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Equipment

Chatham Island, New Zealand   44o44’ S x 176o15’ W    Grid AE15ug
IOTA OC-038         CQ zone 32         WFF ZLFF-017

John ZL1BYZ and Mike ZL2CC running on 17M and 20M

 

 

We took 200-300kg of rigs, beams, masts and other equipment to set up 4 stations on the island.  Here are two of the operating positions, manned by John ZL1BYZ (near) and Mike ZL2CC (far):

 

 

Icom NZ logo

ZL2AL TreeHugger Lee

With the kind support of ICOM New Zealand, we ran four ICOM stations.  ICOM loaned us an IC7000 for the trip.  We supplied an Icom Pro, ProII, ProIII and our own IC7000, plus a set of Ameritron amplifiers.

Our antennas were as follows:

  • 160m - inverted-L ~50m long
  • 80m - fullwave loop
  • 40m - fullwave loop
  • 30m - quarter wave vertical
  • 20m - Yagi beam (tribander TH3 mk 4) up at least 8m
  • 17m - Yagi beam homebrew 3 ele up at least 8m
  • 15m - Yagi beam (the tribander)
  • 10m - Yagi beam (the tribander)

30M Vertical going upWayne ZL2WG Analyzing

The wire antennas make use of the tall trees around the QTH, while the beams are on poles.  Here’s the 30m vertical going up (left) and Wayne ZL2WG checking the match on the inverted-L with an antenna analyser (right). 

 

160 matching unit boxHere is the matchbox for the inverted-L antenna for 160m, homebrewed in the field in best DXpedition stylie.

160 matching unit model MnM mk11 300

 

 

 

 

 

 

 

Posers

Below is the 3-element Yagi-Uda beam for 17m perched on its pole.  Relatively few stations use WARC band beams but this probably accounts for the huge pileups we had on 17m.

17M Yagi in position

 

 

 

 

 

 

And finally, here’s the team posing underneath the tribander approximately 10m above ground level.

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