum van de logs is tot en met 2018-07-24!

1.3 GHz
SectieCallsignLocQSOstot kmkm/QSOLoc BonusTotal PointsCall Best DXLoc Best DXAfstandPowerAntenneLogStatusMaps
HP03
PA0TJO33JC2486363601717136SM6VTZJO58UJ664 km100
1,2m dish...
EDI
log ontvangen...
map
HP03
PA0SJO21FW2077653881716265OK1KZEJN79FX733 km100
245 cm Dish...
EDI
log ontvangen...
map
HP03
PA0OJO33HG1249214101210921OK1KZEJN79FX652 km30
1m20 dish...
EDI
log ontvangen...
map
HP03
PE1EWRJO11SL1749202891110420OZ3ZJO55BJ616 km100
2*25 el Loopy...
EDI
log ontvangen...
map
HP03
PA0WMXJO21XI124637386109637SK7MWJO65MJ650 km100
1.8m dish...
EDI
log ontvangen...
map
HP03
PH4XJO22QE2117658822176OZ3ZJO57BJ654 km120
9el LFA...
EDI
log ontvangen...
map


21 July 6m band open to Thailand

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



Do not go out for dinner if you do'nt want to miss the rare good openings
2nd time away for dinner while XE2OR was copy'd

later  again
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 DX PA0O JO33
205730 Tx 2426 ~ CQ DX PA0O JO33
205645 0 0.9 1588 ~ PC5C N0LWF EN10
205737 Tx 2426 ~ N0LWF PA0O JO33
205742 Tx 2426 ~ N0LWF PA0O +00
205615 -17 0.2 1365 ~ GM3POI K0CCM DM65
205745 -8 1.0 1587 ~ PA0O N0LWF EN10
205800 Tx 2426 ~ K0CCM PA0O -17
205805 Tx 2426 ~ N0LWF PA0O -08
205815 -9 1.0 1587 ~ PC5C N0LWF -19
205830 Tx 2426 ~ N0LWF PA0O -08


alweer Mexico  en alweer niet thuis..
161745 -14 0.1 594 ~ DL8YHR XE2OR R-19
161745 -9 0.1 716 ~ PC5C WA8R EM89
161745 -9 0.2 1105 ~ G4VPD KB8VAO -15
161745 -19 0.1 1262 ~ CQ WZ8DX EM79  ~U.S.A.
161745 -7 0.1 2027 ~ HA8CE K8MFO -18
161745 -15 0.1 2109 ~ PC5C K1LT 73
161800 9 0.0 494 ~ K1LT PC5C 73
161800 1 0.1 1648 ~ XE2OR DL8YHR RRR
161815 -15 0.1 594 ~ DL8YHR XE2OR R-19
161830 9 0.1 494 ~ WA8R PC5C -11
161830 -3 0.1 1640 ~ XE2OR DL8YHR RRR
161830 -12 0.0 2380 ~ K8MFO DM5EE -12
161845 -10 0.1 593 ~ DL8YHR XE2OR 73
161900 9 0.0 494 ~ WA8R PC5C -11
161900 -3 0.1 2378 ~ K8MFO DM5EE -12
161915 -14 0.1 594 ~ DL8YHR XE2OR 73
161930 9 0.1 494 ~ WA8R PC5C -11
161930 -23 0.5 1879 ~ CQ DX UT4UEP KN49  ~Ukraine
161945 -12 0.2 868 ~ CQ ON4VT JO21  ~Belgium

162000 7 0.0 494 ~ CQ DX PC5C JO33  ~Netherlands

23 July 50MHz last day of super ES?

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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





6m 4m back to normal

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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  220 
 2018-07-25 23:44  PA0O  5.366174  -26  0  JO33hg  1  EA8BFK  IL38bo  3213  220 
 2018-07-26 00:28  PA0O  1.838067  -27  0  JO33hg  1  EA8BFK  IL38bo  3213  220 

