21-1709.fm Page 15 Monday, January 29, 2001 10:29 AM

USING COMMON 10-CODES

Citizen’s Band operators have largely adopted the 10-codes for standard questions and answers. These codes permit faster communication and better intelligibility in noisy areas. While not all codes are listed, most of the more popu- lar ones follow:

Code

Meaning

 

 

 

 

10-1

Receiving poorly.

 

 

10-2

Receiving well.

 

 

10-3

Stop transmitting.

 

 

10-4

OK, message

 

received.

 

 

10-5

Relay message.

 

 

10-6

Busy, please stand

 

by.

 

 

10-7

Out of service.

 

 

10-8

In service

 

 

10-9

Repeat message.

 

 

10-10

Transmission com-

 

pleted, standing by.

 

 

10-11

Talking to rapidly.

 

 

10-12

Visitors present.

 

 

10-13

Advise Weather/Road

 

conditions.

 

 

10-17

Urgent business.

 

 

10-18

Anything for us?

 

 

10-19

Nothing for you.

 

Return to base.

 

 

10-20

My location is____.

 

 

10-21

Call by telephone.

 

 

10-22

Report in person

 

to____.

 

 

10-23

Please stand by.

 

 

10-25

Can you contact____.

 

 

Code

Meaning

 

 

 

 

10-26

Disregard last infor-

 

mation.

 

 

10-27

I am moving to

 

channel____.

 

 

10-28

Identify your station.

 

 

10-32

I will give you a radio

 

check.

 

 

10-33

Emergency traffic.

 

 

10-36

Correct time is____.

 

 

10-37

Wrecker needed

 

at____.

 

 

10-38

Ambulance needed

 

at______

 

 

10-41

Please turn to

 

channel_____.

 

 

10-42

Traffic accident

 

at_____.

 

 

10-43

Traffic tie-up at____.

 

 

10-50

Break channel.

 

 

10-62

Unable to copy; use

 

telephone.

 

 

10-70

Fire at_____.

 

 

Note: Although this table lists the 10- codes’ meanings in the form of a state- ment, they can also be phrased as questions (10-6: Are you busy?, 10-20: What is your location?).

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Radio Shack TRC-519 owner manual Using Common 10-CODES, Code Meaning

TRC-519 specifications

The Radio Shack TRC-519, released in the 1980s, is notable for its dual functionality, serving as both a base station and a handheld CB radio. This versatile piece of technology was designed for enthusiasts and everyday users alike, delivering reliable communication in an era when citizen band (CB) radios were gaining popularity.

One of the key features of the TRC-519 is its 40-channel capability, allowing users to access a wide range of frequencies. This flexibility was crucial for communication across different regions, making it a popular choice among truckers and road travelers who needed constant connectivity. The unit also features a good quality built-in speaker and a high-sensitivity microphone, ensuring clear and effective communication.

The TRC-519 operates on the AM modulation, a standard for many CB radios during that period. This technology provided users with a strong and reliable audio signal. Additionally, the radio is designed with an instant channel selection feature, allowing users to quickly switch frequencies without delay. This is particularly useful in dynamic situations where swift communication is essential.

Another distinguishing characteristic of the TRC-519 is its robust construction, which contributes to its durability. The radio's design features a compact form factor and a user-friendly interface, making it suitable for both novice and experienced users. The knobs and buttons are intuitively placed, ensuring ease of use even in demanding environments.

The radio is powered by a standard 12-volt system, which is common for automotive use, making it easy to integrate into vehicles. Its versatility extends to both mobile and stationary use, providing users the flexibility to communicate from various locations.

Overall, the Radio Shack TRC-519 combines essential features, rugged design, and practical technology, making it a reliable choice for those in need of effective communication. Whether for leisure, work, or emergency situations, the TRC-519 represents an important chapter in the history of radio technology, paving the way for modern communication devices. With its timeless functionality, it remains a sought-after item among vintage technology enthusiasts and collectors today.