jt6m.org     2007 4M JT6M Challenge Results A guide to using JT6M
2007 4M JT6M Challenge Results
2007 4M JT6M Challenge Results
Click on callsign to see full grid list
PositionCallTotal Grids
1G7CNF69
2S51DI26
3LA4ANA25
 SP9HWY25
4OZ1DJJ24
5DL3YEE20
6OZ3ZW13
7OZ2LD12
8G1OAR11
9CT1FFU9
10SK0CT6
11MM0DQP5
12CT1FJC4
13PC7M1
 OZ5AGJ1
Zero score entries not shown
  • 4M Winner - G7CNF IO81re - 69 Grids worked.
  • 4M Xband Joint Winner - LA4ANA JO59cu - 25 grids worked.
  • 4M Xband Joint Winner - SP9HWY JO90nh - 25 grids worked.
  • Summary
    The 4M JT6M Challenge was new for 2007 and proved to be quite a challenge for some !! Out of 22 registered entrants, 15 entered a score. Activity was not as good as had been expected with 252 QSO's logged. The special 4M licence's issued in DL, LA, HA, I, IS0 and CT helped increase the activity. The Xband (4M-6M) entries enjoyed some interesting contacts.
  • Total Entries (scoring) = 15
  • Total Grids worked = 69
  • Total QSO's entered = 252
  • Total Unique calls worked = 87
  • Total Countries Worked = 26
  • Total 6M (Xband) calls = 14 (from 10 countries)
  • Best DX - G7CNF IO81re <> SV2DCD KN00nf = 2194km
  • For full list of 4M grids/stations worked click here
4M Countries/Stations worked   Xband 6M-4M Countries/Stations worked
9A 1   CT 1
CT 4   DL 1
DL 2   EA 1
EI 3   F 1
G 13   LA 1
GD 1   OE 1
GI 1   OJ 1
GM 7   PA 4
GU 1   SM 2
GW 3   SP 1
HA (70M) 2  
I 12   Top Grids Worked
IS0 1   IO81 14
LA 1   IO90 12
LX 1   JO03 11
OY 3   JO54 11
OZ 11   IO85 8
S5 4   JN76 8
SV 1   JN86 8
  • 4M Winner - G7CNF IO81re - 69 Grids worked.

Click on image to enlarge
Nige's total grids worked was 69 in 24 countries, 8 of which were Xband 4/6M.
Best DX was SV2DCD @ 2194km (IO81re <> KN00nf).

Nige commented "My station varied over 2007 as I experimented with a range of radios used in combination with different transverters, antennas and output power, as I tried to combat the increasing nose floor. The second half of the year my station remained unchanged with an FT-2000, DB6NT 4m transverter and a HB YU7EF 7 element yagi. The maximum output used was legal limit (160w) but often as little as 1w was used."
  • 4M Xband Joint Winner - LA4ANA JO59cu - 25 grids worked.

Click on image to enlarge
Robert's total grids worked was 25 in 12 countries.
Best DX was IW0FFK @ 2018km (JO59cu <> JN61fs).
A last minute QSO with LX1JX enabled Robert to draw equal with Jurek !

50MHz: Yaesu FT897D transceiver (100 Watt out) and a 5 el short boom Vargarda yagi (10m AGL)
70MHz: Icom PCR1000 receiver and a 3 el homemade YU7EF yagi (11mAGL)
WSJT v5.9.6 running on a Dell Latitude D610 laptop PC.

Robert's QTH is in the middle of a valley with mountains up to 8 degrees elevation to the East and West.
  • 4M Xband Joint Winner - SP9HWY JO90nh - 25 grids worked.

Click on image to enlarge
Jurek's total grids worked was 25 in 10 countries.
Best DX was MM5AJW @ 1690km (JO90nh <> IO88ki).

4M RIG: home made TRX 144 MHz + hm transverter (BF966s front; QN75601 Schottky.mixer)
6M RIG: home made TRX 144 MHz + hm transverter (BF966s front; IE500 mixer, 2W out) + PA (home made) 80W (QQE06/40)
ANT 4M : (home made) YU7EF (EF0406WL1) 6el - 4,2m boom; 2,5m over roof 15m coax 50ohm
ANT 6M : (home made) 7el Yagi - 6m boom; 3,5m over roof ; 15m coax 75ohm
 
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