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- Lake County (CO)
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- Lake County (OH) Radio IDs on MARCS
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- Lake County Public Safety (IN) RID/UIDs
- Lake George Emergency Squad
- Lake George Vol. Fire Dept.
- Lake Havasu City
- Lake Havasu City TRS Unknown Talkgroups
- Lake Lure, NC Apparatus
- Lake Zurich School District 95
- Lake of the Woods County (MN)
- Lakefront Airport (NEW) Orleans Parish (LA)
- Lakeland Communications (Cook County)
- Lakeland Communications - UHF (Cook County)
- Lamar County (MS)
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- Lambton County (ON)
- Lamers Bus Lines
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- Lamont County (AB)
- Lanark County (ON)
- Lancaster County-Wide Communications (LCWC)
- Lancaster County-Wide Communications (LCWC) Digital POCSAG Pagers
- Lancaster County-Wide Communications (LCWC) Digital POSCAG Pagers
- Lancaster County-Wide Communications (LCWC) Unit IDs
- Lancaster County-Wide Communications (LCWC) Unknown Talkgroups
- Lancaster County (NE)
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- Lancaster County (PA) Fire/E.M.S. Sta. Locations
- Lancaster County (PA) Fire and EMS Station Numbers
- Lancaster County (PA) Law Enforcement Information
- Lancaster County (PA) P25 TRS Zones
- Lancaster County (PA) Tone Outs
- Lancaster County (VA)
- Land Air Communications (NXDN)
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- Lansing Board of Water and Light
- Lansing Board of Water and Light Unknown Talkgroups
- Lansing City BWL
- Lapeer County (MI)
- Lapeer County Medical Facility (Suncrest Daycare)
- Lapeer County Public Safety
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- Laramie County (WY) FTO
- Laredo International Airport (LRD) Webb County (TX)
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- Larimer County (CO) Radio ID's
- Las Animas County (CO)
- Las Vegas Metropolitan Police Department
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- Laughlin Air Force Base Val Verde County (TX)
- Laurel County (KY)
- Laurens County (SC)
- Laurentides County (QC)
- Lauttamus (T3)
- Lauttamus (T3) Site Research
- Lauttamus Communications - Chester
- Lauttamus Communications - Chester (WV) Unknown Talkgroups
- Lauttamus Communications - Weirton
- Lauttamus Communications Weirton Talkgroups
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- Lawton Communications (Motorola)
- Lawton Communications (Motorola) Unknown Talkgroups
- Lawton Goodyear Tire Plant
- Lawton Goodyear Tire Plant (OK) Unknown Talkgroups
- Le Sueur County (MN)
- Le Sueur County (MN) Radio IDs on ARMER
- Lea County (NM)
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- Leander (TX) Apparatus
- Leavenworth County (KS)
- Lebanon County (PA)
- Lebanon Public Safety
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- Lee County (FL)
- Lee County (FL) Drawbridges
- Lee County (IA)
- Lee County (IA) Bridges
- Lee County (IL)
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- Lee County (NC)
- Lee County (TX)
- Lee County AR
- Lee County P25-2
- Lee County P25-2 Talkgroup Research
- Lee County Public Safety (P25)
- Lee County Public Safety (P25) Talkgroups
- Leech Lake Band of Ojibwe
- Leech Lake Band of Ojibwe (MN)
- Leeds and Grenville County (ON)
- Leelanau County (MI)
- Leesburg (VA) Apparatus
- Leflore County (MS)
- Lehigh County (PA)
- Lehigh County (PA) EMS ID's
- Lehigh County (PA) Fire/E.M.S. Sta. Locations
- Lehigh County (PA) Fire ID's
- Lehigh County (PA) Police ID's
