Ultra high frequency (UHF) is the ITU designation for radio frequencies in the range between 300 MHz and 3 GHz, also known as the decimetre band as the wavelengths range from one meter to one decimetre.ltra high frequency (UHF) is the ITU designation for radio frequencies in the range between 300 MHz and 3 GHz, also known as the decimetre band as the wavelengths range from one meter to one decimetre.
The San Diego Unified Port District was created in 1962 after the California State legislature passed Senate Bill 41 and the San Diego County Board of Supervisors certified it. The citizens, in 1964, approved a $10.9 million bond for capital improvements.
Area Codes for San Diego, California. There are 4 area code s actively in use in greater metropolitan San Diego, including: 619, 858, 760, 442. These area codes cover San Diego proper as well as nearby suburbs and towns, including La Jolla, Mission Beach, La Mesa, National City, and Chula Vista, among other locations.