[time-nuts] European Electronics Systems Radio Clock Model 100

[GandalfG8 at aol.com]

Hi Steve,
 
The name EES, or European Electronics Services Ltd, has been used more than 
 once, latest registration appears to be only about a year ago, and might 
well  have been used at one time by Siemens, but I think the company you're 
looking  for is, or was, EES Technology Ltd.
 
This eventually became Time and Frequency Solutions in Witham who were  
taken over a year or so ago by Brandywine Communications in the US. I'm still  
pretty sure that Radiocode clocks were also part of the earlier mix but 
can't  confirm that right now.
 
If checking Companies House records take a look at the filing history  of 
Time and Frequency Solutions here, especially early name changes.....
 
https://beta.companieshouse.gov.uk/company/02627556
 
I've never used my model 100s, not quite sure why just never got round  to 
it, but they seem to have started out as straight MSF receivers, some of  
which at least were sold to the MOD as transportable units in wooden carrying  
cases with mains PSU and battery back up, and the update of these to GPS 
seems  to have been carried out some time later.
The mod included the addition of a separately packaged diecast  box with a 
GPS antenna on top, and containing a Motorola Oncore GPS  module on an 
interface board. I've just checked an antenna unit and it  turns out the Oncore 
module is a UT+, which is a bit more recent than  expected:-)
 
I don't know if the GPS interface provides a stand alone 60KHz signal to  
the EES 100 or whether that was also modified, although I suspect the latter, 
 and don't know either if the "updated" ES100s could also still operate as  
an off air MSF, which may be one reason why I've not used them.
 
Are yours the GPS version or originals?
 
Nigel GM8PZR
 
 
 
In a message dated 14/12/2017 12:47:27 GMT Standard Time, steve at g8ebm.com  
writes:

Nigel

The link to Siemens came from Companies House searches  on the name. 
They reference the link to Siemens and mention Christchurch  as a base
(however that could just have been a registered office for  accounting
purposes and not the engineering / production  location).

I have several model 100 units and was just about to put one  in a timing
rack at the museum.

Regards

Steve  G8EBM
-------- Original Message --------
Subject: [time-nuts] European  Electronics Systems Radio Clock Model 100
From: GandalfG8--- via time-nuts  <time-nuts at febo.com>
Date: Thu, December 14, 2017 1:59 am
To:  time-nuts at febo.com

Does anyone have a service manual or any information  on the 
Europeanlectronics Systems (EES) Radio Clock Model 100.
The  company was part of Siemens but closed down in 2005.
The Model 100 was  supplied by Plessey Defence Systems to the UK
military. 
Some models  could be GPS disciplined 
Any information would be gratefully received for  the Radio Communication

Museum of Great Britain.
(thanks to Robert  with the hint about plain text !!)
Steve Haseldine  G8EBM

----------------------
Now there's interesting!

With  EES being quite a small outfit based in Maldon, Essex, or so I 
thought,  I'm surprised to hear they were ever part of Siemens, are you
sure about  
that?

For some reason I thought they eventually became part of  Radiocode
Clocks, 
although I could well be wrong on that also,  something not entirely 
unheard of :-), but do seem to recall several  mergers etc amongst the
various UK 
off air standards  outfits.

I've got a few EES MSF and Droitwich clocks, including the  earlier
SFR060A 
and SFR200B, plus a 201 at the top of one of my racks  in constant use,
but 
despite having some EES documentation I never did  find much on the model

100.

With half a dozen or so of the GPS  conditioned versions of the model 100

sitting in my garage I would also  welcome some documentation. My notes
made 
several years ago seem to  have disappeared but I do remember being 
convinced that the GPS option was  very much an aftermarket afterthought,
for that 
read bodge:-), based on  a retrofit Motorola Oncore if I remember
correctly, 
and not really  something to get very excited about.

Regards, Nigel  GM8PZR







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