the radio was needed for communications (mostly over long distances, while over time people used it for entertainment
For people to be able to communicate over long distances without relying on landlines such as the telegraph.
The radio may be programmed by the radio's keypad or software. There is a password needed to access keypad programming. Software is needed for 2 and 5 tone paging and initial setting of scan channels and the radio groups.
No you can not get Wi-Fi through XM radio. XM radio is satellite radio, some form of internet connection is needed to use XM radio.
The make and model is needed for an answer
If it is a factory radio, call your local dealer.
Dealer
I have the same year Explorer and my radio had the same problem... The problem was in the radio and it just needed to be replaced with a new one.
Hartford Beitman has written: 'Most-Often-Needed 1926-1950 Emerson Radio Diagrams & Servicing Information' 'Radio Hobbyists Handbook' 'Most-Often-Needed 1939-1950 Admiral Radio Diagrams & Servicing Information' 'Small Specialty Manufacturers Radio Diagrams & Servicing Information, 1927-1945' 'Most-Often-Needed Nineteen Twenty-Six to Nineteen Fifty Stewart Warner'
Call into a talk show? Maybe a more specific question is needed.
Yes. A good rule of thumb is that if the device has an antenna, it uses radio waves. An antenna would not be needed if it didn't use radio waves.
Technician, General, and Extra are the three levels. The Morse code is no longer needed to pass any of the tests. The American Radio Relay League (www.arrl.org) has plenty of great information on ham radio.
I needed the code for my radio about a month ago, I called my Honda dealer with my VIN and they gave me the code for the radio.
XM is a satellite radio and comes to you via satellite. AM doesn't need to use satellite to broadcast it uses a radio band. If AM needed satellite we wouldn't have had it since the 1920's.