home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
MacWorld 2000 January
/
Macworld (2000-01).dmg
/
Shareware World
/
Comms & Internet
/
Elmer
/
Tests
/
General
/
General.adf
/
QUES_3106
< prev
next >
Wrap
Text File
|
1999-10-22
|
117b
|
1 lines
At what point in the solar cycle does the 20-meter band usually support worldwide propagation during daylight hours?
