TB 123 RADIO FREQUENCY (RF) RADIATION HAZARD AWARENESS

Question 1

TB 123 RADIO FREQUENCY

Because the amount of radiation from an antenna you will become exposed to is unable to be known, the best advice is to “Only become exposed as long it takes to walk by, and walk as far away as possible.

Answer 1

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Question 2

TB 123 RADIO FREQUENCY

Microwave antennas, or dishes are directional and pose little danger from behind or beneath, but do not stand directly in its transmission path.

Answer 2

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Question 3

TB 123 RADIO FREQUENCY

There are two types of radar antennas. Type 1 has a rotating external visible antenna. If the antenna is rotating, the system is active. “Only become exposed as long it takes to walk by, and walk as far away as possible”.

Answer 3

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Question 4

TB 123 RADIO FREQUENCY

Type 2 has the rotating portion of the antenna in a dome making activity determination difficult. These domes can emit very large amounts of RF radiation and can be potentially life-threatening to approach them if they are active. Confirmation of de-energization must be made prior to roof operations commencing.

Answer 4

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Question 5

TB 123 RADIO FREQUENCY

De-energizing the building’s power will not deactivate this site as most cellular cites have generator backups.

Answer 5

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Question 6

TB 123 RADIO FREQUENCY

There is minimal RF exposure to the member when the radio is held properlywith the antenna tip at least ___ inches from the eye.

A safe RF Radiation level is also maintained when the portable radio is placed in the turnout, or brush jacket pocket.

Answer 6

6

Question 7

TB 123 RADIO FREQUENCY

This cellular site poses little exposure to members because it is elevated approximately ___ feet above the ground.

Answer 7

60

Question 8

TB 123 RADIO FREQUENCY

There is solar, nuclear, and Radio Frequency, or RF radiation.

Answer 8

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