Categories-Tree

• This article details the hierarchical structure of the Wiki's categories.
• Categories that have multiple parents will appear below in multiple branches of the category-tree.
• This page is updated manually, and is not programmatically-driven by the master-list of categories.
• The first part of this article represents the existing tree-structure and should not be changed unless the actual tree-structure changes.
• Please edit only the bottom section ("Proposed Category Stucture Changes") if demonstrating an idea for a proposed change.
• Discussions are in the Wiki forum, and include the following thread(s):
  • Storing freqs in the wiki

Existing Categories

Sorted Alphabetically

(Later, this list might be placed into a "sortable" table.)

• AFRRCS Sites -- parent(s): Alberta
• AOR Receivers -- parent(s): Desktop Receivers, Handheld Receivers, Mobile Receivers, PC Receivers
• Air National Guard -- parent(s): Milcom
• Air National Guard Frequencies -- parent(s): Air National Guard, Wiki Frequencies
• Air Show Frequencies -- parent(s): Air Shows, Wiki Frequencies
• Air Shows -- parent(s): Aircraft Monitoring, Milcom, Special Events
• Air Traffic Control -- parent(s): Aircraft Monitoring
• Air Traffic Control Frequencies -- parent(s): Air Traffic Control, Wiki Frequencies
• Aircraft Monitoring -- parent(s): Collaboration, Wiki Frequencies
• Airports -- parent(s): Aircraft Monitoring
• Alabama -- parent(s): Southern Region
• Alabama Frequencies -- parent(s): Alabama, Wiki Frequencies
• Alaska -- parent(s): Pacific Region
• Alaska Frequencies -- parent(s): Alaska, Wiki Frequencies
• Alberta -- parent(s): Province Data
• Alberta Counties -- parent(s): Alberta
• Alinco Radios -- parent(s): * none *
• Amateur Radio Frequencies -- parent(s): Wiki Frequencies
• Amateur Radio Gear -- parent(s): * none *
• Amateur Radio Repeaters -- parent(s):* none *
• Analog Trunktrackers -- parent(s): Trunking Scanners
• Antennas -- parent(s): * none *
• Arizona -- parent(s): Intermountain Region
• Arizona Frequencies -- parent(s): Arizona, Wiki Frequencies
• Arkansas -- parent(s): Southern Region
• Arkansas Frequencies -- parent(s): Arkansas, Wiki Frequencies
• Army National Guard -- parent(s): Milcom
• Army National Guard Frequencies -- parent(s): Army National Guard, Wiki Frequencies
• Asia -- parent(s):
• Attractions -- parent(s): * none *
• Australia -- parent(s): Collaboration
• BCAS -- parent(s): British Columbia
• British Columbia -- parent(s): Province Data
• British Columbia Frequencies -- parent(s): British Columbia, Wiki Frequencies
• Broadcasting -- parent(s): * none *
• BuTel Software -- parent(s): Software Applications
• Business Frequencies -- parent(s): Businesses, Wiki Frequencies
• Businesses -- parent(s): Collaboration
• CSX Transportation -- parent(s): Railroads
• California -- parent(s): Pacific Region
• California Frequencies -- parent(s): -- parent(s): California, Wiki Frequencies
• Caribbean Region -- parent(s): * none *
• Casinos -- parent(s): * none *
• Chicago Metro Area -- parent(s): Illinois
• Collaboration -- parent(s): * none *
• Colorado -- parent(s): Great Plains Region
• Colorado DTRS Site Information -- parent(s): Colorado
• Colorado Frequencies -- parent(s): Colorado, Wiki Frequencies
• Connecticut -- parent(s): New England Region
• Connecticut Frequencies -- parent(s): Connecticut, Wiki Frequencies
• Conservation -- parent(s): * none *
• Conventional Scanners -- parent(s): Desktop Scanners, Handheld Scanners, Mobile Scanners
• D-STAR -- parent(s): * none *
• DMA Radios Hints and Kinks -- parent(s): * none *
• Delaware -- parent(s): Mid Atlantic Region
• Delaware Frequencies -- parent(s): Delaware, Wiki Frequencies
• Desktop Receivers -- parent(s): * none *
• Desktop Scanners -- parent(s): * none *
• Detroit Metro Area -- parent(s): * none *
