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NotInStock said:
Just FYI, HF = High Frequency (3 Mhz to 30 Mhz) VHF = Very High Frequency (30 Mhz to 300 Mhz) UHF = Ultra High Frequency (300 Mhz to 3 Ghz) There are others for even lower than HF or higher than UHF. The US Navy uses VLF (Very Low Frequency) to talk with subs that are underwater. The Baofeng radios that I believe a lot of people are fond of are actually dual-banders and have a band in the VHF and UHF spectrum. Either of those you are able to use as even the lowest class of HAM license. However, keep in mind something like the Baofeng are actually already opened up and typically can transmit on many frequencies that the HAM license does not legally allow you to use. For instance, most of them can use 118 - 174 Mhz but the only area of that licensed for HAM use is 144-148 Mhz in the USA.
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They may use ELF for communicating with submarines...
 
NotInStock said:
Just FYI,

HF = High Frequency (3 Mhz to 30 Mhz)
VHF = Very High Frequency (30 Mhz to 300 Mhz)
UHF = Ultra High Frequency (300 Mhz to 3 Ghz)

There are others for even lower than HF or higher than UHF. The US Navy uses VLF (Very Low Frequency) to talk with subs that are underwater. The Baofeng radios that I believe a lot of people are fond of are actually dual-banders and have a band in the VHF and UHF spectrum. Either of those you are able to use as even the lowest class of HAM license. However, keep in mind something like the Baofeng are actually already opened up and typically can transmit on many frequencies that the HAM license does not legally allow you to use. For instance, most of them can use 118 - 174 Mhz but the only area of that licensed for HAM use is 144-148 Mhz in the USA.
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I can't remember the frequency but a guy I knew that had ham radios used to be able to call my two way Motorola work radios we used back before cell phones were around. I know that radio was different than the fire department radio because they couldn't make it work for that and I had to buy an ht1000 for the fire department. With all that said it would still be worthless on the trail if everyone else had a cb. The Motorola only had 4 preprogrammed channels I think


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ChannelFrequency (MHz)Notes
1462.5625Shared with GMRS
2462.5875Shared with GMRS
3462.6125Shared with GMRS
4462.6375Shared with GMRS
5462.6625Shared with GMRS
6462.6875Shared with GMRS
7462.7125Shared with GMRS
8467.5625FRS use only
9467.5875FRS use only
10467.6125FRS use only
11467.6375FRS use only
12467.6625FRS use only
13467.6875FRS use only
14467.7125FRS use only
ameLower frequency (simplex/repeater output) (MHz)Upper frequency (repeater input) (MHz)Motorola conventionIcom F21-GM conventionColor Dot conventionNotes
"550"462.550467.550Ch. 15Ch. 1
"575"462.575467.575Ch. 16Ch. 2White Dot
"600"462.600467.600Ch. 17Ch. 3
"625"462.625467.625Ch. 18Ch. 4Black Dot
"650"462.650467.650Ch. 19Ch. 5Use not permitted near the Canada–U.S. border in the U.S..[SUP][12][/SUP]
"675"462.675467.675Ch. 20Ch. 6Orange DotOften used as emergency and road information calling frequency with tone squelch of 141.3 Hz.
"700"462.700467.700Ch. 21Ch. 7Use not permitted near the Canada–U.S. border in the U.S..[SUP][12][/SUP]
"725"462.725467.725Ch. 22Ch. 8
 
Zstairlessone said:
They may use ELF for communicating with submarines...
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Yeah you may be right... I just remember it was only good for very slow transimissions of data like to fire a nuke or movement orders... Also, had another sailor I worked with that was stationed at one of the (I think she said there were only a 2 or so) transmission stations... She talked about how the antenna was something like 1200 or 1600 feet tall.... And a crazy powerful amplifier that was actually a whole building....
 
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