On 15/06/2008, at 12:00 PM, [EMAIL PROTECTED] wrote:

Advice on data transfer over shortwave

Well, I have been there - done that (as VK2ZGK in former life).

If and I mean if, your got sufficient power (RF + PSU - not solar unless your got BIG batteries) you can use packet-radio (max 9600 baud = 9.6Kbps max realistically = 800 byte/sec) you can do it. Especially at HF regencies. Anything greater needs UHF and your not going to get the distance unless you do satellite work (70cm Up/2m Down) unless your got more equipment again on top of the usual radio/packet/battery stuff.

For all intention purposes, forget it, and let your friend enjoy their time away from technology IMHO.

Grahame
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