• Digital Scanners -- parent(s): Trunking Scanners
• Digital Voice -- parent(s): * none *
• Disambiguation -- parent(s): Collaboration
• District of Columbia -- parent(s): Mid Atlantic Region
• District of Columbia Frequencies -- parent(s): District of Columbia, Wiki Frequencies
• Downloads -- parent(s): * none *
• EBay -- parent(s): * none *
• Education -- parent(s): Collaboration
• Encryption -- parent(s): Collaboration
• England -- parent(s): * none *
• Europe -- parent(s): Collaboration
• FAQ -- parent(s): * none *
• FCC -- parent(s): * none *
• FTOs -- parent(s): Collaboration
• Fast Food Frequencies -- parent(s): Businesses, Wiki Frequencies
• Florida -- parent(s): Southern Region
• Florida Frequencies -- parent(s): Florida, Wiki Frequencies
• FreeSCAN -- parent(s): Software Applications
• Gateways -- parent(s): * none *
• Georgia -- parent(s): Southern Region
• Georgia Frequencies -- parent(s): Georgia, Wiki Frequencies
• Great Plains Region -- parent(s): Collaboration
• HF Topics -- parent(s): * none *
• Handheld Receivers -- parent(s): * none *
• Handheld Scanners -- parent(s): * none *
• Hawaii -- parent(s): -- parent(s): Pacific Region
• Hawaii Frequencies -- parent(s): Hawaii, Wiki Frequencies
• Help -- parent(s): * none *
• Idaho -- parent(s): Intermountain Region
• Idaho Frequencies -- parent(s): Idaho, Wiki Frequencies
• Illinois -- parent(s): Midwest Region
• Illinois Frequencies -- parent(s): Illinois, Wiki Frequencies
• Indiana -- parent(s): Midwest Region
• Indiana Frequencies -- parent(s): Indiana, Wiki Frequencies
• Intermountain Region -- parent(s): Collaboration
• Iowa -- parent(s): Midwest Region
• Iowa Frequencies -- parent(s): Iowa, Wiki Frequencies
• Kansas -- parent(s): Great Plains Region
• Kansas City Metro Area -- parent(s): Kansas, Missouri
• Kansas Frequencies -- parent(s): -- parent(s): Kansas, Wiki Frequencies
• Kentucky -- parent(s): Southern Region
• Kentucky Frequencies -- parent(s): Kentucky, Wiki Frequencies
• Legal -- parent(s): * none *
• Live Audio Broadcasting -- parent(s): * none *
• Location Based Scanning -- parent(s): Desktop Scanners, Handheld Scanners, Mobile Scanners
• Louisiana -- parent(s): Southern Region
• Louisiana Frequencies -- parent(s): Louisiana, Wiki Frequencies
• MOTOTRBO Information -- parent(s): Collaboration
• Maine -- parent(s): New England Region
• Maine Frequencies -- parent(s): Maine, Wiki Frequencies
• Major Events and Disasters -- parent(s): * none *
• Manitoba -- parent(s): Province Data
• Maryland -- parent(s): Mid Atlantic Region
• Maryland Frequencies -- parent(s): Maryland, Wiki Frequencies
• Massachusetts -- parent(s): New England Region
• Massachusetts Frequencies -- parent(s): Massachusetts, Wiki Frequencies
• Media -- parent(s): * none *
• Medical -- parent(s): Collaboration
• Michigan -- parent(s): Midwest Region
• Michigan Frequencies -- parent(s): Michigan, Wiki Frequencies
• Mid Atlantic Region -- parent(s):
• Midwest Region -- parent(s): Collaboration
• MilSat -- parent(s): Milcom, Satellites
• Milcom -- parent(s): Collaboration
• Milcom Frequencies -- parent(s): Milcom, Wiki Frequencies
• Minnesota -- parent(s): Midwest Region
• Minnesota Frequencies -- parent(s): Minnesota, Wiki Frequencies
• Mississippi -- parent(s): Southern Region
• Mississippi Frequencies -- parent(s): Mississippi, Wiki Frequencies
• Missouri -- parent(s): Midwest Region
• Missouri Frequencies -- parent(s): Missouri, Wiki Frequencies
• Mobile Receivers -- parent(s): * none *
• Mobile Scanners -- parent(s): * none *
• Modifications -- parent(s): * none *
• Montana -- parent(s): Great Plains Region
• Montana Frequencies -- parent(s): Montana, Wiki Frequencies
• Motor Freight -- parent(s): Collaboration
• Mutual Aid Box Alarm System -- parent(s): Illinois
• Nebraska -- parent(s): Great Plains Region
