2.0 COMMUNICATIONS

Question 1

Assignment of radio talk groups

Answer 1

800 Mhz - analog/digital hybrid

20 trunked / 1 controlled channel

shared with fire : City schools, community college

can also access: SD- Imp Cnty regular communication system

Can communicate with over 50 other LE

also shares with Public service- Gen svc, trans, park and rec, water

NO EXPECTATION OF PRIVACY even during encrypted talk

Question 2

Talk groups

Answer 2

250 talk groups in its fleet maps

when selecting talk groups

• assigned area
• what t/g assigned to unit thy are contains
• the t/g used at the assigned inc
• the t/g assigned to geo area

IQ = shared IQ2 = PEO (or officers w/ permission from IQ dispatcher

• will advise the are c4 prior to switching to IQ
• MCT rqsts are to be sent to IQ1 - dispatcher at RC10

Question 3

Talk groups

Answer 3

Types of checks:

10-29 local
10-29 NCIC - teletype - SDP 037100
record check - local only
C37 M, C27 F, C37B
Will NOT ask if C4
10-35 =10-4, C4, 10-88
if no response = cover unit dispatched

Question 4

Talk groups

Answer 4

Vehicles - 10-29
C37 V
will use voice radio on ALL occupied c37v
PEO’s MUST be C4 B4 switching to IQ

Towrqsts: most thru MCT, 11-85 Expedite

MISC: comm div supervisor must approve any unusual rqsts

Question 5

Talk groups

Answer 5

shared tactical talk groups

• usually don’t require dispatcher
• nt to be used for personal msgs
• critical inc should move to tac

ranking officer on scene should rqst (only those assigned) advise when clear

inv tac’s 14d-25d = digital / encrypted (portable and mobile radios)

disp can monitor via portable radio in radio room

can be reserved prior to event o without notice

Question 6

Talk groups

Answer 6

City Tac 1-3

city tac 1 = reserved for electronic tracking system

city tac 2= reserved for MFF

city tac 3= uniformed GST , if D at end = digital - encrypted

invops tac - reserved for spec inv units - working op’s with proactive investigators

officers GENERALLY prohibited rom using invops for routine operations.

Question 7

Talk groups

Answer 7

special event talk groups:

event disp1/2 envt tac 1-7

-for sworn / civilian working spec event
evnt disp 1/2 =primary t g = sworn
evnt tac 1-7 = setc @spec event
patrol and inv units = PROHIBITED

Question 8

CLEMARS

Answer 8

Ca law enforcement aid radio system

• provides common police radio t/g
• for state wide by state/ local le
• during disasters/ other emergency
• RESTRICTED to approved uses
• use agency, unit id, on XXXX CLEMARS
• used for mutual aid/ emergency multi - jurisdictional
• out of city incidents - **Need supervisor approval

Question 9

inter-agency communication

Answer 9

notify disp- leaving primary t/g

school pd, community college pd, sd lifeguards

• -zone 23, labled LE3, app, t/g mode
• -sdpd unit 234j on school pd

all pub safety ageciesusing city of sd 800mhz have 3 mai t/g in common:

–SDMA10, SDMA20, SDMA30- they are located in zone LE3

Question 10

contacting other LE agencies

Answer 10

to contact:

–zne 27, labeled LMA

mode LE n cmd (north of 52)
mode LE s cmd (south of 52)
mode LE e cmd (east of Alpine)

can go to a LE tac

units are NOT to use BLUE1 AND BUE 2 unless directed

not a hailing channel

REQUIRED:
- state nature of rqst/location
-return to home t/g after business complete
- gen prohibited to extend trans that tie up other agency’s transmission line
-lac cc only in dispatch centers, not on portables
- u/c will not have t/g in common with other LE agencies - Use conventional zone (CONV)
- ICALL/ Itac 10-4 = Universal freq to all LE
- ICALL then move to tac
ICALL direct - radio to radio

Question 11

USE of multi-agency patching

Answer 11

• Use own ID and Agncy name
• only for interagency communication - no casual convo
• must have approval of communication lead
• notify if planned event
• highly discouraged to patch primary t/g form 2+ agencies
• when initiated by another agency: switch to patch”- don’t switch back to primary to update, don’t talk unless important, pd dispatcher will NOT coordinate units
• decision o retain dispatch control will be determined by disp lead

field officers/radio will speak in clear speech n0t codes to avoid confusion/ misinterpretation

Question 12

Proper radio procedures

Answer 12

FCC regulates
communication division:
disp to primary
will notify users
notify sgts if missed calls
improper radio trans will be documented 
assigned to special op
E and priority 1 calls not to be held
2 are dispatched in 15 minutes 
disp will notify field sup if 3+ officers assigned to CAD incident
use radio codes
use 10-4, "OK" prohibited 
Affirm / neg , "yes" "no" - gen prohibited 
no street vernacular 
have discretion to monitor IQ 1 / 2 and disp 2

Question 13

Proper radio procedures

Answer 13

Can request originating dispatch to notify other agencies to monitor activity

• Coronado bridge
• jumpers
• Lojack
• electronic tacking devices

Question 14

radio emergency activation

Answer 14

EMER’S will appear on primary t/g console

dispatch will not ask C4 - it will be handled as calling for cover

Question 15

radio procedures

Answer 15

Field units - assumed available unless prior notice given to communication

if on 11-50 and priority 1 or E - 11-5 will be told to be dropped

ack and advise coming from if more than 1 officer assigned to inc

all must advise when 10-97

if instructed to 10-22 - don’t continue

if only 1 officer assigned to inc - off will be told no cover - officer will proceed only as far as necessary to determine if cover is needed.

only officers at scene will advise c4- it will be voice broadcasted/ ack by dispatcher

refrain saying “it appears to be c4” without knowing

sup dispatched on calls rqring 3+ officers

begin talking using “unit”

use identifier / unist designator

advise purpose of 10-7 and when 10-8

if needed, put b# in clearing inc: C D/r B/Beat #