High MUF


50MHz 3 August

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very long opening
 FG8OJ  and WP4G  almost continue over 12 hours 
around midnight 6m was more like 20m




4 August 6m was this the biggest "es" opening 2018?

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weeks of tropical temperatures   30C+
and today again very sunny it cooled down a bit yesterday
Strange thing is in the evening no extra tropo propagations like we had over a month ago

not copied LA8VHF  144.480  or LA1UHG 1296.860 last month
when i check all VHF UHF beacons are normal and no tropo dx was reported in N-W EU

 6m keeps on going especially 50.313 is buzzing

   in good old  CW  only 4 DX QSO   against 100+ in FT8





HK3W  ODX last night    2nd night in a row that 6m was wide open


My antenna   7 ele 9m boom 21m a.g. and location is not bad  low noise  except to north were Solar Edge ads  10 15 dB noise 
 clearly there are  HAM's with stacked antenna's  and better location with no neighbors .

Early evening saw DL and SP massif calling W KP4 HI  and G to HK3W
here nowhere land , I grumbled a bit about that on KST and .. voila sudden the W  KP4 HI popped up .  Grumbling always triggered DX ..

WSPR 50MHz stil alive besides FT8

PSK reporter compared to WSPR 24 hour

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It seems that PSK reporter does not always ads WSPR mode or other modes?
PSK reporter 24hr all bands / modes

WSPR 24hr all bands WSPR  in the same 24 hour

                                         

DAC 432MHz August JO33ii

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without help of KST2ME  but using the contest radio of PI4GN
2 independent  antenna  systems
resulting 61 QSO at 432MHz  between 17:16 and  21:04 UTC
 propagation not very good but high activity
In U.K. as usual very high activity QSO nr 185! given just a few evening hours.
best  DX:  SP2CHY JO94GO   786km       3 QSO >700km


Claims van de DAC 432 MHz 2e dinsdag contest van 2018-08-14 17:00UTC tot 2018-08-14 21:00UTC. Uiterlijke inleverdatum van de logs is tot en met 2018-08-21!

432 MHz
SectieCallsignLocQSOstot kmkm/QSOLoc BonusTotal PointsCall Best DXLoc Best DXAfstandPowerAntenneLogStatusMaps
HP10
PA0OJO33II61212923493337792SP2CHYJO94GO785 km400
2x stack yagi...
EDI
checklog ontv...
map
LP10
PH4XJO22QE2981722821716672SK7MWJO65MJ617 km5
19el LFA...
EDI
log ontvangen...
map
HP10
PA0WMXJO21XI2279713621716471SF6XJO67EH782 km400
2x21+2x19el...
EDI
log ontvangen...
map
HP10
PE1EWRJO11SL3575322151716032G8DMU/PIO94CB459 km100
2*21 el F9FT...
EDI
log ontvangen...
map
HP10
PA4VHFJO32JE1773964351213396SF6XJO67EH673 km100W
21el...
EDI
log ontvangen...
map
LP10
PD4R/PJO23TK153918261119418SF6XJO67EH606 km4
9elm...
EDI
log ontvangen...
map
HP10
PA9CCJO32BH256828421568OZ3ZJO55BJ432 km50.000
23 el LFA...
EDI
log ontvangen...
map
LP10
PA0FEIJO33BC2683421068PA0OJO33II48 km5
19 el...
EDI
log ontvangen...
map


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180814;2104;G4CLA;1;59;061;59;185;;IO92JL;540;;;;


ZL4OL at 60M

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Saturday First time saw ZL4OL again
The Stanag QRM signal 9+60 at exact 5.320
Jamming the "ZL" channel in begin 2018 is gone fttb.

Sunday morning  FT8  incredible  it looked like  no signal in the band ..




