Title :
Day-to-day variation of HF signal strength and noise
Author_Institution :
Rutherford Appleton Lab., Chilton, Didcot, UK
fDate :
5/24/1990 12:00:00 AM
Abstract :
Measurements of the day to day variations of signal and noise on 120 and 970 km paths at 9.3 and 15.7 MHz are compared with CCIR reports. Appreciable correlation is found between signal and noise, indicating a need for modification to existing fading allowances for HF service planning.
Keywords :
fading; noise; radiocommunication; radiofrequency interference; radiowave propagation; tropospheric electromagnetic wave propagation; 120 km; 15.7 MHz; 9.3 MHz; 970 km; CCIR reports; HF service planning; HF signal strength; broadcasting; fading allowances; noise;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19900498
