DifferentTransmissionAngles-NPS

Författare/Upphovsman:

Naval Postgraduate School

Kreditera:

http://www.weather.nps.navy.mil/~psguest/EMEO_online/module3/module_3_2b.html

Kort länk:

https://sewiki.info/b/5271

Källa:

Wikimedia Commons

Upplösning:

400 x 200 Pixel (16656 Bytes)

Beskrivning:

Diagram showing rays of the same frequency at several different transmission (and incident) angles. The frequency is greater than the critical frequency, therefore the two most vertical rays pass into space. The next two rays are refracted in the F layer, indicating that the signal frequency is less than the MUF for these angles but greater than the E layer MUF. For the last ray (lowest transmission angle) the E layer MUF is greater than the transmission frequency and the ray is unable to reach the F layer.

Licens:

Public domain

Licenskommentaren:

http://www.nps.navy.mil/NPS/Disclaimers.htm