Frequencies

Interoperability

Interoperability
FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
170.725 RM 653 NAC FedIntHouCmd Houston Command (FBI Ch. L1) P25e Federal
171.4375 RM 653 NAC FedIntHouPch Houston Patch (FBI Ch. L2) P25e Federal
166.4625 M CSQ Fed Common A Federal Common FMN Federal
166.4625 M 001 NAC Fed Common D Federal Common (FBI Ch. D3?) P25e Federal
167.0875 BM 167.9 PL NTIA LE A NTIA Law Enforcement A (Analog) FMN Federal
167.0875 M 68F NAC NTIA LE A D NTIA Law Enforcement A (Digital) P25 Federal
167.750 RM 68F NAC NTIA LE 3/7 NTIA Law Enforcement 3/7 P25e Federal
168.4625 RM 68F NAC NTIA LE 5/9 NTIA Law Enforcement 5/9 P25e Federal
167.250 M 68F NAC NTIA LE 6 NTIA Law Enforcement 6 P25 Federal
168.1125 M 68F NAC NTIA LE 8 NTIA Law Enforcement 8 P25 Federal
170.4125 M 167.9 PL NTIA IR 7 NTIA Incident Response 7 FMN Federal
170.6875 M 167.9 PL NTIA IR 8 NTIA Incident Response 8 FMN Federal
173.0375 M 167.9 PL NTIA IR 9 NTIA Incident Response 9 Interagency Convoy FMN Federal

Department of Defense

Army Corps of Engineers
FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
163.4375 BM 100 NAC ACE Add/Bark Addicks and Barker Reservoirs P25 Military
Civil Air Patrol
FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
149.275 BM 141.3 PL CAP Air 1 Analog Air 1 Analog FMN Military
149.275 BM 585 NAC CAP Air 1 Dig Air 1 Digital P25 Military
150.5625 BM 151.4 PL CAP Air 2 Analog Air 2 Analog FMN Military
150.5625 BM 5EA NAC CAP Air 2 Dig Air 2 Digital P25 Military
148.125 RM 203.5 PL CAP R63 Analog Airborne/Portable Repeater Ch. R63 Analog FMN Military
148.1375 RM 203.5 PL CAP R67 Analog Airborne/Portable Repeater Ch. R67 Analog FMN Military
148.1375 RM 192.8 PL CAP R68 Analog Airborne/Portable Repeater Ch. R68 Analog FMN Military
148.1375 RM 131.8 PL CAP R69 Analog Airborne/Portable Repeater Ch. R69 Analog FMN Military
148.1375 RM 526 NAC CAP R69 Digital Airborne/Portable Repeater Ch. R69 Digital P25 Military
148.125 RM 156.7 PL CAP R09 Hou Ana Ch. R09 Houston (Analog) FMN Military
148.125 RM 61F NAC CAP R09 Hou Dig Ch. R09 Houston (Digital) P25 Military
141.575 BM 127.3 PL CAP CC 1 A Command and Control 1 Analog FMN Military
141.575 BM 4F9 NAC CAP CC 1 D Command and Control 1 Digital P25 Military
141.000 BM 131.8 PL CAP CC 2 A Command and Control 2 Analog FMN Military
141.000 BM 526 NAC CAP CC 2 D Command and Control 2 Digital P25 Military
150.225 BM 162.2 PL CAP Guard1 A Guard 1 Analog FMN Military
139.875 BM 173.8 PL CAP Tac 1 A Tactical 1 Analog FMN Military
139.875 BM 6CA NAC CAP Tac 1 D Tactical 1 Digital P25 Military
National Guard

 See Ellington International Airport for Texas Air National Guard and Texas Army National Guard frequencies.

FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
150.7375 M 293 NAC ANG Air Surveil Aerial Surveillance P25 Federal
North American Aerospace Defense Command (NORAD)
FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
271.000 BM CSQ NORAD WADS "Blue 15" Western Air Defense Sector ("Bigfoot")/Air-to-Air AM Military
247.050 M CSQ NORAD Boom Aerial Refueling "Boom" AM Military
364.200 BM CSQ NORAD AICC Air Intercept Control Common ("AICC") AM Military
225.050 M CSQ NORAD 225.05 Air-to-Air AM Military
282.600 M CSQ NORAD 282.6 Air-to-Air AM Military
335.950 M CSQ NORAD AWACS Airborne Warning and Control System (AWACS) AM Military
White House Communications Agency
FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
166.5125 BM 001 NAC WHCA Sierra "Sierra" P25e Federal
166.700 BM 001 NAC WHCA Quebec "Quebec" P25e Federal

Department of Homeland Security

Coast Guard

 Also see Ellington International Airport and Port of Houston for additional Coast Guard frequencies.

FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
162.325 BM 293 NAC CG111 Sta Hou Ch. CG111 Station Houston P25e Federal
163.050 BM 293 NAC CG112 Sta Hou Ch. CG112 Station Houston Primary P25e Federal
165.3125 BM 293 NAC CG121 Hou-Gal Ch. CG121 Sector Houston-Galveston Primary P25e Federal
413.000 BM 293 NAC CG410 Hou-Gal Ch. CG410 Sector Houston-Galveston P25e Federal
413.025 BM 293 NAC CG411 Hou-Gal Ch. CG411 Sector Houston-Galveston Air Primary P25e Federal
157.100 BM CSQ USCG H-G 22A Sector Houston-Galveston (Marine Ch. 22A) FM Federal
157.150 BM CSQ USCG H-G 23A Sector Houston-Galveston (Marine Ch. 23A) - Helicopter and Auxiliary Operations FM Federal
157.175 BM CSQ USCG H-G 83A Sector Houston-Galveston (Marine Ch. 83A) FM Federal
Customs and Border Protection

Immigration and Customs Enforcement (ICE) is a major user of the CBP radio system.  Other agencies such as Department of Agriculture, Environmental Protection Agency, Internal Revenue Service (IRS) Criminal Investigation and Railroad Retirement Board (RRB) Office of Inspector General use the CBP radio system.  The Federal Protective Service also has access to the CBP radio system.

Also see Bush Intercontinental Airport, Hobby Airport, and Port of Houston for additional CBP frequencies.

FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
170.125 RM 100.0 PL CBP Net 203 Net 203 Houston FMN Federal
170.125 RM 304 NAC CBP D-Net 203 D-Net 203 Houston P25e Federal
136.375 BM CSQ CBP Longhorn Office of Air and Marine - "Victor" Air-to-Air/Air-to-Base (Base is "Longhorn") AM Federal
350.025 BM CSQ CBP Blue 3 Office of Air and Marine - "Blue 3"/"Uniform" Air Interdiction (Base is "Hammer") AM Federal
168.8375 BM 293 NAC CBP Air 1 Air 1 (Base is "Longhorn") P25e Federal
168.9625 M 293 NAC CBP Air 2 Air 2 P25e Federal
169.2625 M 293 NAC CBP Air 3 Air 3 P25 Federal
169.1625 M 293 NAC CBP Air 4 Air 4 P25 Federal
169.3875 M 293 NAC CBP Air 5 Air 5 P25 Federal
166.8875 M 293 NAC CBP Air 7 Air 7 P25e Federal
166.7875 BM 293 NAC CBP Air 8 Air 8 (Base is "Hammer") P25 Federal
166.5875 M 293 NAC CBP Surv 166.587 Surveillance P25 Federal
168.0375 M 308 NAC CBP Surv 168.037 Surveillance P25e Federal
Federal Protective Service
FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
412.9625 M 201 NAC FPS 2 Ch. 2 P25 Federal
413.9625 M 201 NAC FPS 5 Tac Ch. 5 Tactical P25 Federal
408.200 RM 201 NAC FPS Disp/Ops Dispatch/Operations P25E Federal
413.475 M 201 NAC FPS Talk 413.475 Talk-Around P25 Federal
413.950 M 201 NAC FPS Talk 201 Talk-Around P25 Federal
413.950 M 293 NAC FPS Talk 293 Talk-Around P25 Federal
Immigration and Customs Enforcement

 Also see Bush Intercontinental Airport for additional ICE frequencies.

FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
170.675 RM 051 NAC ICE Houston 1 Houston 1 "HOU1" Surveillance (wide area simulcast) P25e Federal
168.825 RM 052 NAC ICE Houston 2 Houston 2 "HOU2" Surveillance (Houston local) P25e Federal
165.8375 M CSQ ICE DHS Common Department of Homeland Security Common - Surveillance FMN Federal
163.725 M 169 NAC ICE Natl Direct National Direct P25e Federal
163.700 M 169 NAC ICE Nat Tac 1 National Tactical 1 Surveillance P25e Federal
168.5875 M 169 NAC ICE Nat Tac 2 National Tactical 2 Surveillance P25e Federal
163.1125 M 169 NAC ICE Nat Tac 3 National Tactical 3 Surveillance P25e Federal
164.7875 M 169 NAC ICE Nat Tac 4 National Tactical 4 Surveillance P25e Federal
163.0125 M CSQ ICE 163.0125 Surveillance Wire FMN Federal
163.100 M 164 NAC ICE 163.1 ICE P25e Federal
163.1125 M 164 NAC ICE 163.1125 ICE P25e Federal
163.625 M 056 NAC ICE 163.625 ICE P25e Federal
163.700 M 164 NAC ICE 163.7 ICE P25e Federal
164.7375 M 164 NAC ICE 164.7375 ICE P25e Federal
168.5875 M 164 NAC ICE 168.5875 ICE P25e Federal
171.250 RM 069 NAC ICE Ntnwd Rptr Nationwide P25e Federal
Secret Service
FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
165.7875 BM 001 NAC USSS Baker "Baker" P25e Federal
165.375 BM 001 NAC USSS CmdPost "Charlie" - Command Posts P25e Federal
166.400 M 002 NAC USSS Golf002 "Golf" P25e Federal
166.400 M 003 NAC USSS Golf003 "Golf" P25e Federal
166.400 M 004 NAC USSS Golf004 "Golf" P25e Federal
166.400 M 007 NAC USSS Golf007 "Golf" P25e Federal
165.2125 M 001 NAC USSS Mike "Mike" P25e Federal
164.8875 BM 001 NAC USSS Oscar "Oscar" P25e Federal
164.400 RM 001 NAC USSS Papa/HFO "Papa" - Houston Field Office Primary P25e Federal
164.650 BM 001 NAC USSS Tango "Tango" P25e Federal
165.6875 BM 001 NAC USSS Advance Advance Teams P25e Federal
167.0375 BM 001 NAC USSS Pres Tac Presidential Detail Tactical P25e Federal
167.0125 BM 001 NAC USSS VP Tac Vice Presidential Detail Tactical P25e Federal
Transportation Security Administration

See airport pages for frequencies used at airports.

FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
163.1125 M 272 NAC TSA FAM 163.1125 Federal Air Marshal Service P25e Federal
170.7875 M 272 NAC TSA FAM 170.7875 Federal Air Marshal Service P25e Federal
163.1125 M 496 NAC TSA VIPR Visible Intermodal Prevention and Response (VIPR) P25e Federal