• Nebraska Frequencies -- parent(s): Nebraska, Wiki Frequencies
• Nevada -- parent(s): Intermountain Region
• Nevada Frequencies -- parent(s): Nevada, Wiki Frequencies
• New Brunswick -- parent(s): Province Data
• New England Region -- parent(s): Collaboration
• New Hampshire -- parent(s): New England Region
• New Hampshire Frequencies -- parent(s): New Hampshire, Wiki Frequencies
• New Jersey -- parent(s): Mid Atlantic Region
• New Jersey Frequencies -- parent(s): New Jersey, Wiki Frequencies
• New Mexico -- parent(s): Great Plains Region
• New Mexico Frequencies -- parent(s): New Mexico, Wiki Frequencies
• New York -- parent(s): Mid Atlantic Region
• New York Frequencies -- parent(s): New York, Wiki Frequencies
• Newfoundland/Labrador -- parent(s): Province Data
• North Carolina -- parent(s): Southern Region
• North Carolina Frequencies -- parent(s): North Carolina, Wiki Frequencies
• North Dakota -- parent(s): Great Plains Region
• North Dakota Frequencies -- parent(s): North Dakota, Wiki Frequencies
• Northwest Territories -- parent(s): Province Data
• Nova Scotia -- parent(s): Province Data
• Nunavut -- parent(s): Province Data
• Object Oriented Scanners -- parent(s): * none *
• Ohio -- parent(s): Midwest Region
• Ohio Frequencies -- parent(s): Ohio, Wiki Frequencies
• Oklahoma -- parent(s): Great Plains Region
• Oklahoma Frequencies -- parent(s): Oklahoma, Wiki Frequencies
• Online Radios -- parent(s): * none *
• Ontario -- parent(s): Province Data
• Ontario Frequencies -- parent(s): Ontario, Wiki Frequencies
• Oregon -- parent(s): Pacific Region
• Oregon Frequencies -- parent(s): Oregon, Wiki Frequencies
• PC Receivers -- parent(s): * none *
• Pacific Region -- parent(s): Collaboration
• Pennsylvania -- parent(s): Mid Atlantic Region
• Pennsylvania Frequencies -- parent(s): Pennsylvania, Wiki Frequencies
• Personal Radio Services -- parent(s): * none *
• Prince Edward Island -- parent(s): Province Data
• Professional Radios -- parent(s): * none *
• Programming FAQs and Tips -- parent(s): * none *
• Propagation Links -- parent(s): * none *
• Province Data -- parent(s): Collaboration
• Puerto Rico -- parent(s): Caribbean Region, US Possessions
• Puerto Rico Frequencies -- parent(s): Puerto Rico, Wiki Frequencies
• Quebec -- parent(s): Province Data
• RID/UID Lists -- parent(s): * none *
• RR Glossary -- parent(s): * none *
• Radio Models -- parent(s): * none *
• Radio Shack Scanners -- parent(s): Radio Models
• Railroads -- parent(s): Collaboration
• Rebanding Supported Scanners -- parent(s): Desktop Scanners, Handheld Scanners, Mobile Scanners
• Receiver Reviews -- parent(s): Desktop Receivers, Handheld Receivers, Mobile Receivers, PC Receivers
• Recreation -- parent(s): * none *
• Regional Programming -- parent(s): Collaboration
• Regions of the Northwest Territories -- parent(s): * none *
• Reviews -- parent(s): Desktop Scanners, Handheld Scanners, Mobile Scanners
• Rhode Island -- parent(s): New England Region
• Rhode Island Frequencies -- parent(s): Rhode Island, Wiki Frequencies
• Saskatchewan -- parent(s): Province Data
• Satellites -- parent(s): Collaboration
• Scanner accessories -- parent(s): Desktop Scanners, Handheld Scanners, Mobile Scanners
• Software Applications -- parent(s): * none *
• South Carolina -- parent(s): Southern Region
• South Carolina Frequencies -- parent(s): South Carolina, Wiki Frequencies
• South Dakota -- parent(s): Great Plains Region
• South Dakota Frequencies -- parent(s): South Dakota, Wiki Frequencies
• Southern Region -- parent(s): Collaboration
• Special Events -- parent(s): Collaboration
• Sports Events and Organizations -- parent(s): Collaboration
• Sports Events and Organizations Frequencies -- parent(s): Sports Events and Organizations, Wiki Frequencies
• St Louis Metro Area -- parent(s): Illinois, Missouri
