| Frequency
| Input
| Callsign
| Description
| System/Category
| Tag
| Updated
|
| 33.04000 |
|
KNNM522 |
Rachel Blakey (Equine Vet) |
Miscellaneous |
Business |
2013:03:18 |
| 45.44000 |
|
KNGW647 |
Public Schools - Grounds/Facility Management Base-to-Base/Emergency |
Public Schools |
Schools |
2010:10:12 |
| 45.72000 |
|
KLW389 |
Public Schools - Grounds/Facility Management Operations (snow plows) |
Public Schools |
Schools |
2010:10:12 |
| 46.28000 |
|
KC4875 |
Medevac Patch to TRS |
Fire / EMS Conventional |
EMS-Tac |
2013:01:10 |
| 46.46000 |
|
KBQ751 |
Fire/EMS Dispatch (Simulcast with TRS talkgroup 9450) |
Fire / EMS Conventional |
Fire Dispatch |
2013:01:10 |
| 50.42000 |
|
W3DHS |
|
Skywarn/RACES |
Ham |
2006:04:11 |
| 50.54000 |
|
W3DHS |
|
Skywarn/RACES |
Ham |
2006:04:11 |
| 53.47000 |
52.47000 |
N3KTX |
Baltimore County 6 Meter |
General Amateur Radio |
Ham |
2011:10:06 |
| 121.30000 |
|
|
Tower/CTAF |
Air Traffic Control |
Aircraft |
2010:10:15 |
| 121.80000 |
|
|
Ground Control/Clearance Delivery |
Air Traffic Control |
Aircraft |
2010:10:15 |
| 122.95000 |
|
|
Unicom |
Air Traffic Control |
Aircraft |
2010:10:15 |
| 124.92500 |
|
|
Automatic Terminal Information Service (ATIS) |
Air Traffic Control |
Aircraft |
2010:10:15 |
| 140.00000 |
|
|
104th Fighter Squadron - Tactical |
Maryland Air National Guard - Aviation Operations |
Military |
2010:10:15 |
| 140.02500 |
|
|
104th Fighter Squadron - Tactical |
Maryland Air National Guard - Aviation Operations |
Military |
2010:10:15 |
| 140.15000 |
|
|
104th Fighter Squadron - Tactical |
Maryland Air National Guard - Aviation Operations |
Military |
2010:10:15 |
| 141.00000 |
|
|
104th Fighter Squadron - Tactical |
Maryland Air National Guard - Aviation Operations |
Military |
2010:10:15 |
| 141.82500 |
|
|
104th Fighter Squadron - Tactical |
Maryland Air National Guard - Aviation Operations |
Military |
2009:01:23 |
| 142.00000 |
|
|
104th Fighter Squadron - Tactical |
Maryland Air National Guard - Aviation Operations |
Military |
2010:10:15 |
| 142.30000 |
|
|
104th Fighter Squadron - Tactical |
Maryland Air National Guard - Aviation Operations |
Military |
2010:10:15 |
| 143.00000 |
|
|
104th Fighter Squadron - Tactical |
Maryland Air National Guard - Aviation Operations |
Military |
2010:10:15 |
| 143.10000 |
|
|
104th Fighter Squadron - Tactical |
Maryland Air National Guard - Aviation Operations |
Military |
2010:10:15 |
| 143.20000 |
|
|
104th Fighter Squadron - Tactical |
Maryland Air National Guard - Aviation Operations |
Military |
2010:10:15 |
| 143.80000 |
|
|
104th Fighter Squadron - Tactical |
Maryland Air National Guard - Aviation Operations |
Military |
2010:10:15 |
| 143.80000 |
|
|
104th Fighter Squadron - Supervisor of Flying ("Raven Ops") |
Maryland Air National Guard - Aviation Operations |
Military |
2010:10:15 |
| 145.03000 |
|
W3DHS |
Win Link |
Skywarn/RACES |
Ham |
2010:10:06 |
| 146.41500 |
|
W3DHS |
Emergency Operations Center (EOC) |
Skywarn/RACES |
Ham |
2010:10:06 |
| 146.43000 |
|
W3DHS |
District 1 |
Skywarn/RACES |
Ham |
2010:10:06 |
| 146.44500 |
|
W3DHS |
District 2 |
Skywarn/RACES |
Ham |
2010:10:06 |
| 146.46000 |
|
W3DHS |
District 3 |
Skywarn/RACES |
Ham |
2010:10:06 |
| 146.67000 |
146.07000 |
