Universal Licensing System
WPLW677
CLARK-GEOGRAM INC.
License details
| ULS identifier | 1788960 |
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| Call sign | WPLW677 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 2003-01-16 |
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| Expiration | 2013-03-24 |
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| Cancellation | 2013-05-25 |
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| Frequency range | 464.5 - 469.55 MHz (4 frequencies) |
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| Locations | 1 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:15:54 |
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Licensee
| Name | CLARK-GEOGRAM INC. |
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| Applicant type | C |
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| FRN | 0008258683 |
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| Location | HOUSTON, TX |
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| Address | 1315 SHERWOOD FOREST, HOUSTON, TX, 77043 |
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| Phone | 7134611400 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
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| 1 | 1 | MOI | 464.50000000 | | | 35.000000 | | |
| 1 | 1 | MOI | 464.55000000 | | | 35.000000 | | |
| 1 | 1 | MOI | 469.50000000 | | | 35.000000 | | |
| 1 | 1 | MOI | 469.55000000 | | | 35.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 464.50000000 | | 20K0F2D |
| 1 | 1 | 464.55000000 | | 20K0F2D |
| 1 | 1 | 469.50000000 | | 20K0F2D |
| 1 | 1 | 469.55000000 | | 20K0F2D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 1315 SHERWOOD FOREST, HOUSTON, TX | | 7134611400 |
License history
| Date | File or call sign | Action |
|---|
| 2013-05-25 | WPLW677 | LIEXP |
| 2012-12-31 | WPLW677 | LETRES |
| 2003-01-16 | WPLW677 | LIREN |
| 2003-01-15 | WPLW677 | LIAUA |
| 2002-12-30 | WPLW677 | LETRES |
| 2000-11-23 | WPLW677 | LICCNV |
| 1998-03-24 | WPLW677 | LIISS |
| 1998-03-24 | WPLW677 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1788960 | 2026-08-02 01:15:54 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPLW677 | ULS 1788960 | 2026-08-02 01:15:54 |
| Status | E | ULS 1788960 | 2026-08-02 01:15:54 |
| Service | IG | ULS 1788960 | 2026-08-02 01:15:54 |
| Grant Date | 2003-01-16 | ULS 1788960 | 2026-08-02 01:15:54 |
| Expiration Date | 2013-03-24 | ULS 1788960 | 2026-08-02 01:15:54 |
| Cancellation Date | 2013-05-25 | ULS 1788960 | 2026-08-02 01:15:54 |