• Statewide Public Safety Systems -- parent(s): * none *
• Tennessee -- parent(s): Southern Region
• Tennessee Frequencies -- parent(s): Tennessee, Wiki Frequencies
• Testcat 1 -- parent(s): * none *
• Testcat 1-1 -- parent(s): Testcat 1
• Texas -- parent(s): Southern Region
• Texas Frequencies -- parent(s): Texas, Wiki Frequencies
• Transportation -- parent(s): Collaboration
• Travel Scanning -- parent(s): Collaboration
• Trunked Radio Systems -- parent(s): Collaboration
• Trunking Information -- parent(s): Collaboration
• Trunking Scanners -- parent(s): Desktop Scanners, Handheld Scanners, Mobile Scanners, Trunktracking Topics
• Trunktracking Topics -- parent(s): * none *
• US Civil Air Patrol -- parent(s): US Federal Government, United States Air Force
• US Civil Air Patrol Frequencies -- parent(s): US Federal Government Frequencies, United States Air Force Frequencies
• US Defense -- parent(s): , US Federal Government
• US Federal Government -- parent(s):
• US Federal Government Frequencies -- parent(s): US Federal Government, Wiki Frequencies
• US Federal Prisons -- parent(s): US Federal Government
• US Federal Prisons Frequencies -- parent(s): US Federal Prisons, US Federal Government Frequencies
• US Fish and Wildlife -- parent(s): US Federal Government
• US Forest Service -- parent(s): US Federal Government
• US Forest Service Frequencies -- parent(s): US Forest Service, US Federal Government Frequencies
• US Indian Affairs -- parent(s): US Federal Government
• US Land Management -- parent(s): US Federal Government
• US National Parks -- parent(s): US Federal Government
• US National Parks Frequencies -- parent(s): US National Parks, US Federal Government Frequencies
• US Possessions -- parent(s): Collaboration
• US Reclamation -- parent(s): US Federal Government
• US Reclamation Frequencies -- parent(s): US Reclamation, US Federal Government Frequencies
• US and Canadian Common Frequencies -- parent(s): Wiki Frequencies
• Uniden Scanners -- parent(s): Radio Models
• United States Air Force -- parent(s): Milcom
• United States Air Force Frequencies -- parent(s): United States Air Force, Milcom Frequencies
• United States Army -- parent(s): Milcom
• United States Army Frequencies -- parent(s): United States Army, Milcom Frequencies
• United States Coast Guard -- parent(s): Milcom
• United States Coast Guard Frequencies -- parent(s): United States Coast Guard, Milcom Frequencies
• United States Navy -- parent(s): Milcom
• United States Navy Frequencies -- parent(s): United States Navy, Milcom Frequencies
• Utah -- parent(s): Intermountain Region
• Utah Frequencies -- parent(s): Utah, Wiki Frequencies
• Utilities -- parent(s): Collaboration
• Utilities Frequencies -- parent(s): Utilities, Wiki Frequencies
• Vermont -- parent(s): New England Region
• Vermont Frequencies -- parent(s): Vermont, Wiki Frequencies
• Virginia -- parent(s): Southern Region
• Virginia Frequencies -- parent(s): Virginia, Wiki Frequencies
• Washington -- parent(s): Pacific Region
• Washington Frequencies -- parent(s): Washington, Wiki Frequencies
• West Virginia -- parent(s): Southern Region
• West Virginia Frequencies -- parent(s): West Virginia, Wiki Frequencies
• Wiki Frequencies -- parent(s):
• Wisconsin -- parent(s): Midwest Region
• Wisconsin Frequencies -- parent(s):
• Wyoming -- parent(s): Great Plains Region
• Wyoming Frequencies -- parent(s): Wyoming, Wiki Frequencies
• Yukon -- parent(s): Province Data

Existing Tree Structure

Orphaned (Uncategorized) Categories

• Alinco Radios -- parent(s): * none *
• Amateur Radio Gear -- parent(s): * none *
• Amateur Radio Repeaters -- parent(s):* none *
• Antennas -- parent(s): * none *
• Attractions -- parent(s): * none *
• Broadcasting -- parent(s): * none *
• Caribbean Region -- parent(s): * none *
