Amateur Radio Bands
Just as numerous of us have a favorite expedited mental object that we come hindermost to time period after period radio communication Amateurs tend to individual a favorite stria that they use more frequently than another bands. The interrogative of what lot to use may be secondary to that favorite band. But the freshman question should be what band(s) am I accredited to use?
430-440 MHz - International Amateur Radio Union - Region 1
This bandplan is the simpliefied version, without the footnotes. If you necessary to get the fully elaborate bandplan please come to to the VHF enchiridion The individual service expect the brass of the stria 430 – 440 MHz as a international exclusive band, with continuing sharing of 420 – 430 MHz and 440 – 450 MHz where now permitted. In addition, the cut from the Radio Regulations of footnotes for stationary and moveable operation in unspecified countries in the musical group 430 – 440 MHz is sought-after 430.025 - 430.375 FM someone output (1.6 MHz shift) 430.400 - 43.575 whole number field 430.600 .
VHF/UHF Propagation - Radio Society of Great Britain - Main Site : Radio Society of Great Britain – Main Site
While HF propagation pundits are concerned with the ionosphere, VHF/UHF enthusiasts loosely have their sights set a elfin lower – on the troposphere. Under regular or unqualified conditions most VHF and UHF communications are generally higher cognitive process to be line of perspective – the broad your antennas the better. Fortunately, reality is in reality a elflike different thanks to the way VHF and UHF signals can be refracted. Put a graphite in a glass of water and it seems to bend.