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- RadioReference.com Web Service3.1
- RadioReference Services
- RadioReference UDXF Portal
- Radio Amateur Civil Emergency Service (RACES) (MD)
- Radio Amateur Civil Emergency Service (VA)
- Radio Communications of Virginia
- Radio Communications of Virginia (Connect Plus)
- Radio Communications of Virginia (Connect Plus) Site 1 DMR Bandplan
- Radio Communications of Virginia (Connect Plus) Site 2 DMR Bandplan
- Radio Communications of Virginia (Connect Plus) Unknown Talkgroups
- Radio Communications of Virginia (Midlothian)
- Radio Communications of Virginia (Type II)
- Radio Communications of Virginia (UHF Capacity Plus)
- Radio Communications of Virginia (UHF Capacity Plus) Chesterfield DMR Bandplan
- Radio Communications of Virginia (UHF Capacity Plus) Richmond DMR Bandplan
- Radio Communications of Virginia (UHF Capacity Plus) Unknown Talkgroups
- Radio Control Frequencies
- Radio Control Software
- Radio Coverage Maps
- Radio Maintenance, Inc.
- Radio Maintenance, Inc. Site Research
- Radio Maintenance, Inc. Talkgroup Research
- Radio North (Grand Traverse)
- Radio Programming Help
- Radio Shack Programming Software Free Trial
- Radio Shack Scanner Programming Software Support
- Radio Shack Scanner eBay Listings
- Radio Shack Scanners
- Radio Shack scanners
- Radio Spectrum Management and Allocations
- Radioworks Hytera XPT
- Rail (CA Nationwide)
- Railfan Radio FAQ
- Railfan links -alphabetic sort
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- Railways - Region - Hessen (DE)
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- Raleigh Durham International Airport (RDU) Wake County (NC)
- Ralls County (MO)
- Ramsey County (MN)
- Ramsey County (MN) Allina Health EMS
- Ramsey County (MN) Bridges
- Ramsey County (MN) Falcon Heights FD
- Ramsey County (MN) HealthEast Ambulance
- Ramsey County (MN) Lake Johanna FD
- Ramsey County (MN) Little Canada FD
- Ramsey County (MN) Maplewood FD
- Ramsey County (MN) New Brighton FD
- Ramsey County (MN) North St. Paul FD
- Ramsey County (MN) Radio IDs on ARMER
- Ramsey County (MN) Roseville FD
- Ramsey County (MN) Spring Lake Park-Blaine-Mounds View VFD
- Ramsey County (MN) St. Paul FD
- Ramsey County (MN) Vadnais Heights FD
- Ramsey County (MN) White Bear Lake FD
- Randolph Air Force Base Bexar County (TX)
- Randolph County (AR)
- Randolph County (IL)
- Randolph County (IN)
- Randolph County (MO)
- Randolph County (MO) EMS/Ambulance Services
- Randolph County (MO) Sheriff Dept.
- Randolph County (NC)
- Range Control
- Rankin County (MS)
- Rapid Wireless (Daytona Beach)
- Rapid Wireless (Daytona Beach) Unknown Talkgroups
- Rapid Wireless (Pompano Beach)
- Rapides Parish (LA)
- Rapides Parish (LA) Bridges
- Rappahannock County (VA)
- Rappahannock Electric Cooperative
- Rappahannock Electric Cooperative Site Research
- Raspberry Pi Broadcastify
- Raspberry Pi Broadcastify Build
- Raspberry Pi Broadcastify Image
- Raspberry Pi Broadcastify Image 2
- Raspberry Pi RTL-SDR Broadcastify
- Ray County (MO)
- Rayfield Communications - UHF (SWMO)
- Rayfield Communications - UHF (SWMO) Unknown Talkgroups
- Raymond (WI) Fire Dept
- Reading
- Reagan County (TX)
- Reagan Washington National Airport (DCA) Arlington County (VA)
- Rebanding
- Receiver Software Applications
- Recording Software and Tips
- Recreation (Future) Cook County (IL)
- Recreation Bay County (FL)
- Recreation Cook County (IL)
- Recreation and Attractions DuPage County (IL)
- Recreation and Attractions Oakland County (MI)
- Recreation and Attractions Peoria County (IL)
- Recreation and Attractions Rock Island County (IL)
