John Radcliffe <[log in to unmask]> writes:
> Has anyone any thoughts about Michael Healey's question below ?
>
> ----- Original Message -----
> From: MICHAEL healy
> To: John Radcliffe
> Sent: Tuesday, March 08, 2011 3:32 PM
> Subject: Re: Quotations
>
>
> John – In ‘Wireless’ Mr Cashell speaks of a frequency of ‘two hundred
> and thirty times a second’ – 230 Mhz. This seems a bit exrreme for
> those primitive times. Has anyone commented on this?
230 times a second would be 230 Hz, not Mhz. This does fall in the
'long wave radio' part of the spectrum, but I don't know what the actual
operating frequency of such devices was.
--
Jim Wise
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