Claim of ZL to VE7 amateur LF DX]

Andre Kesteloot andre.kesteloot@ieee.org
Thu, 05 Jul 2001 09:06:16 -0400



Vernall wrote:
> 
> CLAIM OF ZL TO VE AMATEUR LF DX
> 5 July 2001
> 
> On Saturday 30 June ZL1WB, ZL6QH, ZL3VN, ZL3FJ, ZL3PN, ZL3JE, ZL4OL and
> AX2TAR (VK7ZAL) transmitted test signals in the 160 - 190 kHz band, for
> so-called trans-Pacific tests.  Various DX listeners had prior knowledge of
> the schedule of individual test frequency and coding used by each station.
> 
> Steve VE7SL, located on Mayne Island, some 40 km northwest of Victoria,
> British Columbia, managed to capture some interesting signals using an Icom
> IC-R75 receiver along with a PC with sound card, running Argo software.
> >From an analysis of the screen capture, it is claimed that VE7SL received
> and positively identified signals from ZL6QH (operators were Andrew ZL2BBJ
> and Bob ZL2CA).  It is also very likely that signals were received from Mike
> ZL4OL, but co-channel interference made the result too indistinct to obtain
> positive identification of coding.  The propagation opening was around VE7
> sunrise time.  The path length from the ZL6QH transmitter, at Quartz Hill,
> near Wellington, New Zealand, is estimated as being 11,709 km.
> 
> A three page WORD file, an Argo screen capture and a graphic of the VE7SL 10
> foot loop receiving antenna can be privately emailed to those who request
> copies.
> 
> Bob Vernall ZL2CA
> Organiser of the Trans-Pacific tests