- Recreation and Attractions St. Louis County (MO)
- Recreation and Attractions Wayne County (MI)
- Recreation and Attractions Will County (IL)
- Recreations and Attractions St. Charles County (MO)
- Red Deer City Services
- Red Deer City Services Radio IDs
- Red Deer County (AB)
- Red Lake County (MN)
- Red River Authority of Texas (TX)
- Red River County (TX)
- Redwood County (MN)
- Redwood County (MN) Radio IDs on ARMER
- Redwood Meadows County (AB)
- Reedy Creek Improvement District (Walt Disney World)
- Reedy Creek Improvement District (Walt Disney World) Unknown Talkgroups
- Refarming
- Refugio County (TX)
- Regina
- Regina (Motorola)
- Regina City (SK)
- Regina Radio Identifiers
- Regina Unknown Talkgroups
- Region 1 Mutual Aid Interoperable Communications System
- Regional Domestic Security Task Force (RDSTF) Interoperability
- Regional Mobile Radio (RMR)
- Regional Skywarn/Severe Weather (IN)
- Regional Wireless Cooperative (RWC)
- Regional Wireless Cooperative (RWC) RadioIDs
- Reidy, Rhodes and Taylor (Daytona Beach)
- Remington Park Oklahoma County (OK)
- Renfrew County (ON)
- Reno/Tahoe International Airport (RNO) Washoe County (NV)
- Reno County (KS)
- Rensselaer County
- Rensselaer County (NY)
- Rensselaer County (NY) Canal Locks
- Rensselaer County (NY) EMS
- Rensselaer County (NY) Fire Tone Outs
- Rensselaer County (NY) Firefighting
- Rensselaer County (NY) Law Enforcement
- Rensselaer County (NY) Troy City
- Rensselaer County (NY) Unknown Users
- Renville County (MN)
- Renville County (MN) Radio IDs on ARMER
- Repeater
- Repeater Reverse
- Repeater Systems
- Repeater Systems, Inc.
- Repeater Systems, Inc. Unknown Talkgroups
- Repeaters
- Replace a Blown Speaker in the 396
- Research Satellites
- Reseau National Integre de Radiocommunication (RENIR)
- Restricted Info
- Retail Broward County (FL)
- Retail Peel County (ON)
- Reynolds County (MO)
- Rhea County (TN)
- Rhode Island(US)
- Rhode Island (US)
- Rhode Island Counties
- Rhode Island Sports
- Rhode Island Statewide Communications Network (RISCON)
- Rhode Island Statewide Communications Network (RISCON) Radio / User IDs
- Rice County (KS)
- Rice County (MN)
- Rice County (MN) Radio IDs on ARMER
- Rich County (UT)
- Richard Lloyd Jones Jr Airport (KRVS) Tulsa County (OK)
- Richardson Oilseed
- Richardson Oilseed RID/UiDs
- Richardson Oilseed Unknown Talkgroups
- Richfield
- Richfield (OH) Radio IDs
- Richland County (IL)
- Richland County (OH)
- Richland County (SC)
- Richland County (WI)
- Richmond / Henrico / Chesterfield
- Richmond / Henrico / Chesterfield Radio Zones and Equipment
- Richmond City (VA)
- Richmond County (GA)
- Richmond County (NS)
- Richmond County (NY)
- Richmond County (VA)
- Richmond International Airport (RIC) Henrico County (VA)
- Rickenbacker Air National Guard Base Franklin County (OH)
- Riley County (KS)
- Rio Arriba County (NM)
- Rio Blanco County (CO)
- Rio Grande County (CO)
- Ripley County (IN)
- Ripley County (MO)
- Ritchie County (WV)
- River City Casino (Lemay - St Louis)
- River City Casino and Hotel - St Louis
- Riverside (CA) Fire Department Stations
- Riverside County (CA)
- Riverside County (CA) Fire Department Stations
- Riverside County (CA) Fire Stations
- Riverside County Public Safety Enterprise Communication Project (PSEC)
- Roane County (TN)
- Roane County (WV)
- Roanoke City (VA)
- Roanoke County (VA)
- Roanoke Regional Airport (ROA) Roanoke City (VA)
- Robbinsdale Area Schools
- Robeson County (NC)
- Robust Packet Radio Examples
- Rochester (WI) Fire Department
- Rochester Gas and Electric
- Rochester International Airport (RST) Olmsted County (MN)
