This table lists codes adopted by the Associ- ated Public Safety Communications Officers (APCO).
Code | Meaning | |
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Your signal is bad. | ||
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Your signal is good. | ||
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Stop transmitting. | ||
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Message received and under- | ||
stood. | ||
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Relay information to _____. | ||
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I am busy or are you busy? | ||
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Out of service. | ||
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In service. | ||
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Repeat last message. | ||
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Negative (NO). | ||
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_____ in service. | ||
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Stand by. | ||
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Report road/weather condi- | ||
tions. | ||
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Information. | ||
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Message delivered. | ||
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Reply to message. | ||
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En route. | ||
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Urgent. | ||
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Contact _____. | ||
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What is your location? | ||
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Call _____ by telephone. | ||
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Cancel last message. | ||
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Arrived at the scene. | ||
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Code | Meaning | |
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Assignment complete. | ||
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Meet _____. | ||
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Estimated time of arrival is | ||
_____. | ||
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Use caution. | ||
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Pick up. | ||
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Emergency traffic. Clear the | ||
channel. | ||
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What time is it? | ||
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Switch to Channel xx. | ||
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Cannot understand. | ||
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Note: Although this table lists the
MAXIMUM RANGE
The maximum range and quality of CB radio transmissions vary depending on the follow- ing conditions:
•the type and quality of antenna used
•the height of the antenna’s mounting location — the higher the antenna, the better the signal’s range
•the surrounding terrain — mountains and tall buildings limit the range
•weather conditions
•the number of nearby radios operating on the same channel
•standing wave ratio (SWR) between the antenna and the CB
Operational Hints | 11 |
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