[time-nuts] 60 KHz Receiver

paul swed paulswedb at gmail.com
Tue Oct 5 16:59:47 EDT 2010


Well crazy as it sounds if you are at 100 KC you might just want 1 loran
tower in a chain or even fewer. You only need 1 station not 3. Timing rcvrs
worked on one signal.


On Tue, Oct 5, 2010 at 4:46 PM, <shalimr9 at gmail.com> wrote:

> Not necessarily, on 3 phase systems, you would have to be creative to get
> below .9
>
> You can easily get to .95 with a simple multipulse rectification. Beyond
> that, other than regulatory compliance, you do not gain much efficiency.
>
> I can't imagine these systems running on anything other than 3 phase power.
>
> Didier
>
> Sent from my Verizon Wireless BlackBerry
>
> -----Original Message-----
> From: "J. Forster" <jfor at quik.com>
> Sender: time-nuts-bounces at febo.com
> Date: Tue, 5 Oct 2010 13:37:21
> To: Discussion of precise time and frequency measurement<
> time-nuts at febo.com>
> Reply-To: jfor at quik.com, Discussion of precise time and frequency
> measurement
>        <time-nuts at febo.com>
> Subject: Re: [time-nuts] 60 KHz Receiver
>
> And the Power Factor sucks, so there is a lot less real power being used.
>
> -John
>
> =============
>
> > Ok, but that is no megawatt!
> >
> > Also, most of the transmitters were doing multi duty, handling
> > several chains simultaneously.  That would up the average power
> > proportionately.
> >
> > -Chuck Harris
> >
> > Poul-Henning Kamp wrote:
> >> In message<4CAB888B.4040604 at erols.com>, Chuck Harris writes:
> >>> It is a pulse transmitter.  It makes short bursts of 10 or 12 pulses,
> >>> and then waits one GRI, and then does it again.  I would think the
> >>> actual continuous power draw is around 10Kw.
> >>
> >> http://phk.freebsd.dk/photos/L9007M/dscf0458.jpg.html
> >>
> >> About 50kW for Ei�i (400kW, 9007M)
> >>
> >>
> >>
> >>
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