From: "Geo." 

It wasn't hard to do that back in the 14.4 days, it's the same whistle a
parakeet makes. Anyone who had them for pets could do it.

Geo.

"John Oellrich"  wrote in message
news:3dc07509$1{at}w3.nls.net...
Joe,

I did work with a guy who whistled to tell if a modem in the rack of Bell
103 units was working. He would nail it every time. But he was also very
good at the more modern stuff as well.

--
john

--- BBBS/NT v4.01 Flag-4