W3FT |
Primary (Baltimore Amateur Radio Club) |
Skywarn/RACES |
Ham |
2010:10:06 |
| 147.03000 |
147.63000 |
WA3DZO |
Baltimore Radio Amateur TV Society |
Skywarn/RACES |
Ham |
2011:10:24 |
| 147.24000 |
147.84000 |
W3PGA |
Aero Amateur Radio Club |
General Amateur Radio |
Ham |
2011:10:21 |
| 148.92500 |
|
|
aircraft positioning on the ground (encryption used) |
Maryland Air National Guard - Ground Operations |
Military |
2010:10:15 |
| 149.00000 |
|
|
104th Fighter Squadron - Interplane |
Maryland Air National Guard - Aviation Operations |
Military |
2008:03:10 |
| 149.22500 |
|
|
Fire/Rescue |
Maryland Air National Guard - Ground Operations |
Fire-Tac |
2010:10:15 |
| 149.54500 |
|
|
Fire/Rescue |
Maryland Air National Guard - Ground Operations |
Fire-Tac |
2010:10:15 |
| 151.01000 |
|
WPJM364 |
Maryland Aviation Administration |
Airport Operations |
Public Works |
2010:10:15 |
| 151.79000 |
|
WQEE765 |
Baltimore Taxi Cab Association - Gandalf MDTs |
Transportation |
Data |
2011:11:28 |
| 152.31500 |
|
KYV209 |
Arrow Cab - Gandalf MDTs |
Transportation |
Data |
2011:11:28 |
| 153.57500 |
|
KYX805 |
Baltimore Gas and Electric - Paging |
Utilities |
Data |
2011:11:28 |
| 153.63500 |
|
WNQS587 |
PEPCO - Paging (POCSAG) |
Utilities |
Data |
2005:06:07 |
| 153.87500 |
|
KNEK338 |
Facilities Maintenance and Environmental Services |
Towson University |
Schools |
2010:10:06 |
| 154.49000 |
|
WPLX994 |
Security/Medical Response Team Portables |
Sheppard and Enoch Pratt Hospital |
Security |
2010:10:06 |
| 154.54000 |
|
|
Oregon Ridge Park - Nature Center Alternate (some Nature Center radios have this frequency instead of 154.57 as channel 1) |
Oregon Ridge Park |
Public Works |
2010:10:12 |
| 154.57000 |
|
|
Oregon Ridge Park - Lodge/Lake Operations (Special Events, etc.; some Nature Center radios have 154.57 as their channel 3) |
Oregon Ridge Park |
Public Works |
2010:10:12 |
| 154.60000 |
|
|
Oregon Ridge Park - Nature Center Operations |
Oregon Ridge Park |
Public Works |
2010:10:12 |
| 155.34000 |
|
WYX505 |
Security |
Sheppard and Enoch Pratt Hospital |
Security |
2010:10:06 |
| 155.55000 |
158.73000 |
KIL428 |
Police (Slot 1, Group 6) |
University of Maryland - Baltimore County (Catonsville) |
Schools |
2013:02:05 |
| 155.71500 |
|
KLE764 |
Police (Simulcast of dispatcher only from TRS) |
Towson University |
Law Dispatch |
2010:10:06 |
| 155.77500 |
|
WQOX512 |
Facilities Management (Ch. 3) |
University of Maryland - Baltimore County (Catonsville) |
Schools |
2013:02:02 |
| 156.19500 |
|
WPJM364 |
Maryland Aviation Administration |
Airport Operations |
Public Works |
2010:10:15 |
| 157.45000 |
|
WYX505 |
Paging |
Sheppard and Enoch Pratt Hospital |
Business |
2010:10:06 |
| 163.48750 |
|
|
Security Police |
Maryland Air National Guard - Ground Operations |
Law Tac |
2010:10:15 |
| 223.61000 |
|
W3DHS |
MT63 / Packet |
Skywarn/RACES |
Ham |
2010:10:06 |
| 224.96000 |
223.36000 |
WA3DZO |
Baltimore Radio Amateur TV Society |
Skywarn/RACES |
Ham |
2011:10:24 |
| 237.20000 |
|
|
104th Fighter Squadron - Kiowa Pennsylvania Military Operations Area for Air-to-Ground Practice |
Maryland Air National Guard - Aviation Operations |
Military |
2010:10:15 |
| 246.80000 |
|
|
Maryland Air National Guard Air-to-Air Common |