- Lemoore Naval Air Station/Reeves Field (NLC) Kings County (CA)
- Lenawee County (MI)
- Lenawee County (MI) Ambulance
- Lenawee County (MI) Fire Stations
- Lenawee County (MI) Law Enforcement
- Lennox and Addington County (ON)
- Lenoir County (NC)
- Leon County (FL)
- Leon County (TX)
- Lesser Slave River County (AB)
- Letcher County (KY)
- Lethbridge County (AB)
- Letterkenny Army Depot
- Letterkenny Army Depot (PA) Unknown Talkgroups
- Levy County (FL)
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- Lewis County (MO)
- Lewis County (NY)
- Lewis County (NY) Fire
- Lewis County (WA)
- Lewis University (Romeoville)
- Lewis University (Romeoville) Talkgroup Research
- Lexington-Fayette Urban County Government (P25)
- Lexington-Fayette Urban County Government (P25) Status Updates
- Lexington-Fayette Urban County Government Radio ID's
- Lexington Call Mobile
- Lexington County (SC)
- Liberty County (FL)
- Liberty County (GA)
- Liberty County (TX)
- Liberty County (TX) Unit IDs
- Licking County (OH)
- Licking County (OH)/Fire Apparatus list
- Lifeflight Of Maine (ME)
- Lihue International Airport (LIH) Kauai County (HI)
- Lima Charlie
- Limestone County (AL)
- Lincoln-Lancaster County
- Lincoln-Lancaster County Radio IDs
- Lincoln-Lancaster County Unknown Talkgroups
- Lincoln County (AR)
- Lincoln County (CO)
- Lincoln County (ME)
- Lincoln County (ME) Bridges
- Lincoln County (MN)
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- Lincoln County (SD)
- Lincoln County (WA)
- Lincoln County (WI)
- Lincoln County MO R3 Schools
- Lincoln County MO R3 Schools RID / UIDs
- Lincoln Municipal Airport (LNK) Lancaster County (NE)
- Lincoln Parish (LA)
- Line A
- Link11 Waterfalls
- Linn County (IA)
- Linn County (IA) Schools
- Linn County (MO)
- Linn County (OR)
- Linn County Public Safety (Project 25) System
- Linn County Public Safety (Project 25) System Radio IDs
- Linn and Johnson County Public Safety (Project 25) System
- Linn and Johnson County Public Safety (Project 25) Unknown Talkgroups
- Liquidsoap
- List of M/A-COM Radio Feature Codes
- Listening to AFRN in Baldwin County
- Listening to AIRS in Baldwin County
- Listening to South Sound 911 with a RTL-SDR
- Listening to the Bay Minette, Daphne, Foley, Robertsdale System
- Litchfield County (CT)
- Litchfield County (CT) Dispatching
- Litchfield County (CT) Fire Tone Outs
- Litchfield County CT Radio IDs
- Little Creek Naval Base Virginia Beach City (VA)
- Live Audio
- Live Audio/Ubuntu Darkice
- Live Audio API Licensees
- Live Audio Computer Based Applications
- Live Audio Help
- Live Audio Mobile Device Support
- Live Audio WiFi Based Applications
- Live Scanners
- Live Tunable Receivers
- Livingston Community Ambulance
- Livingston County (IL)
- Livingston County (MI)
- Livingston County (MO)
- Livingston County (NY)
- Livingston County (NY) Fire EMS
- Livingston County (NY) Fire Tone Outs
- Livingston County (NY) Law Enforcement
- Llano County (TX)
- Locating additional LTR frequencies
- Location Based Info
- Location Based Scanning
- Location Based Scanning Features
- Location Based Scanning Links
- Location Based Scanning Tips and Tricks
- Lockport, IL
- Lockport Township High School
- Lockport Township High School system Research
- Logan County (CO)
- Logan County (IL)
- Logan County (KS)
- Logan County (OH)
- Logan County (WV)
- Logan International Airport (BOS) Suffolk County (MA)
- Logic Trunked Radio
- Logical Channel Number
- Login Problems
- London
- London (ON) Fire Department
- London Public Safety
- London and Middlesex (EDACS)
- Long Beach Township, NJ Apparatus
- Long John Silvers (Blair Co.)
- Long John Silvers (Madison Co.)
