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- Standardized Categories for Northwest Territories
- Standardized Categories for Norway
- Standardized Categories for Nova Scotia
- Standardized Categories for Nunavut
- Standardized Categories for Ohio
- Standardized Categories for Oklahoma
- Standardized Categories for Ontario
- Standardized Categories for Oregon
- Standardized Categories for Otago
- Standardized Categories for Panama
- Standardized Categories for Pennsylvania
- Standardized Categories for Poland
- Standardized Categories for Prince Edward Island
- Standardized Categories for Puerto Rico
- Standardized Categories for Quebec
- Standardized Categories for Queensland
- Standardized Categories for Rhode Island
- Standardized Categories for Russia
- Standardized Categories for Saint Kitts and Nevis
- Standardized Categories for Saskatchewan
- Standardized Categories for Singapore
- Standardized Categories for Slovakia
- Standardized Categories for South Africa
- Standardized Categories for South Australia
- Standardized Categories for South Carolina
- Standardized Categories for South Dakota
- Standardized Categories for Spain
- Standardized Categories for Sweden
- Standardized Categories for Switzerland
- Standardized Categories for Taiwan
- Standardized Categories for Tennessee
- Standardized Categories for Texas
- Standardized Categories for United Kingdom
- Standardized Categories for United States
- Standardized Categories for Utah
- Standardized Categories for Vermont
- Standardized Categories for Victoria
- Standardized Categories for Virgin Islands
- Standardized Categories for Virginia
- Standardized Categories for Washington
- Standardized Categories for West Virginia
- Standardized Categories for Wisconsin
- Standardized Categories for Wyoming
- Standardized Categories for Yukon
- Stanislaus County (CA)
- Stanislaus Regional 911
- Stanislaus Regional 911 Radio IDs
- Stanly County (NC)
- Staples Center
- Star-Spangled Spectacular
- Starbucks (Palm Beach Co.)
- Starcomm Wireless, Inc.
- Starcomm Wireless, Inc. (NXDN)
- Stark County (IL)
- Stark County (OH)
- Starke County (IN)
- Starland County (AB)
- Startup Configuration
- StatAir (TX) Apparatus
- State Agency/ISP Unit Designators
- State Agency Pages - Ohio
- State Communications
- State Emergency Services (VIC)
- State Mobile Radio (SMR)
- State Patrol (MN)
- State Police(NH) Radio IDs
- State Police (MA)
- State Police (MA) Apparatus
- State Police (MD)
- State Police (ME)
- State Police (NH)
- State Police (NJ)
- State Police (OR)
- State Police (VT)
- State Police (WV)
- State Wildlife Resources Agency (TN)
- State of Alabama
- State of Colorado DTRS
- State of Delaware Public Safety
- State of Delaware Public Safety RID/UIDs
- State of Delaware Public Safety Unknown Talkgroups
- State of Georgia Atlanta Trunked Radio System
- State of Hawaii
- State of Hawaii - Honolulu County (HI) Area
- State of Kansas Apparatus
- State of Louisiana - Legacy Analog SmartZone
- State of Oklahoma DPS / City of Tulsa
- Staten Island (NY)
- Statewide (NY) Fire Tone Outs
- Statewide Amateur Radio (SAR) Network
- Statewide County (ES)
- Statewide EMS (WV)
- Statewide Fire Interop Plan (NH)
- Statewide Law Enforcement Radio System
- Statewide Law Enforcement Radio System (EDACS)
- Statewide Law Enforcement Radio System (EDACS)/Mobile Radio System
- Statewide Utilities (NH)
- Station Casinos: Gun Lake Casino
- Stations Casinos: Gun Lake Casino Talkgroups
- Staunton City (VA)
- Ste. Genevieve County (MO)
- Stearns County (MN)
- Stearns County (MN) Radio IDs
- Stearns County (MN) Radio IDs Page 2
- Steele County (MN)
- Stennis Space Center
- Stennis Space Center (MS) Unknown Talkgroups
- Stephens Convention Center (Rosemont)
- Stephens County (GA)
- Stephens County (TX)
- Stephenson County (IL)
- Sterling (VA) Apparatus
- Stettler County (AB)
- Steuben County (IN)
- Steuben County (NY)
- Steuben County (NY) Fire Tone Outs
- Stevens County (MN)
- Stevens County (WA)
- Stewart County (GA)
- Stoddard County (MO)
- Stokes County (NC)
- Stone County (AR)
- Stone County (MO)
- Stone County (MS)
- Stone Mountain Park
- Stone Mountain Park P25
- Stone Mountain Park Type II with P25
- Stones Mobile Radio
- Stores
- Storey County (NV)
- Stormont, Dundas, Glengarry County (ON)
- Story County (IA)
- Strafford County (NH)
- Strathcona County (AB)
- Streaming with Trunk Recorder and Liquidsoap
- Sturtevant (WI) Police
- Subaudible data
- Subway (Palm Beach Co.)