Maryland Air National Guard - Aviation Operations |
Military |
2010:10:15 |
| 253.40000 |
|
|
Ground Control/Clearance Delivery |
Air Traffic Control |
Aircraft |
2010:10:15 |
| 270.80000 |
|
|
104th Fighter Squadron - Patuxent River Practice with callsign Bay Watch |
Maryland Air National Guard - Aviation Operations |
Military |
2010:10:15 |
| 283.10000 |
|
|
104th Fighter Squadron - Warren Grove Pennsylvania Military Operations Area for Air-to-Ground Practice |
Maryland Air National Guard - Aviation Operations |
Military |
2010:10:15 |
| 297.20000 |
|
|
Tower/CTAF |
Air Traffic Control |
Aircraft |
2010:10:15 |
| 343.00000 |
|
|
135th Airlift Squadron ("Crab") Air-to-Air |
Maryland Air National Guard - Aviation Operations |
Military |
2010:10:15 |
| 347.20000 |
|
|
104th Fighter Squadron ("Raven") Command Post (A-10 Thunderbolt "Warthogs" aircraft) |
Maryland Air National Guard - Aviation Operations |
Military |
2010:10:15 |
| 354.80000 |
|
|
104th Fighter Squadron - Patuxent River Practice with callsign Bay Watch |
Maryland Air National Guard - Aviation Operations |
Military |
2010:10:15 |
| 384.10000 |
|
|
135th Airlift Squadron ("Crab") Command Post/Operations (C-130J Hercules aircraft) |
Maryland Air National Guard - Aviation Operations |
Military |
2010:10:15 |
| 385.77500 |
|
|
Site 009 Liberty Dam |
United States Department of Defense (1B5C8-001) |
TRS |
2009:03:03 |
| 385.90000 |
|
|
aircraft positioning on the ground (encryption used) |
Maryland Air National Guard - Aviation Operations |
Military |
2010:10:15 |
| 387.33750 |
|
|
Site 009 Liberty Dam |
United States Department of Defense (1B5C8-001) |
TRS |
2009:03:03 |
| 387.67500 |
|
|
Site 009 Liberty Dam |
United States Department of Defense (1B5C8-001) |
TRS |
2009:03:03 |
| 388.17500 |
|
|
Site 009 Liberty Dam |
United States Department of Defense (1B5C8-001) |
TRS |
2009:03:03 |
| 432.08500 |
|
W3DHS |
MT63 |
Skywarn/RACES |
Ham |
2010:10:06 |
| 445.59000 |
|
W3DHS |
District 1 |
Skywarn/RACES |
Ham |
2010:10:06 |
| 446.02500 |
|
W3DHS |
Emergency Operations Center (EOC) |
Skywarn/RACES |
Ham |
2010:10:06 |
| 446.05000 |
|
W3DHS |
District 2 |
Skywarn/RACES |
Ham |
2010:10:06 |
| 446.92500 |
|
W3DHS |
District 3 |
Skywarn/RACES |
Ham |
2010:10:06 |
| 448.32500 |
443.82500 |
WA3DZO |
Baltimore Radio Amateur TV Society |
Skywarn/RACES |
Ham |
2011:10:24 |
| 449.27500 |
444.27500 |
N3CDY |
Network Engineer's Repeater Association |
Skywarn/RACES |
Ham |
2011:10:21 |
| 449.57500 |
444.57500 |
W3PGA |
Aero Amateur Radio Club |
General Amateur Radio |
Ham |
2011:11:25 |
| 449.67500 |
444.67500 |
N3ST |
Central Maryland Repeater Group (Baltimore) |
Skywarn/RACES |
Ham |
2011:10:21 |
| 451.17500 |
456.17500 |
WNSG838 |
Hunt Valley Inn and Conference Center |
Hotels |
Business |
2005:03:01 |
| 451.67500 |
|
KGH425 |
Bethlehem Steel/Serverstal Steel Police |
Miscellaneous |
Security |
2009:07:23 |
| 452.00000 |
457.00000 |
WQQE411 |
Police Dispatch - Library Site (Slot 1, Group 6) |
University of Maryland - Baltimore County (Catonsville) |
Law Dispatch |
2013:02:02 |
| 452.07500 |
457.07500 |
WPRU306 |
Security |
Goucher College |
Security |
2010:10:06 |
| 452.38750 |
457.38750 |
WPTF311 |
The Commons |
