A communications plan vs a COOP Plan - Concept Of Operation Plan is IMHO more comprehensive because you have to look at fail over, relocation, power, start-up (getting everything connected), and take-down in order to relocate. Power requirements is another big issue and the more radios and people you have to support, the more complex it becomes. Just a few more things to think about.
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information: for the new:
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VHF- Very High Frequency
Very high frequency is commonly used for FM radio broadcast, two-way land mobile radio systems, long-range data communication, and marine communications, just to name a few. VHF includes radio waves from 30 MHz to 300 MHz.
VHF waves must not exceed the local radio horizon of 100 miles. VHF frequencies are less likely to be interrupted by atmospheric noise, issues with electrical equipment, and other interferences.
There are different bands within VHF frequency, including low-band and high-band. Low-band VHF range of 49 MHz includes transmission of wireless microphones, cordless phones, radio controlled toys and more. Slightly higher VHF range of 54-72 MHz operates television channels 2-4, as well as wireless systems defined as “assistive listening.” VHF frequencies 76-88 MHz operate channels 5 and 6. The highest low band VHF is 88-108 MHz and operates the commercial FM radiobroadcast band.
UHF- Ultra High Frequency
UHF radio waves are much shorter in length than VHF, measuring around 12 to 24 inches. As a result antenna length is reduced as well as radio range. Anything from a building to a human body can interfere with UHF transmissions. Dropouts and interferences are far more likely, but greater bandwidth occupation is permitted. As a result you may find a wider frequency range as well as wider range of audio signal. Up to 250 mW is allowed, exceeding the 50 mW power restrictions applied to VHF.
Low-band UHF overlaps with high-band UHF, low is 450-536 MHz and high is 470-806 MHz. Typically, business services and UHF television channels 14 through 69 operate using these frequencies. High-band UHF (anything above 900 MHz) offers the least amount of disturbances and requires antennas measuring between 3 and 4 inches. These channels operate studio-to-transmitter links as well as other primary users and additional channels.
UHF radio waves generally only go as far as line of sight. Anything in the way of your sight will also interfere with frequency range, such as buildings, tall trees or any other obstruction. The transmission is high enough to penetrate through building walls, making indoor reception a possibility. It is the limited line-of-sight broadcast range that makes UHF unsuitable in some instances. VHF offers a much larger broadcast range, which is preferred in some industries.
The Differences Between UHF And VHF Radio Frequencies
VHF (Very High Frequency) and UHF (Ultra High Frequency) come with distinct pros and cons, understanding these differences will help you identify the best..
www.highlandwireless.com
VHF- Very High Frequency
Very high frequency is commonly used for FM radio broadcast, two-way land mobile radio systems, long-range data communication, and marine communications, just to name a few. VHF includes radio waves from 30 MHz to 300 MHz.
VHF waves must not exceed the local radio horizon of 100 miles. VHF frequencies are less likely to be interrupted by atmospheric noise, issues with electrical equipment, and other interferences.
There are different bands within VHF frequency, including low-band and high-band. Low-band VHF range of 49 MHz includes transmission of wireless microphones, cordless phones, radio controlled toys and more. Slightly higher VHF range of 54-72 MHz operates television channels 2-4, as well as wireless systems defined as “assistive listening.” VHF frequencies 76-88 MHz operate channels 5 and 6. The highest low band VHF is 88-108 MHz and operates the commercial FM radiobroadcast band.
UHF- Ultra High Frequency
UHF radio waves are much shorter in length than VHF, measuring around 12 to 24 inches. As a result antenna length is reduced as well as radio range. Anything from a building to a human body can interfere with UHF transmissions. Dropouts and interferences are far more likely, but greater bandwidth occupation is permitted. As a result you may find a wider frequency range as well as wider range of audio signal. Up to 250 mW is allowed, exceeding the 50 mW power restrictions applied to VHF.
Low-band UHF overlaps with high-band UHF, low is 450-536 MHz and high is 470-806 MHz. Typically, business services and UHF television channels 14 through 69 operate using these frequencies. High-band UHF (anything above 900 MHz) offers the least amount of disturbances and requires antennas measuring between 3 and 4 inches. These channels operate studio-to-transmitter links as well as other primary users and additional channels.
UHF radio waves generally only go as far as line of sight. Anything in the way of your sight will also interfere with frequency range, such as buildings, tall trees or any other obstruction. The transmission is high enough to penetrate through building walls, making indoor reception a possibility. It is the limited line-of-sight broadcast range that makes UHF unsuitable in some instances. VHF offers a much larger broadcast range, which is preferred in some industries.
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