FRSGMRSMURSCBNWR Frequency and so on the difference(2)

FRSGMRSMURSCBNWR Frequency and so on the difference General Mobile Radio Service GMRS (General Mobile Radio Service) dates back to the 1940s when the FCC established the service for “individuals and entities that were not eligible to hold ‘land mobile’ licenses in public safety or industrial and land transportation services.” Basically, it was originally available for…

Quarter wave vertical antenna

Quarter wave vertical antenna

Vertical antennas are widely used at all frequencies from MF up to VHF and beyond. They exist in a variety of forms including the quarter wave vertical and ground plane antennas. They possess many advantages and are widely used for medium wave broadcasting as well as for mobile applications in areas including private mobile radio.…

The origin of World Radio Day

The origin of World Radio Day This is 13 February. It is World Radio Day, which was proclaimed on 3 November 2011 by UNESCO’s 36th General Conference. It was originally proposed by Spain. This special day is to make sure the important status of radios as a communication carrier in education development, information dissemination and…