University of Maryland - Baltimore County (Catonsville) |
Schools |
2013:02:02 |
| 452.75000 |
457.75000 |
WNZL395 |
Security |
White Marsh Mall |
Security |
2010:10:16 |
| 461.28750 |
|
WPUP281 |
Revenue Authority - Golf Courses |
Revenue Authority |
Public Works |
2010:10:12 |
| 461.37500 |
466.37500 |
WPYF537 |
Security/Maintenance |
Goucher College |
Schools |
2010:10:06 |
| 461.56250 |
466.56250 |
WPBS232 |
Housekeeping |
Towson Town Center |
Business |
2006:12:05 |
| 461.57500 |
466.57500 |
WPYM593 |
Charlestown Community - Transportation |
Miscellaneous |
Business |
2013:03:04 |
| 461.91250 |
466.91250 |
WQQE411 |
Police Dispatch - Performing Arts Site |
University of Maryland - Baltimore County (Catonsville) |
Law Dispatch |
2013:02:02 |
| 462.02500 |
467.02500 |
WPWE211 |
Security |
St. Joseph's Medical Center |
Security |
2010:10:06 |
| 462.17500 |
467.17500 |
WPBS232 |
Security/Emergency Phone Patch |
Towson Town Center |
Security |
2006:09:20 |
| 462.23750 |
|
WPUP281 |
Revenue Authority - Golf Courses |
Revenue Authority |
Public Works |
2010:10:12 |
| 462.26250 |
|
WPUP281 |
Revenue Authority - Golf Courses |
Revenue Authority |
Public Works |
2010:10:12 |
| 462.28750 |
|
WPUP281 |
Revenue Authority - Golf Courses |
Revenue Authority |
Public Works |
2010:10:12 |
| 462.36250 |
|
WPUP281 |
Revenue Authority - Golf Courses |
Revenue Authority |
Public Works |
2010:10:12 |
| 462.38750 |
|
WPUP281 |
Revenue Authority - Golf Courses |
Revenue Authority |
Public Works |
2010:10:12 |
| 463.23750 |
|
|
Security |
The Avenue at White Marsh |
Security |
2010:10:16 |
| 463.32500 |
468.32500 |
WNRD979 |
Pine Hill Electronics |
Miscellaneous |
Business |
2005:04:29 |
| 463.32500 |
468.32500 |
WNRD979 |
Pine Hill Electronics |
Miscellaneous |
Business |
2005:04:29 |
| 463.52500 |
468.52500 |
WPWE211 |
Transportation |
St. Joseph's Medical Center |
Transportation |
2010:10:06 |
| 463.62500 |
468.62500 |
WQAJ676 |
Maintenance |
Greater Baltimore Medical Center |
Business |
2010:10:06 |
| 463.78750 |
468.78750 |
WNVH483 |
Security |
Owings Mills Town Center |
Security |
2009:06:09 |
| 463.83750 |
468.83750 |
|
Nordstrom |
Towson Town Center |
Business |
2010:10:15 |
| 464.42500 |
|
|
Revenue Authority - Golf Courses |
Revenue Authority |
Public Works |
2010:10:12 |
| 464.65000 |
469.65000 |
WPWE211 |
Maintenance |
St. Joseph's Medical Center |
Business |
2010:10:06 |
| 464.66250 |
469.66250 |
WNZL395 |
Housekeeping |
White Marsh Mall |
Business |
2010:10:15 |
| 464.82500 |
469.82500 |
WQAJ676 |
Security |
Greater Baltimore Medical Center |
Security |
2010:10:06 |
| 464.87500 |
469.87500 |
WPVX554 |
Maintenance (also for Carefirst Complex) |
Owings Mills Town Center |
Business |
2009:06:09 |
| 467.76250 |
|
|
Revenue Authority - Golf Courses |
Revenue Authority |
Public Works |
2010:10:12 |
| 467.91250 |
|
|
Revenue Authority - Golf Courses |
Revenue Authority |
Public Works |
2010:10:12 |
| 468.60000 |
|
|
Linhard's Towing |
Miscellaneous |
Business |
2008:08:17 |
| 469.53750 |
|
|
Victoria's Secret |
Towson Town Center |
Business |
2010:10:15 |
| 495.18750 |
|
|
Housekeeping |
Security Square Mall |
Business |
2010:10:15 |
| 495.58750 |
|
|
Site 001 Site 1 |
FleetTalk (Catonsville) |
TRS |
2013:01:07 |
| 495.86250 |
498.86250 |
