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SC Highway Patrol/Department of Public Safety (SC)


The South Carolina Highway Patrol is a division of the SC Department of Public Safety that is responsible for investigating traffic accidents and enforcing traffic laws across the entire state. SCHP is divided into seven troops that each serve several counties. The primary radio system used by SCHP is the Palmetto 800 system. SCHP has the capability of using several other radio systems as well, especially during special events.

Contents

New SCHP Talkgroups

The following talkgroups are reported to be active on an intermittent basis starting in Summer 2011. These new talkgroups are patched to the existing talkgroups, but not 100% of the time. It would appear these are new talkgroups that will be placed into use full-time at some future point, and this patching arrangement allows radios to be reprogrammed during a transition period.

  • 44400 - Troop 6 (Colleton)
  • 44432 - Troop 6 Beaufort (30096)
  • 44464 - Hurricane Evacuation Coordination (6864)
  • 44624 - Troop 4 TAC 7 (29360)
  • 44656 - Troop 5 Darlington (29584)
  • 44688 - Troop 5?
  • 44720 - Troop 6
  • 44752 - Troop 6 (Charleston Co)
  • 45744 - Troop 3 SHEP Troop 3 (31504)
  • 45840 - Troop 7 Aiken/Bamberg (30480)
  • 45904 - Troop 7 Orangeburg (30352)
  • 46096 - Troop 2 TAC 3 (29104)
  • 46128 - Troop 4 (York Co)
  • 48944 - Troop 2 (Greenwood Co)

SCHP Scanning Tips

SC Highway Patrol uses the Palmetto 800 State-wide trunked radio system as its primary communication system. The vast majority of SCHP communications are analog and not encrypted.

There are three basic steps for scanning SCHP:

  1. Selecting appropriate tower sites
  2. Selecting appropriate talkgroups
  3. Programming your scanner

Selecting Tower Sites

  • This map is pretty good for finding county names and interstate routes. Determine your county of interest or the counties you'll pass through on your trip. Create a written or typed list of these counties.
  • SC Interstate Routes This lists counties that one passes through while travelling on any of several popular interstate routes, along with Palmetto 800 site numbers for each county.
  • Next, look at this current coverage map for Palmetto 800 and determine which tower sites cover your area(s) of interest. Also consult this Google Map of Palmetto 800 and Palmetto P25 tower sites.
  • Lastly, consult the site list on the Palmetto 800 database page to determine frequencies for the sites you have selected. Add the site numbers, names and frequencies to your county list. These will be the frequencies you'll program in your scanner.

Selecting Talkgroups

  • Using your county list, look below at the list of SCHP Troops. Determine which Troops you are interested in listening to.
  • Again consult the Palmetto 800 database page, this time scrolling down to the Talkgroups section. The first set of talkgroups is for SCHP, and they are sorted by channel number, but are grouped by Troop, starting with Troop 1 channels.
  • Each Troop has several dispatch channels (used by one or a group of counties), 2 TAC channels (used for talk-around), and 1 channel each for SC Transport Police, SC DPS (Traffic Management and SCDOT Emergency Responders) and Special Ops.
  • Select the talkgroups that you are interested in and jot those down on your list.
  • Special Note: Some SCHP dispatch talkgroups are regularly "patched" to each other to allow a single dispatcher to handle multiple channels as a single channel. Different scanners handle this situation differently, but you may find that your favorite SCHP dispatch channel goes quiet for long periods of time. Program all the dispatch channels for the Troop and unlock them when your favorite channel seems to go quiet.

Programming your scanner

It's beyond the scope of this article to provide details on programming every different model of scanner. How you choose to organize your scanner is up to you. But this process should give you the data you need to program the SCHP Talkgroups of the Palmetto 800 system into your radio.

SCHP Units

HP unit numbers consist of a letter and a number. The letter indicates the troop/special unit and the number indicates the rank. The lower the number, the higher the rank.

  • A Troop 1: Clarendon, Kershaw, Lee, Lexington, Richland, Sumter
  • B Troop 2: Abbeville, Edgefield, Greenwood, Laurens, McCormick, Newberry, Saluda
  • C Troop 3: Anderson, Greenville, Oconee, Pickens, Spartanburg
  • D Troop 4: Cherokee, Chester, Chesterfield, Fairfield, Lancaster, Union, York
  • E Troop 5: Darlington, Dillion, Florence, Georgetown, Horry, Marion, Marlboro, Williamsburg
  • F Troop 6: Berkeley, Beaufort, Charleston, Colleton, Dorchester, Jasper
  • G Troop 7: Aiken, Allendale, Bamberg, Barnwell, Calhoun, Hampton, Orangeburg
  • R Troop 8: ACE Team & Motorcycles
  • M Troop 9: MAIT Team (Accident Reconstruction)
  • I Troop 10: Insurance Enforcement
  • S SCDOT Incidence Response
  • X State Transport Police

