[time-nuts] Freestanding mast

Steve Rooke sar10538 at gmail.com
Tue Sep 7 06:08:31 UTC 2010


Well, Steve has been experiencing a LOT of after-shocks, some of which
are still big enough to move things around and I found I had to grab
hold of my cup of tea to stop it shaking onto the floor last night. In
fact these after-shocks are still opening up new cracks in roads and
causing buildings to fall.

As for my height position, I have run a few surveys but I'm getting
varying readings and I wonder if the after-shocks are messing up the
survey results. The latest one which was during a fairly stable period
was 6.8 MSL.

The mast could have sunk a bit or even this whole area could have done
as I live on reclaimed marsh-land. My Mothers 3 year old house looks
like it has sunk a bit at one and and risen at the other, ie. it looks
like it has tipped slightly as her house is built on a concrete
pontoon.

It wouldn't surprise me if they adjust the height of MSL but I would
have thought they would have moved it the other way in an attempt to
forestall fears of the effects of Global Warming.

Regards from Quake City,
Steve

On 7 September 2010 15:24, Bill Hawkins <bill at iaxs.net> wrote:
> Ah, well, Steve's message didn't appear here.
>
> There are several possibilities:
>
> Steve's mast really did sink 1.3 metres.
>
> His continent really did sink 1.3m.
>
> Some bureaucrat adjusted MSL by 1.3m quietly because it would be
> politically incorrect to admit that the globe was actually warming.
>
> We have some idea of how time is adjusted for GPS. Does anyone know
> how and when MSL is adjusted? I mean, 1.3m is quite a lot.
>
> Bill Hawkins
>
>
> -----Original Message-----
> From: Thomas A. Frank
> Sent: Monday, September 06, 2010 7:57 PM
>
> On Sep 5, 2010, at 8:01 AM, Steve Rooke wrote:
>
>> Meant to add, my Z3805 always used to report that the antenna hight
>> was +7.50m (MSL) but now it is saying +6.20 (MSL), if you believe
>> that.
>>
>> Steve
>
> That might be something worth investigating.
>
> After all, if it's true, that's not a good trend...
>
> Tom Frank, KA2CDK
>
>
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-- 
Steve Rooke - ZL3TUV & G8KVD
The only reason for time is so that everything doesn't happen at once.
- Einstein



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