• Casinos -- parent(s): * none *
• Collaboration -- parent(s): * none *
• Conservation -- parent(s): * none *
• D-STAR -- parent(s): * none *
• DMA Radios Hints and Kinks -- parent(s): * none *
• Desktop Receivers -- parent(s): * none *
• Desktop Scanners -- parent(s): * none *
• Detroit Metro Area -- parent(s): * none *
• Downloads -- parent(s): * none *
• EBay -- parent(s): * none *
• England -- parent(s): * none *
• FAQ -- parent(s): * none *
• FCC -- parent(s): * none *
• Gateways -- parent(s): * none *
• HF Topics -- parent(s): * none *
• Handheld Receivers -- parent(s): * none *
• Handheld Scanners -- parent(s): * none *
• Help -- parent(s): * none *
• Legal -- parent(s): * none *
• Live Audio Broadcasting -- parent(s): * none *
• Major Events and Disasters -- parent(s): * none *
• Mobile Receivers -- parent(s): * none *
• Mobile Scanners -- parent(s): * none *
• Modifications -- parent(s): * none *
• Object Oriented Scanners -- parent(s): * none *
• PC Receivers -- parent(s): * none *
• Personal Radio Services -- parent(s): * none *
• Professional Radios -- parent(s): * none *
• Programming FAQs and Tips -- parent(s): * none *
• Propagation Links -- parent(s): * none *
• RID/UID Lists -- parent(s): * none *
• RR Glossary -- parent(s): * none *
• Radio Models -- parent(s): * none *
• Recreation -- parent(s): * none *
• Regions of the Northwest Territories -- parent(s): * none *
• Software Applications -- parent(s): * none *
• Statewide Public Safety Systems -- parent(s): * none *
• Testcat 1 -- parent(s): * none *
• Trunktracking Topics -- parent(s): * none *

Top Node: Collaboration

• Aircraft Monitoring -- parent(s): Collaboration, Wiki Frequencies
  • Air Shows -- parent(s): Aircraft Monitoring, Milcom, Special Events
  • Air Traffic Control -- parent(s): Aircraft Monitoring
  • Airports -- parent(s): Aircraft Monitoring
• Australia -- parent(s): Collaboration
• Businesses -- parent(s): Collaboration
  • Business Frequencies -- parent(s): Businesses, Wiki Frequencies
  • Fast Food Frequencies -- parent(s): Businesses, Wiki Frequencies
• Disambiguation -- parent(s): Collaboration
• Education -- parent(s): Collaboration
• Encryption -- parent(s): Collaboration
• Europe -- parent(s): Collaboration
• FTOs -- parent(s): Collaboration
• Great Plains Region -- parent(s): Collaboration
  • Colorado -- parent(s): Great Plains Region
    • Colorado DTRS Site Information -- parent(s): Colorado
    • Colorado Frequencies -- parent(s): Colorado, Wiki Frequencies
  • Kansas -- parent(s): Great Plains Region
    • Kansas City Metro Area -- parent(s): Kansas, Missouri
    • Kansas Frequencies -- parent(s): -- parent(s): Kansas, Wiki Frequencies
  • Montana -- parent(s): Great Plains Region
    • Montana Frequencies -- parent(s): Montana, Wiki Frequencies
  • Nebraska -- parent(s): Great Plains Region
    • Nebraska Frequencies -- parent(s): Nebraska, Wiki Frequencies
  • New Mexico -- parent(s): Great Plains Region
    • New Mexico Frequencies -- parent(s): New Mexico, Wiki Frequencies
  • North Dakota -- parent(s): Great Plains Region
    • North Dakota Frequencies -- parent(s): North Dakota, Wiki Frequencies
  • Oklahoma -- parent(s): Great Plains Region
    • Oklahoma Frequencies -- parent(s): Oklahoma, Wiki Frequencies
  • South Dakota -- parent(s): Great Plains Region
    • South Dakota Frequencies -- parent(s): South Dakota, Wiki Frequencies
  • Wyoming -- parent(s): Great Plains Region
    • Wyoming Frequencies -- parent(s): Wyoming, Wiki Frequencies
• Intermountain Region -- parent(s): Collaboration
  • Arizona -- parent(s): Intermountain Region
    • Arizona Frequencies -- parent(s): Arizona, Wiki Frequencies
  • Idaho -- parent(s): Intermountain Region
    • Idaho Frequencies -- parent(s): Idaho, Wiki Frequencies
  • Nevada -- parent(s): Intermountain Region