Department of Justice

Department of Justice
FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
164.550 M 001 NAC OCDETF Organized Crime Drug Enforcement Task Force (FBI Ch. D2?) P25e Federal
Bureau of Alcohol, Tobacco, Firearms and Explosives
FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
170.9625 RM 650 NAC ATFE Net Net Surveillance P25e Federal
167.1625 M 650 NAC ATFE Tac 1 Tactical 1 Surveillance P25e Federal
173.0125 M 650 NAC ATFE Tac 3 Tactical 3 P25e Federal
168.350 M 650 NAC ATFE Tac 4 Tactical 4 P25e Federal
165.9125 M 650 NAC ATFE Tac 5 Tactical 5 Surveillance P25e Federal
173.8875 M 650 NAC ATFE Tac 6 Tactical 6 P25e Federal
Bureau of Prisons
Federal Detention Center Houston
Motorola Type II
Jail operations.
Drug Enforcement Administration
Texas Wide Area Radio Network (TxWARN)
Project 25 Phase II
DEA has talkgroups on this system and sometimes conducts operations on them.
FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
411.125 BM 156 NAC DEA 1 Simplx Ch. 1 Surveillance "SPX 1" P25e Federal
412.200 M 156 NAC DEA 2 Simplx Ch. 2 Surveillance "SPX 2" P25e Federal
413.975 M 156 NAC DEA 3 Simplx Ch. 3 Surveillance "SPX 3" P25e Federal
414.200 M 156 NAC DEA 4 Simplx Ch. 4 Surveillance "SPX 4" P25e Federal
414.450 M 156 NAC DEA 5 Simplx Ch. 5 Surveillance "SPX 5" P25e Federal
409.675 RM 156 NAC DEA 6 Hou S Ch. 6 Houston South ("Pierce Junction") - Surveillance P25e Federal
409.8125 RM 156 NAC DEA 7 LaPort Ch. 7 Deer Park ("San Jacinto") - Surveillance P25e Federal
409.825 RM 156 NAC DEA 8 Atasco Ch. 8 Atascocita - Surveillance P25e Federal
409.900 RM 156 NAC DEA 9 Hou W Ch. 9 Houston West ("San Felipe") - Surveillance "RPT 9" P25e Federal
410.4125 RM 156 NAC DEA 11 Hou N Ch. 11 Houston North ("Crosstimbers") - Surveillance P25e Federal
136.275 BM CSQ DEA 136.275 Air-to-Air (also used by National Guard Counterdrug Program; also used by FBI) AM Federal
171.5875 BM 283 NAC DEA Air Air-to-Air/Air-to-Base ("Flint Base") P25e Federal
Federal Bureau of Investigation
FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
167.6125 BM 167 NAC FBI Hou A1 Houston Field Office Ch. A1 "Guard" Building Security P25e Federal
170.625 RM 167 NAC FBI Hou A5 Houston Field Office Ch. A5 Surveillance P25e Federal
168.8875 RM 167 NAC FBI Hou A6 Houston Field Office Ch. A6 "Mustang" Surveillance P25e Federal
167.7875KKF925 RM 167 NAC FBI HouA7Pri Houston Field Office Ch. A7 "Chase" Primary P25e Federal
167.5625 M 167 NAC FBIHouD4?Dig Houston Field Office Ch. D4? Attorney General Detail P25e Federal
167.5625 M 167.9 PL FBIHouD4 Ana Houston Field Office Ch. D4 Surveillance FMNe Federal
167.5375 RM 167 NAC FBI Hou D6? Houston Field Office Ch. D6?/D5? P25e Federal
167.2375 M 167 NAC FBI Hou H1 Houston Field Office Ch. H1 Surveillance P25e Federal
168.7625 M 167 NAC FBI Hou H2 Houston Field Office Ch. H2 Surveillance P25e Federal
163.100 M 167 NAC FBI Hou H3 Houston Field Office Ch. H3 Surveillance P25e Federal
173.100 RM 167 NAC FBI HouH4SOG Houston Field Office Ch. H4 Special Operations Group P25e Federal
166.7625 M 167 NAC FBI Hou P3 Houston Field Office Ch. P3 Surveillance P25E Federal
168.4875 M 167 NAC FBI Hou P5 Houston Field Office Ch. P5 Surveillance P25E Federal
170.1875 RM 167 NAC FBI Mc Downtown Houston Field Office Houston Area Multicast - Downtown Houston P25e Federal
170.375 RM 167 NAC FBI Mc Katy Houston Field Office Houston Area Multicast - Katy P25e Federal
171.175 RM 167 NAC FBI Mc IAH Houston Field Office Houston Area Multicast - Bush Intercontinental Airport P25e Federal
172.2875 RM 167 NAC FBI Mc NRG Houston Field Office Houston Area Multicast - NRG Stadium P25e Federal
170.8125 RM 167 NAC FBI 170.8125 Houston Field Office Houston Area Multicast P25e Federal
170.8625 RM 167 NAC FBI 170.8625 Houston Field Office Houston Area Multicast P25e Federal
170.9375 RM 167 NAC FBI 170.9375 Houston Field Office Houston Area Multicast P25e Federal