WIH652 |
Security |
Security Square Mall |
Security |
2010:10:15 |
| 769.18175 |
|
|
Site 001 Baltimore Metro |
First Responders Interoperable Radio System Team (FIRST) |
TRS |
2012:10:15 |
| 773.29375 |
|
|
Site 001 Baltimore Metro |
First Responders Interoperable Radio System Team (FIRST) |
TRS |
2012:10:15 |
| 773.54375 |
|
|
Site 001 Baltimore Metro |
First Responders Interoperable Radio System Team (FIRST) |
TRS |
2012:10:15 |
| 773.80625 |
|
|
Site 001 Baltimore Metro |
First Responders Interoperable Radio System Team (FIRST) |
TRS |
2012:10:15 |
| 774.19375 |
|
|
Site 001 Baltimore Metro |
First Responders Interoperable Radio System Team (FIRST) |
TRS |
2012:10:15 |
| 774.56875 |
|
|
Site 001 Baltimore Metro |
First Responders Interoperable Radio System Team (FIRST) |
TRS |
2012:10:15 |
| 852.36250 |
807.36250 |
KNBT340 |
Redland GenStar (concrete/quarrying) |
Miscellaneous |
Business |
2005:04:29 |
| 852.38750 |
807.38750 |
KNBT340 |
Redland GenStar (uses DTMF signalling) |
Miscellaneous |
Business |
2005:04:29 |
| 854.01250 |
|
|
Site 001 North |
Baltimore County |
TRS |
2012:01:28 |
| 854.03750 |
|
|
Site 002 South |
Baltimore County |
TRS |
2012:04:12 |
| 854.06250 |
|
|
Site 001 North |
Baltimore County |
TRS |
2012:01:28 |
| 854.08750 |
|
|
Site 001 North |
Baltimore County |
TRS |
2012:01:28 |
| 854.83750 |
809.83750 |
WPLV821 |
Revenue Authority |
Revenue Authority |
Public Works |
2010:10:12 |
| 856.21250 |
|
|
Site 002 South |
Baltimore County |
TRS |
2012:04:12 |
| 856.46250 |
|
|
Site 001 North |
Baltimore County |
TRS |
2012:01:28 |
| 856.68750 |
|
|
Site 001 North |
Baltimore County |
TRS |
2012:01:28 |
| 856.96250 |
|
|
Site 002 South |
Baltimore County |
TRS |
2012:04:12 |
| 857.11250 |
|
|
Site 002 South |
Baltimore County |
TRS |
2012:04:12 |
| 857.96250 |
|
|
Site 002 South |
Baltimore County |
TRS |
2012:04:12 |
| 858.11250 |
|
|
Site 001 North |
Baltimore County |
TRS |
2012:01:28 |
| 858.21250 |
|
|
Site 002 South |
Baltimore County |
TRS |
2012:04:12 |
| 858.71250 |
|
|
Site 002 South |
Baltimore County |
TRS |
2012:04:12 |
| 858.96250 |
|
|
Site 002 South |
Baltimore County |
TRS |
2012:04:12 |
| 859.21250 |
|
|
Site 002 South |
Baltimore County |
TRS |
2012:04:12 |
| 859.46250 |
|
|
Site 002 South |
Baltimore County |
TRS |
2012:04:12 |
| 859.71250 |
|
|
Site 002 South |
Baltimore County |
TRS |
2012:04:12 |
| 859.96250 |
|
|
Site 002 South |
Baltimore County |
TRS |
2012:04:12 |
| 860.21250 |
|
|
Site 002 South |
Baltimore County |
TRS |
2012:04:12 |
| 860.46250 |
|
|
Site 002 South |
Baltimore County |
TRS |
2012:04:12 |
| 860.71250 |
|
|
Site 002 South |
Baltimore County |
TRS |
2012:04:12 |
| 935.13750 |
|
|
Site 001 Primary |
Towson University |
TRS |
2000:01:01 |
| 935.18750 |
|
|
Site 001 Primary |
Towson University |
TRS |
2000:01:01 |
| 936.65000 |
|
|
Site 001 Primary |
Towson University |
TRS |
2000:01:01 |
| 936.70000 |
|
|
Site 001 Primary |
Towson University |
TRS |
2000:01:01 |
| 936.73750 |
891.73750 |
WPLR956 |
Potts & Callahan (construction) |
Miscellaneous |
Business |
2005:04:29 |
| 937.25000 |
|
|
Site 001 Primary |
Towson University |
TRS |
2000:01:01 |
| 951.00000 |
|
WPXZ997 |
WVIE Studio to Transmitter Link |
Media |
Media |
2011:11:28 |