045900 13 -0.5 1943 ~ CQ SP9CVY JN99  ~Poland
054145 -18 0.2 1192 ~ CQ ZL4OL RE54   New Zealand
060315 -19 0.1 1192 ~ CQ ZL4OL RE54   New Zealand

060445 -20 0.1 1192 ~ CQ ZL4OL RE54   New Zealand

AURORAL enhanced 160m opening

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 2018-08-25 20:40  PA0O  1.838065  -25  0  JO33hg  2  VK2KRR  QF34mr  16351  73 
 2018-08-22 01:44  PA0O  5.366165  -26  0  JO33hg  2  DP0GVN  IB59uh  13835  186 
 2018-08-24 03:18  PA0O  1.838064  -24  0  JO33hg  2  DP0GVN  IB59uh  13835  186

VERON/IARU Region 1 VHF contest 144 MHz

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What can be reached with bare 10W transverter / 7ele

Very high activity !
CW / SSB 
weather looked fantastic for tropo
but Saturday the signals sounded weak "IONO"
 hearing high power stations at top locations but could not be heard

several OK CW/USB  F8KID called many times

at midnight heard some top station at QSO 990!!!

i think in FT8 mode it should work better for me...

some OK said  running 3kW

 I am not a QRP man
No excuse not to have a bit more muscles with all available SS-power amps.
Working on it
10W is nice with good propagation in FT8...


Sunday early morning morning fog  it looks like good tropo
 we still had summer temperatures Friday Saturday
But signals al very normal
last good tropo propagation was end of June

60M DX

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the map shows shortpath over daylight zone
The morning opening shoud be shown over Longpath 

K3 with 144MHz XVTR integrated

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wire soldered at the back of 20pole KIO3 J90
the extra 220R  ready to solder over  C24 lowering the Q factor of L7
This is needed to stop self oscillation of the TX when the K3 top plate is closed..
The XVTR was stable until i closed the top plate (....)
The output then sinks from 10 to 9W no big deal.
Serge UT5JCW of Transverter.store reacted very quick upon my question about this problem.
fb service  fb transverter.

144MHz Band 12V power switch
AND port with inverted input for DIO0
and BAND1 driving IRF9540 12V to XVTR



This is how the 144/28 transverter.store fits into the K3 with 2nd Rx and KXV3
The 144 bandselect  power switch is the smal PCB with 2 leds  using diagram above
If both LEDS are on 12V is switched to the XVTR.
Using ACC external control signals:
Those signals are available at the backside 20pole connector J90 of KIO3 shown at top picture.
pin20 left +5V  yellow
pin18  DIO0     green
pin14 Band1    blue.
pin10  ptt key  purple.
the white-red wire is 12V from the main board. A  soldered single header pin right front at main board as described in the K3 144 XVTR manual.

I could use an Arduino for band switching but i prefer to keep  simple and reliable as possible.
The BAND switch function:
DIO0 is active low for a low power band ie a transverter band  for HF and 6m DIO0 is in high state
It is connected to the inverted input Q1 with pull up 10k. The output of Q1 is high when a XVTR low power band is selected.
BAND1 is connected to Q3 with XVTR address: trn2 BAND1 =+5
I use address trn2 for the 144 internal XVTR 
so for 144MHz Q1 is off hence Q3 is on
Q2 is on by BAND1 BCD
When both AND inputs are high  the output of Q2 is low making P-ch fet Q4 on
12V is conected to the 144 XVTR only when DIO0=low and BAND1=high

Trn1 / BAND0  is for the the external 4M XVTR  no function yet.

Before this auto band switch  I had to switch manual. Therefore top plate had to be open  to remove or plug the 12V into the main board.
I believe the newer K3 do have  XVTR 12V terminals my K3 is of the first series 1404.

