| Site | Code |
|---|---|
| NEW BRAUNFELS REGIONAL AIRPORT | K3R5 |
| ABILENE MUNICIPAL | KABI |
| WACO-MADISON COOPER | KACT |
| DALLAS/ADDISON ARPT | KADS |
| FORT WORTH/ALLIANCE | KAFW |
| ALICE INTL AIRPORT | KALI |
| AMARILLO ARPT(AWOS) | KAMA |
| AUSTIN/MUELLER MUNI | KAUS |
| BEAUMONT/PORT ARTHU | KBPT |
| BROWNSVILLE INTL | KBRO |
| BERGSTROM AFB/AUSTI | KBSM |
| CHILDRESS MUNICIPAL | KCDS |
| COLLEGE STATION | KCLL |
| COTULLA MUNICIPAL | KCOT |
| CORPUS CHRISTI INTL | KCRP |
| DALLAS/LOVE FIELD & | KDAL |
| DALLAS/FT WORTH | KDFW |
| DALHART MUNICIPAL | KDHT |
| LAUGHLIN AFB | KDLF |
| DEL RIO INTL (AUT) | KDRT |
| DENTON (ASOS) | KDTO |
| HOUSTON/D.W. HOOKS | KDWH |
| DYESS AFB/ABILENE & | KDYS |
| HOUSTON/ELLINGTON | KEFD |
| EL PASO INTL ARPT | KELP |
| SHERMAN-DENISON | KF39 |
| MC GREGOR (AWOS) | KF60 |
| FORT WORTH/MEACHAM | KFTW |
| GUADALUPE PASS AMOS | KGDP |
| LONGVIEW/GREGG CO.& | KGGG |
| GALVESTON/SCHOLES & | KGLS |
| FORT HOOD/GRAY AAF | KGRK |
| GREENVILLE/MAJORS | KGVT |
| HONDO MUNICIPAL | KHDO |
| FT HOOD AAF/KILLEEN | KHLR |
| HOUSTON/WILL HOBBY | KHOU |
| HARLINGEN INTL ARPT | KHRL |
| HOUSTON/INTERCONTIN | KIAH |
| KILLEEN MUNI (AWOS) | KILE |
| WINK/WINKLER CO. | KINK |
| JUNCTION (AMOS) | KJCT |
| LUBBOCK INTL ARPT | KLBB |
| ANGLETON/LAKE JACKS | KLBX |
| LUFKIN/ANGELINA CO. | KLFK |
| LAREDO INTL AIRPORT | KLRD |
| MIDLAND REGIONAL | KMAF |
| MCALLEN/MILLER INTL | KMFE |
| MARFA MUNI (AMOS) | KMRF |
| MINERAL WELLS MUNI | KMWL |
| DALLAS NAS/HENSLEY | KNBE |
| FORT WORTH NAS | KNFW |
| CORPUS CHRISTI NAS | KNGP |
| KINGSVILLE NAS | KNQI |
| NACOGDOCHES (AWOS) | KOCH |
| SANDERSON (RAMOS) | KP07 |
| PARIS/COX FIELD | KPRX |
| PALACIOS MUNICIPAL | KPSX |
| DALLAS/REDBIRD ARPT | KRBD |
| REESE AFB/LUBBOCK | KREE |
| ROCKPORT/ARANSAS CO | KRKP |
| RANDOLPH AFB | KRND |
| SABINE PASS | KRPE |
| SAN ANTONIO INTL | KSAT |
| SHEPPARD AFB | KSHP |
| SAN ANGELO/MATHIS | KSJT |
| KELLY AFB | KSKF |
| WICHITA FALLS/SHEP | KSPS |
| SAN ANTONIO/STINSON | KSSF |
| GEORGETOWN (AWOS) | KT04 |
| SAN MARCOS (AWOS) | KT98 |
| TEMPLE/MILLER(AWOS) | KTPL |
| TYLER/POUNDS FLD | KTYR |
| VICTORIA REGIONAL | KVCT |