- Lonoke County (AR)
- Loops
- Lorain County (OH)
- Los Alamos County (NM)
- Los Alamos National Laboratory
- Los Alamos National Laboratory Unknown Talkgroups
- Los Angeles, City of (Municipal Services)
- Los Angeles, City of (Municipal Services) System Description
- Los Angeles, County of (CWIRS - Municipal Services)
- Los Angeles (ZLA) Air Route Traffic Control Center
- Los Angeles County (CA)
- Los Angeles County (CA) Alhambra FD
- Los Angeles County (CA) Arcadia FD
- Los Angeles County (CA) Area Ambulance Services
- Los Angeles County (CA) Avalon FD
- Los Angeles County (CA) Beverly Hills FD
- Los Angeles County (CA) Boeing FD
- Los Angeles County (CA) Burbank FD
- Los Angeles County (CA) Chevron FD
- Los Angeles County (CA) Compton FD
- Los Angeles County (CA) County Fire
- Los Angeles County (CA) Culver City FD
- Los Angeles County (CA) Downey FD
- Los Angeles County (CA) El Segundo FD
- Los Angeles County (CA) Exxon Mobil Oil Refinery FD
- Los Angeles County (CA) FD
- Los Angeles County (CA) Glendale FD
- Los Angeles County (CA) Hermosa Beach FD
- Los Angeles County (CA) La Habra Heights FD
- Los Angeles County (CA) La Verne FD
- Los Angeles County (CA) Long Beach
- Los Angeles County (CA) Long Beach FD
- Los Angeles County (CA) Los Angeles
- Los Angeles County (CA) Los Angeles City FD
- Los Angeles County (CA) Manhattan Beach FD
- Los Angeles County (CA) Monrovia FD
- Los Angeles County (CA) Montebello FD
- Los Angeles County (CA) Monterey Park FD
- Los Angeles County (CA) NASA JPL FD
- Los Angeles County (CA) Pasadena FD
- Los Angeles County (CA) Pomona
- Los Angeles County (CA) Redondo Beach FD
- Los Angeles County (CA) San Gabriel FD
- Los Angeles County (CA) San Marino FD
- Los Angeles County (CA) Santa Fe Springs FD
- Los Angeles County (CA) Santa Monica FD
- Los Angeles County (CA) Sheriffs Department
- Los Angeles County (CA) Sierra Madre FD
- Los Angeles County (CA) South Pasadena FD
- Los Angeles County (CA) Torrance FD
- Los Angeles County (CA) U.S.A.F. Plant 42 FD
- Los Angeles County (CA) Vernon FD
- Los Angeles County (CA) Walt Disney Studios FD
- Los Angeles County (CA) Warner Bros. Studios FD
- Los Angeles County (CA) West Covina FD
- Los Angeles County Police Callsigns
- Louchart Enterprises (800 MHz)
- Louchart Enterprises MOTOTRBO System
- Louchart Enterprises MOTOTRBO System Talkgroup Research
- Loudon County (TN)
- Loudoun County
- Loudoun County (VA)
- Loudoun County (VA) Apparatus
- Loudoun County (VA) Radio IDs
- Loudoun County (VA) TRS Technical Information
- Loudoun County Public Schools
- Loudoun County Public Schools Unmatched Sites
- Louisa County (VA)
- Louisiana(US)
- Louisiana (US)
- Louisiana Parishes
- Louisiana Sports
- Louisiana State Police UIDs
- Louisiana Wireless Information Network (LWIN)
- Louisville Emergency Communications Network: MetroSafe
- Louisville Emergency Communications Network: Metrosafe Transmit Sites
- Low Power Units
- Lowell National Historic Park (MA)
- Lower Colorado River Authority (LCRA)
- Lower Colorado River Authority (LCRA)/LCRA LIDs
- Lower Colorado River Authority (LCRA)/LCRA Patches
- Lower Colorado River Authority (LCRA)/LCRA Unidentified TGs
- Lower Colorado River Authority (LCRA) OpenSky
- Lower Colorado River Authority (LCRA) OpenSky System Information
- Lower Colorado River Authority (LCRA) P25
- Lower Colorado River Authority (LCRA) P25 Site Testing
- Lower Merion Township
- Lower Merion Township Unknown Talkgroups
- Lower Rio Grande Valley Regional Radio System (LRGVRRS)
- Lower Rio Grande Valley Regional Radio System (LRGVRRS) talkgroup research
- Lowndes County (AL)
- Lowndes County (GA)
- Lowndes County (MS)
- Lowndes County Public Safety
- Lowndes County Public Safety P25
- Lowndes County Public Safety Radio IDs
- Lowndes County Public Safety Unit Numbering
- Loyola University Medical Center (Maywood)
- Lubbock / Lubbock County
- Lubbock County (TX)