- Sudbury District (ON) Fire Services
- Sudbury District County (ON)
- Suffolk
- Suffolk (Project 16)
- Suffolk (Project 25)
- Suffolk (Project 25) RIDs/UIDs
- Suffolk / Isle of Wight
- Suffolk / Isle of Wight / Gloucester
- Suffolk / Isle of Wight / Gloucester / James City / York
- Suffolk / Isle of Wight / Gloucester / James City / York Talkgroup Research
- Suffolk City (VA)
- Suffolk City (VA) Apparatus
- Suffolk County
- Suffolk County (MA)
- Suffolk County (MA) Ambulance Services
- Suffolk County (MA) Boston E.M.S.
- Suffolk County (MA) Boston FD
- Suffolk County (MA) Chelsea FD
- Suffolk County (MA) Revere FD
- Suffolk County (MA) Winthrop FD
- Suffolk County (NY)
- Suffolk County (NY) Drawbridges
- Suffolk County (NY) Fire Tone Outs
- Suffolk County (NY) Radio IDs
- Sugar Land Regional Airport (SGR) Fort Bend County (TX)
- Sullivan County (IN)
- Sullivan County (MO)
- Sullivan County (NH)
- Sullivan County (NY)
- Sullivan County (NY) Fire Tone Outs
- Sullivan County (PA)
- Sullivan County (TN)
- Sultan Kudarat County (SM)
- Sumatra (Liberty,FL) Site 5
- Summers County (WV)
- Summerside Airport (YSU) Prince County (PE)
- Summit County (CO)
- Summit County (OH)
- Summit County (P25)
- Summit County (P25) Unidentified Talkgroups
- Summit County (UT)
- Summit County Regional 800 Radio
- Summit County Regional 800 Radio IDs
- Summit County Regional 800 Radio Site Locations
- Summit County Regional 800 Radio Unknown Talkgroups
- Sumner County (KS)
- Sumner County (TN)
- Sumner County Public Safety
- Sumner County Public Safety (TN)
- Sumter County (FL)
- Sumter County (SC)
- Sumter County Public Safety System
- Sumter County Public Safety System Unknown Talkgroups
- SunHills Mining
- SunHills Mining Unknown Talkgroups
- Suncor - Firebag
- Suncor - Fort McMurray
- Suncor - Voyageur
- Suncor Energy (Mississauga)
- Suncor Energy (Mississauga) DMR Bandplan
- Suncor Energy (Mississauga) Radio IDs
- Suncor Energy (Mississauga) Unknown Talkgroups
- Suncor Energy (Sarnia)
- Suncor Energy (Sarnia) Unknown Talkgroups
- Sunflower County (MS)
- Sunshine Communications (Eagleville)
- Sunshine Communications (Eagleville) Unknown Talkgroups
- Sunshine Communications (Roxborough)
- Sunshine Communications (Roxborough) Unknown Talkgroups
- SuperDARN Radar
- Super Bowl LI
- Super Bowl XLVI
- Support Help
- Supreme Radio Communications (Bloomington)
- Supreme Radio Communications (Bloomington) Unknown Talkgroups
- Supreme Radio Communications (DMR)
- Supreme Radio Communications (DMR) Bloomington
- Supreme Radio Communications (DMR) E.Peoria
- Supreme Radio Communications (DMR) Macomb
- Supreme Radio Communications (DMR) Peoria
- Supreme Radio Communications (DMR) Research
- Supreme Radio Communications (DMR) System Information
- Supreme Radio Communications (East Peoria)
- Surete du Quebec (SQ) (QC)
- Surry County (NC)
- Susquehanna County (PA)
- Sussex County (DE)
- Sussex County (DE) Fire/EMS Stations
- Sussex County (DE) Fire Tone Outs
- Sussex County (DE) PD Stations
- Sussex County (NJ)
- Sussex County (NJ) Radio IDs
- Sussex County (VA)
- Sustained Interoperable Radio for Emergency Notification (SIREN)
- Sustained Interoperable Radio for Emergency Notification (SIREN) Conversion Info
- Sustained Interoperable Radio for Emergency Notification (SIREN) Unknown Talkgroups
