Universal Licensing System
WMK404
SOUTHWESTERN BELL MOBILE SYSTEMS, LLC
License details
| ULS identifier | 1002389 |
|---|
| Call sign | WMK404 |
|---|
| Radio service | CF |
|---|
| Status | C |
|---|
| Grant date | 2001-03-13 |
|---|
| Expiration | 2011-02-01 |
|---|
| Cancellation | 2001-07-24 |
|---|
| Frequency range | 2178 MHz |
|---|
| Locations | 2 |
|---|
| Representative location | SWYGERT, LIVINGSTON, IL |
|---|
| Coordinates | 40.9355833, -88.5303333 |
|---|
| Source archive | l_micro.zip |
|---|
| Dataset refreshed | 2026-08-31 21:03:57 |
|---|
Licensee
| Name | SOUTHWESTERN BELL MOBILE SYSTEMS, LLC |
|---|
| Applicant type | L |
|---|
| Location | Dallas, TX |
|---|
| Address | 17330 Preston Road, Suite 100A, Dallas, TX, 75252 |
|---|
| Phone | 9727332092 |
|---|
| Email | [email protected] |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 2178.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 2178.00000000 | | 3M50A7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 1.6 MILES S OF, SWYGERT, LIVINGSTON, IL | 40.93558333, -88.53033333 | 223.400 m | | 77.700 m overall | |
| 2 | R | | 40.88225000, -88.00502778 | 199.900 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | V | 34.2000 | 97.5000 | | |
| 1 | 2 | R | | | | 34.2000 | | | |
License history
| Date | File or call sign | Action |
|---|
| 2001-07-26 | WMK404 | LICAN |
| 2001-03-13 | WMK404 | LIREN |
| 2000-12-05 | WMK404 | LIASS |
| 2000-11-13 | WMK404 | LETRES |
| 2000-10-02 | WMK404 | LITRAN |
| 1999-08-14 | WMK404 | LICCNV |
| 1998-03-06 | WMK404 | LIASS |
| 1997-06-13 | WMK404 | COR |
| 1996-09-20 | WMK404 | LIASS |
| 1996-04-23 | WMK404 | LIASS |
| 1995-08-16 | WMK404 | LIASS |
| 1995-03-01 | WMK404 | LIMOD |
| 1994-06-28 | WMK404 | LITRAN |
| 1992-06-19 | WMK404 | LIMOD |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1002389 | 2026-08-31 20:51:05 | Source Primary |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Applicant Name | SOUTHWESTERN BELL MOBILE SYSTEMS, LLC | ULS 1002389 | 2026-08-31 21:03:57 |
| Call Sign | WMK404 | ULS 1002389 | 2026-08-31 21:03:57 |
| Cancellation Date | 2001-07-24 | ULS 1002389 | 2026-08-31 21:03:57 |
| Contact Name | 9727332092 | ULS 1002389 | 2026-08-31 21:03:57 |
| Description | 0000339200 | ULS 1002389 | 2026-08-31 21:03:57 |
| Expiration Date | 2011-02-01 | ULS 1002389 | 2026-08-31 21:03:57 |
| Filed Date | 2001-03-13 | ULS 1002389 | 2026-08-31 21:03:57 |
| Grant Date | 2001-03-13 | ULS 1002389 | 2026-08-31 21:03:57 |
| Service | CF | ULS 1002389 | 2026-08-31 21:03:57 |
| Source Archive | l_micro.zip | ULS 1002389 | 2026-08-31 21:03:57 |
| Status | C | ULS 1002389 | 2026-08-31 21:03:57 |