I have some interesting memories of this article and how it came about. Nothing I will discuss publicly but shortly after it was published, US-based 5-digit English numbers broadcast left the airwaves.
You can read what I wrote by downloading a free copy in pdf at https://worldradiohistory.com/Archive-Monitoring-TImes/1990s/Monitoring-Times-1994-10.pdf
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| Monitoring Times Oct 1994 |
