Universal Licensing System
KNNF481
BEAR COMMUNICATIONS INC
License details
| ULS identifier | 1630275 |
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| Call sign | KNNF481 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2021-04-02 |
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| Expiration | 2031-06-17 |
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| Frequency range | 452.825 - 457.825 MHz (2 frequencies) |
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| Locations | 2 |
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| Representative location | SAN DIEGO, SAN DIEGO, CA |
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| Coordinates | 32.5950556, -116.8450278 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:25:22 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB4 | 452.82500000 | | | 75.000000 | 13.000000 | |
| 2 | 1 | MO | 452.82500000 | | | 50.000000 | 50.000000 | |
| 2 | 1 | MO | 457.82500000 | | | 50.000000 | 50.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 452.82500000 | | 7K60FXD |
| 1 | 1 | 452.82500000 | | 7K60FXE |
| 2 | 1 | 452.82500000 | | 7K60FXE |
| 2 | 1 | 452.82500000 | | 7K60FXD |
| 2 | 1 | 457.82500000 | | 7K60FXE |
| 2 | 1 | 457.82500000 | | 7K60FXD |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | MOUNT OTAY, SAN DIEGO, SAN DIEGO, CA | 32.59505556, -116.84502778 | 1086.000 m | TOWER | 9.000 m structure / 15.000 m overall | N |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 15.000 m | | | | 769.000 | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 311 4TH AVE, SAN DIEGO, CA | SAN DIEGO | 6195310933 |
License history
| Date | File or call sign | Action |
|---|
| 2023-12-27 | KNNF481 | LITRAN |
| 2021-04-02 | KNNF481 | LIREN |
| 2021-03-22 | KNNF481 | LETRES |
| 2018-07-13 | KNNF481 | LITRAN |
| 2018-06-23 | KNNF481 | LIAUA |
| 2016-02-24 | KNNF481 | LIAUA |
| 2016-02-23 | KNNF481 | ESUAPR |
| 2014-08-26 | KNNF481 | LITRAN |
| 2014-07-19 | KNNF481 | LIMOD |
| 2011-06-02 | KNNF481 | LIREN |
| 2011-03-21 | KNNF481 | LETRES |
| 2007-07-18 | KNNF481 | LIMOD |
| 2005-02-22 | KNNF481 | LTSFRN |
| 2001-09-04 | KNNF481 | AUDOPR |
| 2001-04-11 | KNNF481 | LIREN |
| 2001-03-26 | KNNF481 | LETRES |
| 2000-11-23 | KNNF481 | LICCNV |
| 1996-06-17 | KNNF481 | AUTHPR |
| 1996-06-17 | KNNF481 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1630275 | 2026-08-02 01:25:22 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KNNF481 | ULS 1630275 | 2026-08-02 01:25:22 |
| Status | A | ULS 1630275 | 2026-08-02 01:25:22 |
| Service | IG | ULS 1630275 | 2026-08-02 01:25:22 |
| Grant Date | 2021-04-02 | ULS 1630275 | 2026-08-02 01:25:22 |
| Expiration Date | 2031-06-17 | ULS 1630275 | 2026-08-02 01:25:22 |