[RTTY] Revised Alternate SO2R Definition

[Dick Kriss, AA5VU]

TNX to an observation by Dave W5SV I updated the picture this morning to
include another alternate definition :-) of Single Operator 2 Radios (SO2R).
The new addition shows an example of SO3R at

http://www.qsl.net/aa5vu/SO2R.png

Picture credits to Dan Bush

The file size is smaller than posted yesterday and should load a little
faster.

73, Dick AA5VU