    • Nevada Frequencies -- parent(s): Nevada, Wiki Frequencies
  • Utah -- parent(s): Intermountain Region
    • Utah Frequencies -- parent(s): Utah, Wiki Frequencies
• MOTOTRBO Information -- parent(s): Collaboration
• Medical -- parent(s): Collaboration
• Midwest Region -- parent(s): Collaboration
• Milcom -- parent(s): Collaboration
  • Air National Guard -- parent(s): Milcom
    • Air National Guard Frequencies -- parent(s): Air National Guard, Wiki Frequencies
  • Air Shows -- parent(s): Aircraft Monitoring, Milcom, Special Events
    • Air Show Frequencies -- parent(s): Air Shows, Wiki Frequencies
  • Army National Guard -- parent(s): Milcom
    • Army National Guard Frequencies -- parent(s): Army National Guard, Wiki Frequencies
  • MilSat -- parent(s): Milcom, Satellites
  • Milcom Frequencies -- parent(s): Milcom, Wiki Frequencies
  • United States Air Force -- parent(s): Milcom
    • United States Air Force Frequencies -- parent(s): United States Air Force, Milcom Frequencies
  • United States Army -- parent(s): Milcom
    • United States Army Frequencies -- parent(s): United States Army, Milcom Frequencies
  • United States Coast Guard -- parent(s): Milcom
    • United States Coast Guard Frequencies -- parent(s): United States Coast Guard, Milcom Frequencies
  • United States Navy -- parent(s): Milcom
    • United States Navy Frequencies -- parent(s): United States Navy, Milcom Frequencies
• Motor Freight -- parent(s): Collaboration
• New England Region -- parent(s): Collaboration
  • Connecticut -- parent(s): New England Region
    • Connecticut Frequencies -- parent(s): Connecticut, Wiki Frequencies
  • Maine -- parent(s): New England Region
    • Maine Frequencies -- parent(s): Maine, Wiki Frequencies
  • Massachusetts -- parent(s): New England Region
    • Massachusetts Frequencies -- parent(s): Massachusetts, Wiki Frequencies
  • New Hampshire -- parent(s): New England Region
    • New Hampshire Frequencies -- parent(s): New Hampshire, Wiki Frequencies
  • Rhode Island -- parent(s): New England Region
    • Rhode Island Frequencies -- parent(s): Rhode Island, Wiki Frequencies
  • Vermont -- parent(s): New England Region
    • Vermont Frequencies -- parent(s): Vermont, Wiki Frequencies
• Pacific Region -- parent(s): Collaboration
  • Alaska -- parent(s): Pacific Region
    • Alaska Frequencies -- parent(s): Alaska, Wiki Frequencies
  • California -- parent(s): Pacific Region
    • California Frequencies -- parent(s): -- parent(s): California, Wiki Frequencies
  • Hawaii -- parent(s): -- parent(s): Pacific Region
    • Hawaii Frequencies -- parent(s): Hawaii, Wiki Frequencies
  • Oregon -- parent(s): Pacific Region
    • Oregon Frequencies -- parent(s): Oregon, Wiki Frequencies
  • Washington -- parent(s): Pacific Region
    • Washington Frequencies -- parent(s): Washington, Wiki Frequencies
• Province Data -- parent(s): Collaboration
  • Alberta -- parent(s): Province Data
    • AFRRCS Sites -- parent(s): Alberta
    • Alberta Counties -- parent(s): Alberta
  • British Columbia -- parent(s): Province Data
    • BCAS -- parent(s): British Columbia
    • British Columbia Frequencies -- parent(s): British Columbia, Wiki Frequencies
  • Manitoba -- parent(s): Province Data
  • New Brunswick -- parent(s): Province Data
  • Newfoundland/Labrador -- parent(s): Province Data
  • Northwest Territories -- parent(s): Province Data
  • Nova Scotia -- parent(s): Province Data
  • Nunavut -- parent(s): Province Data
  • Ontario -- parent(s): Province Data
    • Ontario Frequencies -- parent(s): Ontario, Wiki Frequencies
  • Prince Edward Island -- parent(s): Province Data
  • Quebec -- parent(s): Province Data
    • Category:Quebec Public Safety -- parent(s): Quebec
  • Saskatchewan -- parent(s): Province Data
  • Yukon -- parent(s): Province Data
