A fundamental purpose as expressed in the following principles:

- Recognition and enhancement of the value of the amateur service to the public as a voluntary noncommercial communication service, particularly with respect to providing emergency communications.

- Continuation and extension of the amateur's proven ability to contribute to the advancement of the radio art.

- Encouragement and improvement of the amateur service through rules which provide for advancing skills in both the communication and technical phases of the art.

- Expansion of the existing reservoir within the amateur radio service of trained operators, technicians, and electronics experts.

- Continuation and extension of the amateur's unique ability to enhance international goodwill.

A private, two-way, short-distance voice communications service for personal or business activities of the general public. The CB Radio Service may also be used for voice paging.

200 kHz around 1.9 MHz
500 kHz around 3.75 MHz
5 channels around 5.3685 MHz
300 kHz around 7.15 MHz
150 kHz around 10.075 MHz
350 kHz around 14.175 MHz
100 kHz around 18.118 MHz
450 kHz around 21.225 MHz
100 kHz around 24.940 MHz
1.7 MHz around 28.85 MHz
4 MHz around 52 MHz
4 MHz around 146 MHz
3 MHz around 223.5 MHz
30 MHz around 435 MHz
26 MHz around 915 MHz
60 MHz around 1270 MHz
11 other bands above 1300 MHz

40 channels around 27.185 MHz

Power limit: 1500 watts PEP

Power limit: 12 watts PEP

Use any antenna

Tower height: 200 ft, plus

Tower height: 60 ft

Operating modes: voice, data, image

Operating modes: voice

Modes:
AM
SSB
FM
SSTV
FSTV
FAX
ASCII, BAUDOT
Morse code

Modes:
AM
SSB

Distance limit: None

Distance limit: 150 miles

Telephone connect: Yes, including automatic connect

Telephone connect: Manual connect only

Satellites: Yes

Satellites: No

Repeaters: Yes

Repeaters: No

License: 3 levels requiring written tests -- increasing privileges.

License: None

Activities:
Chitchat
Email/Message Traffic
BBS
Telemetry/Tracking/APRS
Text messaging
Emergency Comms
Television
Remote control
Internetworking
Special event support
DX
Moonbounce
Satellite voice/data

Activities:
Chitchat

Business: No

Business: Yes

Can build own radio: Yes

Can build own radio: No

Amateur Radio	CB
A fundamental purpose as expressed in the following principles: - Recognition and enhancement of the value of the amateur service to the public as a voluntary noncommercial communication service, particularly with respect to providing emergency communications. - Continuation and extension of the amateur's proven ability to contribute to the advancement of the radio art. - Encouragement and improvement of the amateur service through rules which provide for advancing skills in both the communication and technical phases of the art. - Expansion of the existing reservoir within the amateur radio service of trained operators, technicians, and electronics experts. - Continuation and extension of the amateur's unique ability to enhance international goodwill.	A private, two-way, short-distance voice communications service for personal or business activities of the general public. The CB Radio Service may also be used for voice paging.
200 kHz around 1.9 MHz 500 kHz around 3.75 MHz 5 channels around 5.3685 MHz 300 kHz around 7.15 MHz 150 kHz around 10.075 MHz 350 kHz around 14.175 MHz 100 kHz around 18.118 MHz 450 kHz around 21.225 MHz 100 kHz around 24.940 MHz 1.7 MHz around 28.85 MHz 4 MHz around 52 MHz 4 MHz around 146 MHz 3 MHz around 223.5 MHz 30 MHz around 435 MHz 26 MHz around 915 MHz 60 MHz around 1270 MHz 11 other bands above 1300 MHz	40 channels around 27.185 MHz
Power limit: 1500 watts PEP	Power limit: 12 watts PEP
Use any antenna	Use any antenna
Tower height: 200 ft, plus	Tower height: 60 ft
Operating modes: voice, data, image	Operating modes: voice
Modes: AM SSB FM SSTV FSTV FAX ASCII, BAUDOT Morse code	Modes: AM SSB
Distance limit: None	Distance limit: 150 miles
Telephone connect: Yes, including automatic connect	Telephone connect: Manual connect only
Satellites: Yes	Satellites: No
Repeaters: Yes	Repeaters: No
License: 3 levels requiring written tests -- increasing privileges.	License: None
Activities: Chitchat Email/Message Traffic BBS Telemetry/Tracking/APRS Text messaging Emergency Comms Television Remote control Internetworking Special event support DX Moonbounce Satellite voice/data	Activities: Chitchat
Business: No	Business: Yes
Can build own radio: Yes	Can build own radio: No