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Chapter 3 Surveillance Communications

Below are the questions and indicative answers to Covert Surveillance Theory by each chapter.

 

If you are taking the assessments for the Level 4 NQF qualifications in surveillance, you are advised not to copy and paste these answers into your workbook. It will be easily noticed if you do, and you will be struck off for plagiarism.

 

Only the indicative content is included, not the complete answers, therefore you will have to answer your questions in full to level 4 standard.

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Chapter 3 Questions - Communications

1. Explain the following terms and expressions used in surveillance:
 

  • Consult the Glossary of Surveillance Terms.


3. Give the phonetic meaning for the following letters:

​

  • You should know this.


4. Describe the alternative methods of communication.
 

  • Mobile phones

  • Hand signals

  • WhatsApp messaging (Viber, Zello, Signal)

  • Unlimited range

  • Poor signals

  • Cross contamination

  • Security


5.  Describe at least two methods of the ‘click’ system of covert communication.
 

  • When & why?

  • 4 clicks - AMAQ

  • 3 Clicks - Yes

  • 2 clicks - No

  • Rapid clicks - Standby

  • Discipline

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  • Alternative 1

  • 4 clicks

  • 3 Clicks - STM

  • 2 clicks - Yes

  • 1 click - No

  • 0 clicks
     

  • Alternative 2

  • 4 clicks

  • 3 Clicks - STM

  • 2 clicks - Yes

  • 0 clicks – No


6. Describe the ways of keeping sensitive information secure when using the radio.
 

  • Encryption

  • Code words

  • Spot maps

  • Mobile phone

  • Apps


7. Explain why a mobile callsign ‘Shadows’ a foot team.
 

  • Support

  • Change of personnel

  • Radio relay

  • Imagery

  • Rolling stakeout

 

8. Calculate the length of a ‘quarter wave’ antenna to be fitted to your car when your operating frequency is 172.5MHz


300    = X  then X divided by 4 =  
172.5

 

9. Explain why WhatsApp a useful communication tool in surveillance.
 

  • Accessible to all

  • Secure

  • Messaging & talk facility

  • Drop location pins

  • Chronological reporting

  • Unlimited range

  • Location services


10. Explain the disadvantages of using the Zello app over VHF radio.
 

  • Inexpensive

  • Takes place of both car set and handset

  • Unlimited range

  • Works to your phone

  • No need for external antenna

  • Foxtrot & mobile

  • Unreliable signal

  • Delay in transmissions

  • No covert accessories


End of chapter

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