171.6125 RM 167 NAC FBI 171.6125 Houston Field Office Houston Area Multicast P25e Federal
171.6875 RM 167 NAC FBI 171.6875 Houston Field Office Houston Area Multicast P25e Federal
171.975 RM 167 NAC FBI 171.975 Houston Field Office Houston Area Multicast P25e Federal
172.2125 RM 167 NAC FBI 172.2125 Houston Field Office Houston Area Multicast P25e Federal
162.7625 M 167 NAC FBI 162.7625 Houston Field Office Houston Area Multicast - Input P25e Federal
163.1875 M 167 NAC FBI 163.1875 Houston Field Office Houston Area Multicast - Input P25e Federal
163.8875 M 167 NAC FBI 163.8875 Houston Field Office Houston Area Multicast - Input P25e Federal
163.9125 M 167 NAC FBI 163.9125 Houston Field Office Houston Area Multicast - Input P25e Federal
163.9625 M 167 NAC FBI 163.9625 Houston Field Office Houston Area Multicast - Input P25e Federal
163.9875 M 167 NAC FBI 163.9875 Houston Field Office Houston Area Multicast - Input P25e Federal
169.6625 RM 167 NAC FBI 169.6625 Houston Field Office Outlying Area Multicast P25e Federal
170.7375 RM 167 NAC FBI 170.7375 Houston Field Office Outlying Area Multicast P25e Federal
170.9125 RM 167 NAC FBI 170.9125 Houston Field Office Outlying Area Multicast P25e Federal
171.9875 RM 167 NAC FBI 171.9875 Houston Field Office Outlying Area Multicast P25e Federal
172.1875 RM 167 NAC FBI 172.1875 Houston Field Office Outlying Area Multicast P25e Federal
172.550 RM 167 NAC FBI 172.55 Houston Field Office Outlying Area Multicast P25e Federal
173.0875 RM 167 NAC FBI 173.0875 Houston Field Office Outlying Area Multicast P25e Federal
173.7875 RM 167 NAC FBI 173.7875 Houston Field Office Outlying Area Multicast P25e Federal
162.875 M 167 NAC FBI 162.875 Houston Field Office P25e Federal
166.9875 M 167 NAC FBI 166.9875 Houston Field Office P25e Federal
167.2625 M 167 NAC FBI 167.2625 Houston Field Office P25e Federal
167.2875 M 167 NAC FBI 167.2875 Houston Field Office P25e Federal
167.3125 M 167 NAC FBI 167.3125 Houston Field Office P25e Federal
167.3375 M 167 NAC FBI 167.3375 Houston Field Office P25e Federal
167.3625 M 167 NAC FBI 167.3625 Houston Field Office Surveillance P25e Federal
167.3875 M 167 NAC FBI 167.3875 Houston Field Office P25e Federal
167.4125 M 167 NAC FBI 167.4125 Houston Field Office P25e Federal
167.4375 M 167 NAC FBI 167.4375 Houston Field Office Surveillance P25e Federal
167.4625 M 167 NAC FBI 167.4625 Houston Field Office P25e Federal
167.4875 M 167 NAC FBI 167.4875 Houston Field Office P25e Federal
167.5125 M 167 NAC FBI 167.5125 Houston Field Office P25e Federal
167.5875 M 167 NAC FBI 167.5875 Houston Field Office Surveillance P25e Federal
167.600 M 167 NAC FBI 167.6 Houston Field Office P25e Federal
167.6375 M 167 NAC FBI 167.6375 Houston Field Office P25e Federal
167.6625 M 167 NAC FBI Hou 167.6625 Houston Field Office P25e Federal
167.7125 M 167 NAC FBI 167.7125 Houston Field Office P25e Federal
167.7375 M 167 NAC FBI 167.7375 Houston Field Office P25e Federal
167.7625 M 167 NAC FBI 167.7625 Houston Field Office P25e Federal
168.2875 M 167 NAC FBI 168.2875 Houston Field Office P25e Federal
168.975 M 167 NAC FBI 168.975 Houston Field Office P25e Federal
168.9875 M 167 NAC FBI 168.9875 Houston Field Office P25e Federal
170.000 M 167 NAC FBI 170.0 Houston Field Office P25e Federal
170.825 M 167.9 PL FBI 170.825 Houston Field Office Surveillance FMN Federal
170.8375 M 167 NAC FBI 170.8375 Houston Field Office P25e Federal
170.875 M 167 NAC FBI 170.875 Houston Field Office P25e Federal
170.925 M 167 NAC FBI 170.925 Houston Field Office P25e Federal
172.050 M 167 NAC FBI 172.05 Houston Field Office P25e Federal
172.300 M 167 NAC FBI 172.3 Houston Field Office P25e Federal
173.025 M 167 NAC FBI 173.025 Houston Field Office P25e Federal
173.450 RM 167 NAC FBI 173.45 Houston Field Office P25e Federal
136.275 BM CSQ FBI Air 136 Air-to-Air/Air-to-Base ("Snake Base"/"Victor," also used by DEA) AM Federal
Marshals Service