- Sutter Buttes Communications (800 MHz)
- Sutter Buttes Communications (800 MHz) Trunking Research
- Sutter County (CA)
- Suwannee County (FL)
- Swain County (NC)
- Swift County (MN)
- Switzerland County (IN)
- Sycamore PD
- Sycamore PD (19005xx)
- Sycamore Police Department (19005xx)
- Sydney (Kingsford-Smith) International Airport (YSSY) Sydney Inner (SI) Division (NSW)
- Sydney Inner (SI) Division (NSW)
- Synchronous Detection
- Syncrude Canada - Aurora 1
- Syncrude Canada - Aurora 2A
- Syncrude Canada - Aurora 2B
- Syncrude Canada - Mildred Lake
- Syncrude Canada - Mildred Lake North Mine
- Syntor XX
- Syracuse Hancock International Airport (SYR) Onondaga County (NY)
- Systeme 3000 Waterfall
- T&W Electronics (DMR)
- T4Win
- TCU Place
- TCU Place Unknown Talkgroups
- TDMA
- TETRA
- TETRAPOL
- TFR
- TH-Thomasville Sub
- TL-Tallahassee Sub
- TM-Thomas Sub
- TMS430 Waterfall
- TN-Trenton Sub
- TO-Toledo Sub
- TOI
- TOPAZ Regional Wireless Cooperative (TRWC)
- TOPAZ Regional Wireless Cooperative (TRWC) Unknown Talkgroups
- TP-Tampa Terminal Sub
- TR-Terrell Sub
- TRACON
- TRBOCOM
- TRBOCOM Allentown DMR Bandplan
- TRBOCOM Chatsworth DMR Bandplan
- TRBOCOM Cherry Hill DMR Bandplan
- TRBOCOM Harrisonville DMR Bandplan
- TRBOCOM Hopewell DMR Bandplan
- TRBOCOM Lawrenceville DMR Bandplan
- TRBOCOM Manahawkin DMR Bandplan
- TRBOCOM Milmay DMR Bandplan
- TRBOCOM Twin Oaks DMR Bandplan
- TRBOMAX
- TRBOWEST (WA-OR-ID-CA)
- TRBOWEST (WA-OR-ID-CA) Bald Peak DMR Bandplan
- TRBOWEST (WA-OR-ID-CA) DSDPlus.Sites
- TRBOWEST (WA-OR-ID-CA) DSDPlus.frequencies
- TRBOWEST (WA-OR-ID-CA) Davenport DMR Bandplan
- TRBOWEST (WA-OR-ID-CA) Hoo Doo Mountain DMR Bandplan
- TRBOWEST (WA-OR-ID-CA) Krell Hill DMR Bandplan
- TRBOWEST (WA-OR-ID-CA) Lookout Point DMR Bandplan
- TRBOWEST (WA-OR-ID-CA) Mica Peak DMR Bandplan
- TRBOWEST (WA-OR-ID-CA) Mount Scott DMR Bandplan
- TRBOWEST (WA-OR-ID-CA) Mt Spokane DMR Bandplan
- TRBOWEST (WA-OR-ID-CA) Portland DMR Bandplan
- TRBOWEST (WA-OR-ID-CA) Prospect Hill DMR Bandplan
- TRBOWEST (WA-OR-ID-CA) Rainier DMR Bandplan
- TRBOWEST (WA-OR-ID-CA) Sandpoint Baldy DMR Bandplan
- TRBOWEST (WA-OR-ID-CA) Site 2 DMR Bandplan
- TRBOWEST (WA-OR-ID-CA) Site 3 DMR Bandplan
- TRBOWEST (WA-OR-ID-CA) Sites and Color Codes
- TRBOWEST (WA-OR-ID-CA) Unknown Talkgroups
- TRBOWEST (WA-OR-ID-CA) Woodland DMR Bandplan
- TRIconneX Connect Plus (WV-PA-OH)
- TRIconneX Connect Plus (WV-PA-OH) Site Research
- TRT Partners
- TRT Partners Unknown Talkgroups
- TRX-1
- TRX-2
- TSV
- TT2300B
- TWINPLEX
- T and W Electronics (DMR) DMR Bandplan
- Taber County (AB)
- Tac
- Taco Bell
- Taco Bell (Cayuga Co.)
- Taco Bell (Cortland Co.)
- Taco Bell (Herkimer Co.)
- Taco Bell (Jefferson Co.)
- Taco Bell (Madison Co.)
- Taco Bell (Oneida Co.)
- Taco Bell (Palm Beach Co.)
- Tacoma/Puyallup Public Safety
- Tacoma/Puyallup Public Safety Talkgroup Research
- Tadiran HF2000 Data Waterfall
- Tadiran HF2000 Voice Waterfall
- Tag
- Tags
- Tait
- Taiwan
- Talbot County (MD)
- Talbot County (MD) Bridges
- Talk Wireless (DMR St. Catharines)
- Talk Wireless (DMR St. Catharines) Bandplan
- Talk Wireless (DMR St. Catharines) Talkgroups and RIDs
- Talkgroup
- Talkgroups
- Tallahassee (Leon) Site 8
- Tallahassee (Leon,FL) Site 3
- Tallahassee / Leon County
- Tallahassee / Leon County (Project 25)