[time-nuts] WWVB 60 kHz Loop Antenna Progress

[paul swed]

Bill what are you asking on the spectracom and model number please?
Regards
Paul.

On Tue, Oct 19, 2010 at 10:14 PM, Bill Hawkins <bill at iaxs.net> wrote:

> As I understand it, 60 KHz information is so slow that phase
> information is critical. Why would anybody use a resonant
> antenna in that situation? The phase shift from day to night
> is more than enough to work around.
>
> I used a non-resonant antenna proposed by John Ackermann
> against Z3801 outputs and got decent results, but not like
> comparing the Z3801 outputs against a Cs standard. John's
> antenna should be in the archives. Just 100 feet of RG-58
> wound on a 4 foot diagonal PVC pipe frame, with the shield
> split at 50 feet, IIRC. Tried resonating it, got unstable
> results.
>
> If you really must work with WWVB, I have a Spectracom 60KHz
> receiver and extras in a Tektronix rack or a Fluke 207 for
> sale at moving sale prices. I never thought there'd be any
> interest.
>
> Bill Hawkins
>
>
> -----Original Message-----
> From: time-nuts-bounces at febo.com [mailto:time-nuts-bounces at febo.com] On
> Behalf Of Bob Paddock
> Sent: Tuesday, October 19, 2010 7:10 PM
> To: Discussion of precise time and frequency measurement
> Subject: Re: [time-nuts] WWVB 60 kHz Loop Antenna Progress
>
> On Tue, Oct 19, 2010 at 7:16 PM, Magnus Danielson
> <magnus at rubidium.dyndns.org> wrote:
>
> > But then again, avoid the issue and go for a black hole antenna
> amplifier.
>
> I've been gathering information on Black Hole Antennas for a while on
> my web site:
>
> http://www.unusualresearch.com/Sutton/sutton.htm
>
> Anyone come across anything new?  Always did want to try one for 60 kHz.
>
> --
> http://blog.softwaresafety.net/
> http://www.designer-iii.com/
> http://www.wearablesmartsensors.com/
>
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