Posted by bc on February 03, 2011 at 08:12:22 from (68.92.138.32):
In Reply to: way OT CB skip posted by Sunny 5 acres on February 03, 2011 at 00:46:55:
The skip travels east to west as the sun sets so someone in NY will get skip when they don't on the west coast. That sets up different levels of the atmosphere to let some signals through at certain frequencies and then different levels to reflect a signal. The higher in the atmoshpere a signal can go before being reflected, then the farther it will reflect. The sun keeps the signal down but it opens up at night. Different frequency wave lengths affect how far they skip as well.
There are certain times and frequencies where you can talk to Europe and then later to talk towards Asia.
Lots of cans down in mexico and south america on the ham bands and cb as well. They all seem to use high powered amps which many can't or don't have in the US. Also takes a directional antenna to transmit north and south. You will receive ok with your whip dipole antenna but you can't put enough power in the right direction to carry on a conversation.
Also when there is a transmission on one frequency, it also does it on the resonate frequencies but not as powerful. Some of the skip may be from resonate frequencies from the ham bands. Then you have the fellas down south who don't worry about oversight from the authorities who don't have their equipment tuned right for the frequencies or who just move past the limits to use those other bands such as the cb band.
Go to ARRL website and then become a ham. I don't have time to gab on the radidio but it is fun to get together for events like field day and try to make contacts. I do it more for the NWS as a storm spotter. It's also more of a night time hobby.
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