SCHP 10-Codes

Code Description Code Description
10-0 Pursuit in progress 10-1 Signal weak
10-2 Signal good 10-3 Stop transmitting
10-4 Message received 10-5 Relay
10-6 Busy 10-7 Out of service
10-8 In service 10-9 Repeat
10-10 Negative 10-11 On duty
10-12 Standby 10-13 Report conditions
10-14 Message/Information 10-15 Message delivered
10-16 Reply to message 10-17 Enrote
10-18 Urgent 10-19 In contact
10-20 (Adise your) Location 10-21 Phone (number)
10-22 Disregard 10-23 Arrived at scene
10-24 Assignment complete 10-25 Meet up at ____
10-26 Estimated time of arrival 10-27 Driver's license
10-28 Vehicle registration 10-29 Check for warrants
10-30 Danger/Caution 10-31 Pick up
10-32 ____ units needed quickly 10-33 Emergency
10-34 Correct time 10-35 Radar
10-36 Abandoned vehicle 10-37 Mobile Data Computer
10-38 Normal traffic stop 10-39 Vehicle search
10-40 Road repairs 10-41 Beginning shift
10-42 End shift 10-43 Time check
10-44 Unable to locate 10-45 Dead animal
10-46 Assist motorist 10-47 Investigate suspicious vehicle
10-48 Stopping suspicious vehicle 10-49 Civil disturbance
10-50 Motor vehicle accident 10-51 Request tow truck
10-52 Request ambulance 10-53 Roadway blocked
10-54 Direct traffic 10-55 Intoxicated driver
10-56 Intoxicated pedestrian 10-57 Hit and run MVA
10-58 Riot 10-59 Person with gun
10-60 Request coroner 10-61 Illegal use of radio
10-62 Escaped prisoner 10-63 Advise phone number
10-64 Bomb threat 10-65 Blockade
10-66 Drag racing 10-67 Subject in custody
10-68 Mental subject 10-69 Detaining subject - Expedite
10-70 Fire alarm 10-71 Wanted/Stolen indicated
10-72 Larceny 10-73 Break-in
10-74 Robbery 10-75 Shooting
10-76 Assault 10-77 Vandalism
10-78 Request assistance 10-79 Prowler
10-80 Suspicious person 10-81 Missing person
10-82 Domestic problem 10-83 Crime in progress
10-84 Estimated time of arrival 10-85 Alarm
10-86 Out of vehicle - Available 10-87 Permission to leave patrol
10-88 Squad in vicinity 10-89 Escort
10-90 Prepare to copy 10-91 Return to ____
10-92 Delayed 10-93 Message received
10-94 General proadcast 10-95 Prisoner
10-96 Breathalyzer operator 10-97 Test signal
10-98 Switch to regional channel 10-99 Traffic signal not working

SCHP Signals

Signal Description Signal Description
Signal 1 Handle by mail Signal 2 Delivered
Signal 3 Delivered Signal 4 Changing channel/comm center
Signal 4 Use lights/siren Signal 5 Permission to use patrol car
Signal 6 Permission to go to Columbia HQ Signal 7 Send ___ to Columbia for vehicle
Signal 8 Permissionto go to Columbia HQ Signal 9 Confidential investigation
Signal 10 Remain in vehicle/Stay in service Signal 11 If not stolen, check owner disposition
Signal 12 No information available Signal 13 Request to go out of service
Signal 14 Relay to local broadcast stations Signal 15 Resume normal operations
Signal 16 Out of vehicle, radio on Signal 17 Officer-initiated complaint
Signal 18 No further assistance needed Signal 19 Do not use radio
Signal 20 Tower lights out Signal 21 Visitors present
Signal 22 Zone assignment Signal 24 Sex offender
Signal 26 Switch to channel 1 Signal 27 Switch to channel 2
Signal 28 Switch to channel 3 Signal 29 Switch to channel 5
Signal 30 Rape Signal 31 Kidnapping
Signal 32 Homicide Signal 33 Armed robbery
Signal 34 Strong-arm robbery Signal 35 Burglary from vehicle
Signal 36 Animal complaint Signal 37 Unlocked vehicle
Signal 38 Human error Signal 39 Mechanical error
Signal 40 Residence check

Suspension Codes

Used by SCHP and many other LE agencies to indicate prior suspension causes.

SC Cause Codes/Suspension Codes
S=Suspension. R=Revocation. C=Canceled.
1SDUI-DUI permanent, SR-22, Reinstatement, ADSAP
2SFinancial responsibility
3SPoint
4SReckless Driving
5RLeaving the scene of an accident
6SFailure to report an accident
7CFalse information-application
8CPhysically disqualified
9CFailure to appear for re-exam
10CMinor signature withdrawal
11RInvoluntary manslaughter
12RReckless Homicide
13SDUS
14STransporting illegal whiskey
15RProperty tax
16RRacing uninsured
17SDriving uninsured
18SFailure to stop for blue light
19RFalse insurance certificate
20SAcquiescing in racing
22SHabitual offender
25SDUS (NRVC), fail to pay reinstat.
26SDUS (DUI)
28SExcessive points
33SCDL suspended
35SMinor in possession of alcohol
36SDrugs
37SFail to stop for blue lights involving injury or death
38SChild support
39SPassing stopped school bus causing injury or death
40ROperating unlicensed taxi/vehicle
43 Owner Operating Uninsured
42 Cancellation of insurance
46 Non-owner operating uninsured
47 Accident-Uninsured motorist
53SFalse information on CDL
54SAlter/deface signs/signals
56SImplied consent<21
57SBAC=>.15
58SBAC =>.02 for those <21
60SFailure to file proof of insurance
68SMisrepresentation of identity
71SFelony in vehicle CDL
77SAccident default
78SFR accident (Failure to report)
79SJudgment
80SDishonored Check
81SFailure to file FR-10
91SImplied consent
94SCDL operating while out of service
95SFelony DUI
97SNRVC (Failing to pay for tickets)
99SDepartmental

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