Airborne Urban/Suburban Noise Measurements at 121.5/243 MHz

Ralph E. Taylor, James S. Hill
1977 1977 IEEE International Symposium on Electromagnetic Compatibility  
Summa ry An airborne measurement of the terrestrial, radio-trequency (RF) noise environment over U.S. metropolitan urban/suburban areas has been made at the 121.5/243 MHz emergency-distress search and rescue (S&R) communicattons frequencies.
doi:10.1109/isemc.1977.7567202 fatcat:bfye3gxlx5b5hpzlud3rwkgolm