• Railroads -- parent(s): Collaboration
  • CSX Transportation -- parent(s): Railroads
• Regional Programming -- parent(s): Collaboration
• Satellites -- parent(s): Collaboration
  • MilSat -- parent(s): Milcom, Satellites
• Southern Region -- parent(s): Collaboration
  • Alabama -- parent(s): Southern Region
    • Alabama Frequencies -- parent(s): Alabama, Wiki Frequencies
  • Arkansas -- parent(s): Southern Region
    • Arkansas Frequencies -- parent(s): Arkansas, Wiki Frequencies
  • Florida -- parent(s): Southern Region
    • Florida Frequencies -- parent(s): Florida, Wiki Frequencies
  • Georgia -- parent(s): Southern Region
    • Georgia Frequencies -- parent(s): Georgia, Wiki Frequencies
  • Kentucky -- parent(s): Southern Region
    • Kentucky Frequencies -- parent(s): Kentucky, Wiki Frequencies
  • Louisiana -- parent(s): Southern Region
    • Louisiana Frequencies -- parent(s): Louisiana, Wiki Frequencies
  • Mississippi -- parent(s): Southern Region
    • Mississippi Frequencies -- parent(s): Mississippi, Wiki Frequencies
  • North Carolina -- parent(s): Southern Region
    • North Carolina Frequencies -- parent(s): North Carolina, Wiki Frequencies
  • South Carolina -- parent(s): Southern Region
    • South Carolina Frequencies -- parent(s): South Carolina, Wiki Frequencies
  • Tennessee -- parent(s): Southern Region
    • Tennessee Frequencies -- parent(s): Tennessee, Wiki Frequencies
  • Texas -- parent(s): Southern Region
    • Texas Frequencies -- parent(s): Texas, Wiki Frequencies
  • Virginia -- parent(s): Southern Region
    • Virginia Frequencies -- parent(s): Virginia, Wiki Frequencies
  • West Virginia -- parent(s): Southern Region
    • West Virginia Frequencies -- parent(s): West Virginia, Wiki Frequencies
• Special Events -- parent(s): Collaboration
  • Air Shows -- parent(s): Aircraft Monitoring, Milcom, Special Events
    • Air Show Frequencies -- parent(s): Air Shows, Wiki Frequencies
• Sports Events and Organizations -- parent(s): Collaboration
  • Sports Events and Organizations Frequencies -- parent(s): Sports Events and Organizations, Wiki Frequencies
• Transportation -- parent(s): Collaboration
• Travel Scanning -- parent(s): Collaboration
• Trunked Radio Systems -- parent(s): Collaboration
• Trunking Information -- parent(s): Collaboration
• US Federal Government -- parent(s): Collaboration
  • US Civil Air Patrol -- parent(s): US Federal Government, United States Air Force
    • US Civil Air Patrol Frequencies -- parent(s): US Federal Government Frequencies, United States Air Force Frequencies
  • US Defense -- parent(s): , US Federal Government
  • US Federal Government Frequencies -- parent(s): US Federal Government, Wiki Frequencies
  • US Federal Prisons -- parent(s): US Federal Government
    • US Federal Prisons Frequencies -- parent(s): US Federal Prisons, US Federal Government Frequencies
  • US Fish and Wildlife -- parent(s): US Federal Government
  • US Forest Service -- parent(s): US Federal Government
    • US Forest Service Frequencies -- parent(s): US Forest Service, US Federal Government Frequencies
  • US Indian Affairs -- parent(s): US Federal Government
  • US Land Management -- parent(s): US Federal Government
  • US National Parks -- parent(s): US Federal Government
    • US National Parks Frequencies -- parent(s): US National Parks, US Federal Government Frequencies
  • US Reclamation -- parent(s): US Federal Government
    • US Reclamation Frequencies -- parent(s): US Reclamation, US Federal Government Frequencies
• US Possessions -- parent(s): Collaboration
  • Puerto Rico -- parent(s): Caribbean Region, US Possessions
    • Puerto Rico Frequencies -- parent(s): Puerto Rico, Wiki Frequencies
• Utilities -- parent(s): Collaboration
  • Utilities Frequencies -- parent(s): Utilities, Wiki Frequencies