Universal Licensing System
WLB604
MCI WORLDCOM NETWORK SERVICES, INC
License details
| ULS identifier | 987915 |
|---|
| Call sign | WLB604 |
|---|
| Radio service | CF |
|---|
| Status | C |
|---|
| Grant date | 2001-01-23 |
|---|
| Expiration | 2011-02-01 |
|---|
| Cancellation | 2002-05-15 |
|---|
| Frequency range | 3870 - 6152.75 MHz (16 frequencies) |
|---|
| Locations | 3 |
|---|
| Representative location | PRESCOTT, COLUMBIA, OR |
|---|
| Coordinates | 45.9751111, -122.9000833 |
|---|
| Source archive | l_micro.zip |
|---|
| Dataset refreshed | 2026-09-14 16:59:04 |
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Licensee
| Name | MCI WORLDCOM NETWORK SERVICES, INC |
|---|
| Applicant type | C |
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| Location | RICHARDSON, TX |
|---|
| Address | 2270 LAKESIDE BLVD 2865/642, RICHARDSON, TX, 75082 |
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| Phone | 9726565287 |
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| Email | [email protected] |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 3710.00000000 | | | | | |
| 1 | 2 | FXO | 3710.00000000 | | | | | |
| 1 | 1 | FXO | 3790.00000000 | | | | | |
| 1 | 2 | FXO | 3790.00000000 | | | | | |
| 1 | 1 | FXO | 3870.00000000 | | | | | |
| 1 | 2 | FXO | 3870.00000000 | | | | | |
| 1 | 3 | FXO | 3890.00000000 | | | | | |
| 1 | 4 | FXO | 3890.00000000 | | | | | |
| 1 | 1 | FXO | 3950.00000000 | | | | | |
| 1 | 2 | FXO | 3950.00000000 | | | | | |
| 1 | 3 | FXO | 3970.00000000 | | | | | |
| 1 | 4 | FXO | 3970.00000000 | | | | | |
| 1 | 1 | FXO | 4030.00000000 | | | | | |
| 1 | 2 | FXO | 4030.00000000 | | | | | |
| 1 | 3 | FXO | 4050.00000000 | | | | | |
| 1 | 4 | FXO | 4050.00000000 | | | | | |
| 1 | 1 | FXO | 4110.00000000 | | | | | |
| 1 | 2 | FXO | 4110.00000000 | | | | | |
| 1 | 3 | FXO | 4130.00000000 | | | | | |
| 1 | 4 | FXO | 4130.00000000 | | | | | |
| 1 | 1 | FXO | 5945.20000000 | | | | | |
| 1 | 4 | FXO | 5945.20000000 | | | | | |
| 1 | 2 | FXO | 5974.85000000 | | | | | |
| 1 | 3 | FXO | 5974.85000000 | | | | | |
| 1 | 1 | FXO | 6004.50000000 | | | | | |
| 1 | 4 | FXO | 6004.50000000 | | | | | |
| 1 | 2 | FXO | 6034.15000000 | | | | | |
| 1 | 3 | FXO | 6034.15000000 | | | | | |
| 1 | 1 | FXO | 6063.80000000 | | | | | |
| 1 | 4 | FXO | 6063.80000000 | | | | | |
| 1 | 2 | FXO | 6093.45000000 | | | | | |
| 1 | 3 | FXO | 6093.45000000 | | | | | |
| 1 | 1 | FXO | 6123.10000000 | | | | | |
| 1 | 4 | FXO | 6123.10000000 | | | | | |
| 1 | 2 | FXO | 6152.75000000 | | | | | |
| 1 | 3 | FXO | 6152.75000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 5945.20000000 | | 30M0D7W |
| 1 | 4 | 5945.20000000 | | 30M0D7W |
| 1 | 2 | 5974.85000000 | | 30M0D7W |
| 1 | 3 | 5974.85000000 | | 30M0D7W |
| 1 | 1 | 6004.50000000 | | 30M0D7W |
| 1 | 4 | 6004.50000000 | | 30M0D7W |
| 1 | 2 | 6034.15000000 | | 30M0D7W |
| 1 | 3 | 6034.15000000 | | 30M0D7W |
| 1 | 1 | 6063.80000000 | | 30M0D7W |
| 1 | 4 | 6063.80000000 | | 30M0D7W |
| 1 | 2 | 6093.45000000 | | 30M0D7W |
| 1 | 3 | 6093.45000000 | | 30M0D7W |
| 1 | 1 | 6123.10000000 | | 30M0D7W |
| 1 | 4 | 6123.10000000 | | 30M0D7W |
| 1 | 2 | 6152.75000000 | | 30M0D7W |
| 1 | 3 | 6152.75000000 | | 30M0D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 5 MI S OF, PRESCOTT, COLUMBIA, OR | 45.97511111, -122.90008333 | 263.000 m | | 54.300 m overall | |
| 2 | R | | 46.27677778, -122.87233333 | 305.400 m | | | |
| 3 | R | | 45.73955556, -122.37258333 | 673.000 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | V | 39.2000 | 3.7000 | | |
| 1 | 2 | R | | | | 39.6000 | | | |
| 1 | 3 | R | | | | 39.6000 | | | |
| 2 | 1 | T | | | V | 39.2000 | 122.4000 | | |
| 2 | 2 | R | | | | 39.6000 | | | |
| 2 | 3 | R | | | | 39.6000 | | | |
| 3 | 1 | T | | | H | 39.2000 | 3.7000 | | |
| 4 | 1 | T | | | H | 39.2000 | 122.4000 | | |
License history
| Date | File or call sign | Action |
|---|
| 2002-05-16 | WLB604 | LICAN |
| 2001-03-07 | WLB604 | LIAUA |
| 2001-01-23 | WLB604 | LIREN |
| 2000-11-13 | WLB604 | LETRES |
| 1999-08-13 | WLB604 | LICCNV |
| 1999-07-02 | WLB604 | COR |
| 1999-03-29 | WLB604 | COR |
| 1999-02-11 | WLB604 | LITRAN |
| 1991-04-01 | WLB604 | LIREN |
| 1990-04-30 | WLB604 | LIMOD |
| 1990-04-03 | WLB604 | LIMOD |
| 1988-08-04 | WLB604 | LIMOD |
| 1986-01-30 | WLB604 | LIMOD |
| 1985-09-26 | WLB604 | APGRT |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 987915 | 2026-08-31 20:51:05 | Source Primary |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Applicant Name | MCI WORLDCOM NETWORK SERVICES, INC | ULS 987915 | 2026-08-31 20:59:03 |
| Call Sign | WLB604 | ULS 987915 | 2026-08-31 20:59:03 |
| Cancellation Date | 2002-05-15 | ULS 987915 | 2026-08-31 20:59:03 |
| Contact Name | 9726565287 | ULS 987915 | 2026-08-31 20:59:03 |
| Description | 9121345 | ULS 987915 | 2026-08-31 20:59:03 |
| Expiration Date | 2011-02-01 | ULS 987915 | 2026-08-31 20:59:03 |
| Filed Date | 2001-01-23 | ULS 987915 | 2026-08-31 20:59:03 |
| Grant Date | 2001-01-23 | ULS 987915 | 2026-08-31 20:59:03 |
| Service | CF | ULS 987915 | 2026-08-31 20:59:03 |
| Source Archive | l_micro.zip | ULS 987915 | 2026-08-31 20:59:03 |
| Status | C | ULS 987915 | 2026-08-31 20:59:03 |