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lbaops:lbamar2008:vx014aholog

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Hobart, as I recall, has an ad-hoc setup. In this
one confirms, against a nominally circular radiator, that the two
polarisations coming in are of different polarisations – one
receiving maximum signal and the other nothing. This would put the two
feeds at opposite sides of the Poincare sphere, but not necessarily on
the LHC/RHC poles. Recall that a helix radiates perfect circular
polarisation _only_ at its design frequency (where the circumference
matches the wavelength I think). If this method will be used can have
a new helical antenna made for Hobart? One which is tuned to the 3cm
(8425 MHz) band used, and new – so not beaten up by the Tasmanian
storms.\

lbaops/lbamar2008/vx014aholog.1206440902.txt.gz · Last modified: 2015/12/18 16:38 (external edit)