Signal/One Registry
Last update 03/22/2025
 Below are the lists of all known Signal/Ones. It is as accurate as I can make it based on information I have.
A big problem I have, is tracking sales of Signal/Ones on ebay.  For many years now it is almost impossible to
get information on these sales from the seller and ebay has the site so locked down it is impossible to know the buyer. 
I have nothing positive to say about ebay.  It certainly isn't the open auction site it was years ago. 
Now it's just another Amazon "Wanna-Be".
As 2025 is now upon us the situation is getting worse.
 I know there are radios being sold even by people who used to be active collectors
and yet I am seldom, if ever, contacted so I can update the Registry.  It is very frustrating after all these years
of work to keep the Registry updated that it has come to this.  I will continue to do my best in spite of all this.
There are 391 in the registry.  That's almost 33% of all Signal Ones built.  I have not included any parts rigs (all CX7s).
Information available indicates there were 1153 Signal Ones built:
850 CX7, 113 CX11, 168 MS1030 (number of "C" versions is not known),
6 MilSpec1030C, 15 MilSpec1030CI Icom IC-781 conversions and 1 Milspec1030E DSP Icom IC-756 Pro conversion.

Prior to 2000 Paul Kollar believed about 1/2 of the CX7s and nearly all CX11s and MS1030s survived.
It's now 2025 and I am certain (sadly) that was a bit optimistic.

 This will always be a work in progress.
Should you not want your name or call in this list please let me know and I will make that info private. 
If you own a Signal/One and can provide any additional info or corrections please contact me by email.
If you have any pictures of your Signal/One email them and I will add them to the web site.

The CX11 Census Link will take you to a spreadsheet that lists all know CX11 Serial Numbers and all known past owners.
Click here for SIGNAL/ONE CX11 CENSUS


 CX7 Registry
CX11 Registry
MS1030 Registry
MilSpec1030 Registry


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Created: June 20, 2006. Last Updated: March 22, 2025
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