LF,

Please see correspondence between G3NYK and G3PAI below.  Perhaps GBR has gone 
/M.

73
John F5VLF

>----- Original Message -----
>From: "John Rabson" <[email protected]>
>To: <[email protected]>
>Sent: 24 May 2004 16:06
>Subject: LF: GBR SK - long live GBR/M
>
>
>> Pages 50-52 of The Journal of the Communications Network for
>> October-December 2003 has an article on "Realising a Quarter Wavelength
>> Vertical Monopole at Low Frequencies - by Balloon". It describes a
>> vehicle-mounted system with a helium-filled balloon capable of supporting
>a
>> 1500m vertical. Operation on the move is not expected.
>>
>> 73
>> John Rabson G3PAI
>>
>
>Hi John, this is not a trivial exercise when you stop to think about it.
>1500feet of wire is quite heavy and you then need the balloon to be big
>enough to lift that weight....plus you need strong enough wire to control
>the balloon a low altitude when it has excess lift. Then there is the CAA
>!!
>I guess you could get a good catch ranging from Microlights up through
>Cesnas, Lears, and probably the odd 737 !!....not to mention the choppers
>that would "wind themselves in"
>
>I may be testing again soon with QRP QRSS.
>
>I hope you and Rosie are keeping well.
>
>Alan.
>[email protected]