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ZL9A Antipodes Islands Report

The Antipodes Island project was carried out through a partnership with the Department of Conservation (DoC) of New Zealand. Our team of four (Cezar, VE3LYC; Craig, VK5CE; Stan, SQ8X; and Bob, KD1CT) received the permission to land and operate two radio stations for a period of four days.

ZL9A Antipodes Islands Team
Team ZL9A with Bob (ZL2CA), second from the left, before leaving Dunedin.

While we covered the transportation cost for a 6-member DoC crew and a lot of building materials they had to bring on the island, we have benefited from their on-site logistics, including being allowed to operate from the Castaway Depot, using their generators, batteries, etc. The team met in Invercargill on January 2, underwent an in-depth quarantine the next day, and boarded on January 4, in Dunedin, the 82-ft yacht Evohe, operated by a crew of five.

ZL9A Antipodes Islands Evohe ship

Sailing to the island took under two and a half days, while the return almost three days. Both voyages were hard on some of the team members, particularly the return.

ZL9A Antipodes Islands View

ZL9A Antipodes Islands Building

With the help of Bob, ZL2CA, the team was able to secure the special callsign ZL9A for this operation. Between January 6, 23:49 UTC and January 10, 17:10 UTC, ZL9A made 8648 QSOs with 5476 unique stations in 101 DXCC, of which 69% in SSB and 31% in CW. The equipment used included Icom IC-7000 transceivers, one amplifier, and vertical wire antennas.

ZL9A Antipodes Islands Vertical antennas

In order to maximize the number of unique stations logged, we decided to use the high power station on 20 m SSB for as long as the band would stay open, while the other station moved around during the day, and stayed on 30/40 m at night. Additionally, we operated only SSB on 10 and 20 m, and only CW on 30 and 40 m, with a mix of SSB and CW on 15 and 17 m. I ended up making all our CW contacts. The log includes 37% QSOs with EU, 32% with AS, 22% with NA, almost 7% with OC and 2% with SA, and less than 1% with AF.

ZL9A Antipodes Islands Crew

ZL9A Antipodes Islands QRV

ZL9A Antipodes Islands Generators

The weather changed quickly and frequently on the Antipodes. During our third day on the island we were hit by severe winds and heavy rain. In order to change bands, the antennas had to be taken down and the wires got easily entangled in the 1.5-2 m tall grass. Some radials broke, and repairing them was very challenging, since the cold temperature and wind wouldn’t allow our electrical soldering iron to get sufficiently hot to ensure a proper job.
ZL9A Antipodes Islands Assembly repair of antennas

Luckily, the DoC team had a gas heated one, which helped with antenna repair work. We studied the propagation to various parts of the world in advance, and as such we identified very early into the operation problem areas we needed to focus on, such as Southern Europe. The top DXCCs by numbers of contacts in the log were JA (2518), K (1759), UA (502), DL (471), and VK (261), and by number of unique stations K (1296), JA (1116), UA (374), DL (350), and I (184).

From various posts on the DX Cluster, forums, and email messages received, it was apparent that quite a few DXers didn’t read our statements prior to the operation, in which we indicated that we won’t have real-time internet communication on the island, and that all requests should go through Johan, PA3EXX, our pilot station. Moreover, we were completely open about the bands and modes we will be operating on, which were not to include 6, 80 and 160 m, as well as digital modes. As such, it is difficult to understand why various operators kept requesting and awaiting for something we never offered in the first place. Finally, we made well known what equipment we will be able to use, given the limitations set forth by the DoC. We watched carefully band opening conditions and had periodic discussions to ensure that our operators give all regions of the world a fair chance at logging ZL9A.

Unfortunately, it is with deep regret that I have to mention that a small number of operators had deliberately generated interference sometimes on both our transmitting and receiving frequencies. On top of this, on different occasions, Japanese pile-up simply refused to accept the operator’s instructions, thus wasting valuable time. To their credit, our operators remained calm and undeterred, maintaining the general operating plan we designed. I want to thank my partners for ensuring the success of this project with passion, determination, and skills.

ZL9A Antipodes Islands Preparing to leave

By bringing Antipodes Is. on the air, team ZL9A succeeded not only to activate this remote and off limits IOTA group (OC-286) for the first time, but also contribute to the renaming of the ZL9 DXCC entity as New Zealand Sub-Antarctic Islands. The support offered to the DoC has enabled them to be better prepare for the mouse eradication campaign scheduled this coming May, and continue their albatross monitoring and research work. We hope that the amateur radiocommunity will be able to build upon the success of this project and continue to develop its relationship with the DoC. We wish to extend our thanks to the Board of Directors of DoCfor their exceptional support. We remain indebted to Kath Walker for her enthusiasm and tireless effort to establish this partnership. Graeme Elliot is thanked for his technical, on-site support.

We want to express our gratitude to all our group donors, which include GDXF, IREF, TCDXA, ORCA, Chiltern DX Club,, SWODXA, Indexa, Icom Canada, SDXF, Clipperton DX Club, WVDXA, South German DX Group, Danish DX Group, Carolina DXA, Eastern Iowa DXA, Lone Star DXA, SEDXC, EUDXF, Northern Indiana DXA, OHDXF, Oklahoma DXA, Tokyo 610 DX Group, Villamette Valley DX Club, Southeast Michigan DXA, Most Wanted DX, Venus IT (China), Portuguese DX Group, and 599 DXA. We remain indebted to W3AWU, JM1PXG, I1SNW, and ZS1FJ for their extraordinary financial support, to top donors – 5B4AHJ, AB6QM, AD5A, DJ8NK, G3NUG, I2YDX, JA5IU, JF4VZT, JJ8DEN, K0VXU, N4II, N6AWD, N8JV, OE3EVA, OE3SGA, OE3WWB, PA3EXX, PT7WA, SM3DMP, SM3NXS, SM5AQD, SM6CVX, VE7QCR, W1NG, W4ATL, W5BOS, W5PF, W6SZN, WB2YQH, and WC6DX for their exceptional generosity, and to many other stations who helped us offset the huge costs associated with this project.

Cezar, VE3LYC

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