- Rock-Tenn
- Rock-Tenn Radio IDs
- Rock-Tenn Unknown Talkgroups
- Rock County (MN)
- Rock County (WI)
- Rock Island County (IL)
- Rock Island County (IL) Fire/EMS
- Rockbridge County (VA)
- Rockcastle County (KY)
- Rockdale County (GA)
- Rockingham / Harrisonburg / Page
- Rockingham County (NC)
- Rockingham County (NH)
- Rockingham County (NH) Bridges
- Rockingham County (VA)
- Rockland County (NY)
- Rockland County (NY) EMS
- Rockland County (NY) Fire Tone Outs
- Rockland County (NY) Firefighting
- Rockland County (NY) Law Enforcement
- Rockland County Public Safety Communications System
- Rockland County Public Safety Communications System (RCPSCS)
- Rockland County Public Safety Communications System Radio IDs
- Rockland County Public Safety Communications System Site and System Details
- Rockwall (P25) RIDs/UIDs
- Rockwall County (P25)
- Rockwall County (P25) Unknown Talkgroups
- Rockwall County (TX)
- Rockwool
- Rocky Mount (NC)
- Rocky Mountain National Park (CO)
- Rockyview County (AB)
- Roe Communications - UHF
- Roe Communications - UHF EDACS Information
- Rogers County (OK)
- Rome Public Safety
- Rome Public Safety Unknown Talkgroups
- Rooks County (KS)
- Roosevelt County (MT)
- Roosevelt Island Search and Rescue (RISAR) Queens (NY)
- Roscommon County (MI)
- Roseau County (MN)
- Ross County (OH)
- Roswell Industrial Air Center Airport (ROW) Chaves County (NM)
- Round Hill (VA) Apparatus
- Round Rock (TX) Apparatus
- Routt County (CO)
- Rowan County (KY)
- Rowan County (NC)
- Roxul
- Roxul Unknown Talkgroups
- Royal Canadian Mounted Police (RCMP) (AB)
- Royal Canadian Mounted Police (RCMP) (BC)
- Royal Canadian Mounted Police (RCMP) (NB)
- Royal Canadian Mounted Police (RCMP) (ON)
- Royal Canadian Mounted Police - J Division (NB)
- Running Sentinel under CrossOver
- Running the PCR1500 in Windows7
- Rural/Metro Syracuse
- Rural Metro Medical Services (NY)
- Rural Metro Rochester (NY)
- RusIntel 50Baud Waterfall
- Rusk County (WI)
- Russell County (KS)
- Russell County (VA)
- Russian T600 Frequencies and Callsigns
- Rutherford County (NC)
- Rutherford County (TN)
- Rutherford County Fire/Ems Two Tones
- Rutherford County Law Enforcement Agencies 10 Codes
- Rutherford County Public Safety
- Rutherford County Radio IDs
- Rutherford County Unknown Talkgroups
- Rutherford County User ID Ranges
- Rutherford Electric Membership Cooperative (Gilkey)
- Rutherford Electric Membership Cooperative (Gilkey) Coverage map
- S1-Schodack Sub
- S2-Syracuse Terminal Sub
- S3-Spartanburg Sub
- S5-Seth Sub
- S7-Saint Lawrence Sub
- SAAQ (Transport Enforcement) (QC)
- SAME
- SARA Network
- SARA Network Unknown Talkgroups
- SATCOM
- SATCOM Antennas
- SATCOM eBay Listings
- SC-S and C Sub
- SC150
- SC150 eBay Listings
- SC180
- SC180 eBay Listings
- SC200
- SC200 eBay Listings
- SC230
- SC230 eBay Listings
- SCADA
- SCAN-AID
- SCAN-AID-MetroStLouisRoads
- SCAN-AID Emissions
- SCANA/SCE&G
- SCANA/SCE and G
- SCANA/SCE and G Site Research
- SCANDATA.FAQ
- SC Army/Air National Guard
- SC County Geotag Information
- SC Department of Health and Environmental Control (DHEC) (SC)
- SC Department of Natural Resources (SC DNR) (SC)
- SC Department of Natural Resources for Palmetto (P25)
- SC Emergency Management Division (SC EMD) (SC)
- SC Federal (SC)
- SC Forestry Commission (SC)
- SC HEART DMR Network
- SC Highway Patrol/Department of Public Safety (SC)
- SC Interop/Mutual Aid (SC)
- SC Interstate Routes
- SC Medical Helicopters
- SC Public Service Authority
- SC Public Service Authority Unverified Sites
- SC State Law Enforcement Division (SLED) (SC)
- SC Utilities (SC)