Universal Licensing System
KNM689
MID COAST TRANSPORTATION
License details
| ULS identifier | 1630067 |
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| Call sign | KNM689 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 1996-05-23 |
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| Expiration | 2001-08-01 |
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| Cancellation | 2001-10-07 |
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| Frequency range | 490.6375 - 493.6375 MHz (2 frequencies) |
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| Locations | 3 |
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| Representative location | WALNUT CREEK, CONTRA COSTA, CA |
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| Coordinates | 37.8815833, -121.9191389 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:14:34 |
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Licensee
| Name | MID COAST TRANSPORTATION |
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| Applicant type | C |
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| FRN | 0005752647 |
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| Location | ALAMO, CA |
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| Address | ALAMO, CA, 94507 |
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| Phone | 4158374414 |
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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 | FB4 | 490.63750000 | | | 75.000000 | 71.000000 | |
| 2 | 1 | FX1 | 493.63750000 | | | 25.000000 | 200.000000 | |
| 3 | 1 | MO | 493.63750000 | | | 45.000000 | 142.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 490.63750000 | | 20K0F3E |
| 2 | 1 | 493.63750000 | | 20K0F3E |
| 3 | 1 | 493.63750000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | MOUNT DIABLO ST PK 9 MI E, WALNUT CREEK, CONTRA COSTA, CA | 37.88158333, -121.91913889 | 1091.000 m | | 87.000 m structure / 87.000 m overall | N |
| 2 | T | 5715 PRESTON AVE, LIVERMORE, ALAMEDA, CA | 37.71186111, -121.71883333 | 6.000 m | | 6.000 m structure / 6.000 m overall | N |
| 3 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 51.000 m | | | | 913.000 | |
| 1 | 2 | T | | 9.000 m | | | | -234.000 | |
| 1 | 3 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 5715 PRESTON AVE, LIVERMORE, CA | | 4158374414 |
License history
| Date | File or call sign | Action |
|---|
| 2001-10-07 | KNM689 | LIEXP |
| 2001-10-04 | KNM689 | LETAUS |
| 2001-05-07 | KNM689 | LETRES |
| 2000-11-23 | KNM689 | LICCNV |
| 1996-05-23 | KNM689 | AUTHPR |
| 1996-05-23 | KNM689 | LIREN |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1630067 | 2026-08-02 01:14:34 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | KNM689 | ULS 1630067 | 2026-08-02 01:14:34 |
| Status | E | ULS 1630067 | 2026-08-02 01:14:34 |
| Service | IG | ULS 1630067 | 2026-08-02 01:14:34 |
| Grant Date | 1996-05-23 | ULS 1630067 | 2026-08-02 01:14:34 |
| Expiration Date | 2001-08-01 | ULS 1630067 | 2026-08-02 01:14:34 |
| Cancellation Date | 2001-10-07 | ULS 1630067 | 2026-08-02 01:14:34 |