Using a BCD decoder with all  BCD BAND signals and an enable = DIO0  input more BANDS can be addressed DIO0 selects HF+6 or XVTR trn1 - 9  is that case full BAND decoding.
 I needed only the internal 144MHz to be switched in this case.
An Arduino micro  f.i.  can decode BCD to decimal
The arduino nano test showed unwanted switching glitches during band stepping test
The super small ATTINY85 with 6 pins i could not test it since it's USB port is a virtual USB
i needs more software to function


Linuxing with Mint

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This low power Laptop Dell D420 was running W7 and wspr 2.21 for 2 years 24*7
Then i switched it off for some time, the accu pack died
It never did reboot W7 again   new accu pack was received.

I prefer W10 but that will need a faster system
Ubuntu was not stable it lost WLAN randomly
I installed Linux Mint to give it a try
And Mint is nice and stable.
It seems everything works  easier in Mint !
Except the choice off apps

I Installed WSJT-x 1.9.1   the latest Linux version atm
Then the first linux-struggle was to get CAT connected to the IC706

relative easy once you know how it goes..

CAT needs Hamlibs 
install HAMLIB i could do it  so i can not be too difficult
I downloaded and unzipped HAMLIB 3.2
then i followed the install instructions
then if you do it right the screen will scroll for 5minutes at least with the most interesting cryptic text lines telling you in micro seconds about it's doings..
 
next thing is USB-serial Comport add
i use only US232 ftdi chipset USB-serial for W7-64 the only usable ones.
i followed with success  instructions on next page
for a change this page does explane  simply and clear linux busines
https://blog.mypapit.net/2008/05/how-to-use-usb-serial-port-converter-in-ubuntu.html

basically 3 dos-box ..commands are involved
linux mint does detect the USB device instantly on plugin but is silend
you have to ask about detect ports yourself
in the terminal in root type dmesg
to show what USB device is detected by MINT
notice vendor and product nr
Numeric values need 0x prefix ( of course everyone know that its hex code...)

lsusb shows USB info

The USB port should now be attached to tty0  ...
sudo modprobe usbserial vendor=0x4348 product=0x5523  ( example)
modify vendor and product to the values dmesg found


Then the port should be availble for Wsjt-x
always sudo has to be used before you can do anything important in linux
I wonder, is there any use for commands not being super user except the sudo command itself?


 After this the IC706 was online and working stable  WSJT-x 1.9.1
Mint works very nice. Compared with W7 the audio level setting are uncomplicated.
In W7 for some reason adjusting audio input called  recording is not easy.



success!!
passed the  MINT / Linux primary school , time for a beer..

ready for the real thing

Installing  a contest logger in MInt
there seems only one taste , TLF ?
Its functionality looks good

the TLF install  instructions are typical type Linux nerds
cd 
./configure
make
make install


did download and unzip tlf-1.3.0
   before    TLF and  tlf-master i could not use those

i started the terminal in root

and typed cd tlf-1.3.0
./configure

then i got error messages in the script saying missing
commands and curses library missing

install this missing library
sudo apt-get install libncurses-dev
the best way is to google for missing parts
 glib-2.0 missing?? need fix
then  run ./configure again
 
in the end i got it installed i think?
no message that the install was done correct on incorrect
also no word about how to start TLF?
typed tlf    then  another
sudo command was shown,  needed to really! install tlf
But where is the executable in the target folder only
it is not shown in home library

the DOS-TOOL BOX is always needed
 

tlf  
 

than flashhhh
 TLF works in DOS-BOX size only?
Anyway a lot of work and time is spend to develop tlf
thanks developers 

 No call-sign or other settings entry forced or config seen
i have to study help to find how to configure

in linux terms just type something not wrong it and it works..
 
 i try to update/ install compile assemble whatever...
 
a newer version tlf-1.1.5
but GLIB-2.0 is blocking the upload crazy stuff
 all those versions in libraries and commands
What would they say if in W10 a target compile would be needed
for an update of ... explorer 
Al PC's  would be compiling all day.. 
 
i thought linux was so much better.
 
 
 
 
 
 



























10m opens up

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nice opening 28MHz  Sunday evening   FT8 (what else..)


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