[GreenKeys] Collins 709D-1 FSK keyer

[Jones, Douglas W]

On Nov 20, 2014, at 3:39 PM, Dave Horsfall wrote:

> That's not a transmitter; *this* is a transmitter:

As in, That's not a tube,

-- https://commons.wikimedia.org/wiki/File:6N1P.jpg

this is a tube:

-- https://commons.wikimedia.org/wiki/File:JAN-750TL-tube.jpg

(the subject of the later photo currently sits in my office.
I see no reason it wouldn't work if fired up, but it's a mite
expensive to power up.  Merely heating the filament takes 150
watts.)

		Doug Jones
		jones at cs.uiowa.edu