[ICOM] RE: [Yaesu] Progress and internal tuners

John Geiger johngeig at yahoo.com
Thu Sep 14 14:31:37 EDT 2006


But the 756 and 746 are large radios compared to the
FT890/900 and TS440 series.

73s John W5TD

--- Adam Farson <farson at shaw.ca> wrote:

> Hi John,
> 
> With the shrinkage in the size of HF radios, the
> amount of "real estate"
> available for the autotuner has become smaller. The
> T-network components
> have shrunk accordingly, so current autotuners have
> much less tuning range
> beyond their advertised spec of 16 to 150 ohms (VSWR
> = 3:1 max) than their
> predecessors.
> 
> Manufacturers are required only to hold to their
> advertised specs, no more
> and no less.
> 
> Cheers for now, 73,
> Adam VA7OJ/AB4OJ
> 
> 
> 
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