The Marshals Service previously used the ICE "HOU1" channel as its primary ("Houston Command") in the past; but may be using TxWARN now.

Texas Wide Area Radio Network (TxWARN)
Project 25 Phase II
The Gulf Coast Violent Offenders and Fugitive Task Force operates on this system.
FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
165.075 M 293 NAC USMS Crt 165.075 Bob Casey United States Courthouse - Security P25e Federal
170.750 RM 293 NAC USMS Crt Sec Bob Casey United States Courthouse - Security (Contract Guards) P25e Federal
170.800 M 293 NAC USMS 170.8 Marshals P25e Federal
170.850 M 864 NAC USMS B Ch. B P25e Federal

Other Departments

Department of Agriculture
FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
166.5625 M 192.8 PL DOA WildlifeSvcs Wildlife Services FMN Federal
Department of State
Texas Wide Area Radio Network (TxWARN)
Project 25 Phase II
DSS has access to talkgroups on this system, such as the interoperability talkgroups.
FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
413.8375 M 0F0 NAC DSS 413.8375 Diplomatic Security Service P25 Federal
409.525 RM 293 NAC DSS Hou Pri Diplomatic Security Service - Houston Field Office Ch. 1 Primary "VFO1" P25e Federal
412.2875 M 293 NAC DSS Hou 2 Diplomatic Security Service - Houston Field Office Ch. 2 "VFO2" P25e Federal
413.6375 M 0F0 NAC Passport Ofc New Passport Agency Office (new) P25e Federal
409.7125 M 0F0 NAC Passport Ofc Old Passport Agency Office (old) P25e Federal
Department of the Interior
FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
166.375 M 94.8 PL BSEE Helicopters Bureau of Safety and Environmental Enforcement - Helicopters FMN Federal
Department of the Treasury
FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
164.5375 RM 1F1 NAC TIGTA Rptr Treasury Inspector General for Tax Administration P25e Federal
165.100 M 1F1 NAC TIGTA Simplx Treasury Inspector General for Tax Administration P25e Federal
Department of the Treasury - Internal Revenue Service
FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
165.950 M 100 NAC IRS 165.95 S Criminal Investigation P25e Federal
165.950 RM 006 NAC IRS CI North Criminal Investigation - North Houston P25e Federal
163.2125 M 100 NAC IRS CI Tac 1 Criminal Investigation - Tactical 1 P25e Federal
163.6375 M 100 NAC IRS CI Tac 2 Criminal Investigation - Tactical 2 P25e Federal
Department of Veterans Affairs
Michael DeBakey Veterans Affairs Medical Center
Project 25 Phase I
Police and maintenance operations are on this system.
FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
414.400 B 293 NAC VA Clinics Clinics (patched with DeBakey VAMC trunked system) P25 Federal
168.525 B VAMC Paging DeBakey Veterans Affairs Medical Center - Paging Telm Data
172.6875 RM 023 DPL VA Cemetery Houston National Cemetery FMN Federal
Federal Aviation Administration

Also see Bush Intercontinental Airport for additional FAA frequencies.

FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
172.175 M 136.5 PL FAA Tech Car Radio Technicians - Car-to-Car FMN Federal
Federal Reserve Bank of Dallas
FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
406.6625 RM 293 NAC FRBHouPolice Houston Branch - Police P25 Federal
410.4875 RM 293 NAC FRBHou Maint Houston Branch - Maintenance P25 Federal
National Aeronautics and Space Administration

Also see Ellington International Airport for additional NASA frequencies.

Johnson Space Center
Motorola Type II SmartZone
This system is reported to be using encryption on all talkgroups.
Texas Wide Area Radio Network (TxWARN)
Project 25 Phase II
Security has a talkgroup on this system.
FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
171.150 B CSQ JSC ShtleAud Johnson Space Center - Space Shuttle/Mission Control Audio FM Federal
Postal Service
FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
407.3375 RM CC 1
TG 3
SL 1
NHP&DC Maint North Houston Processing and Distribution Center - Maintenance DMR Federal
406.1375 RM CC 1
TG 1
SL 1
NHP&DC Ops North Houston Processing and Distribution Center - Operations DMR Federal
414.750 M 483 NAC PIS Able Postal Inspection Service - Able? P25E Federal
414.750 M 482 NAC PIS Base Postal Inspection Service - Base? P25E Federal
409.9375 RM 482 NAC PIS Black Postal Inspection Service - Black? P25E Federal
407.725 RM 482 NAC PIS Houston Postal Inspection Service - Houston Operations P25e Federal
407.1375 RM 482 NAC PIS NLECC Postal Inspection Service - National Law Enforcement Control Center (NLECC) Dispatch P25e Federal
406.3375 RM 482 NAC PIS Red Postal Inspection Service - Red? P25E Federal
415.050 M 293 NAC PIS Tactical Postal Inspection Service - Tactical? P25E Federal