Does Radio Wave Efficiency Improve During Nighttime Tropospheric Enhancement?

[xhm100]

...efficently at night time? :zzz:

 

[KingNothing]

I believe this answers your question:

http://electronics.howstuffworks.com/question1.htm

 

[Tide]

...efficently at night time? :zzz:

Radio waves do not work more efficiently or less efficiently depending on the time of day. You probably mean "why can radio signals be picked up at greater distances at nighttime than during the day?"

 

[jtbell]

See also the section "Tropospheric Enhancement" at

http://home.cogeco.ca/~vem3ont22/propagation/tr-modes.htm