Universal Licensing System
KOE539
IRVINE RANCH WATER DISTRICT
License details
| ULS identifier | 1887107 |
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| Call sign | KOE539 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2021-10-19 |
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| Expiration | 2031-08-23 |
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| Frequency range | 451.375 - 456.375 MHz (2 frequencies) |
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| Locations | 3 |
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| Representative location | NEWPORT BEACH, ORANGE, CA |
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| Coordinates | 33.6055833, -117.8108889 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:16:54 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 2 | 1 | FB2 | 451.37500000 | | | 75.000000 | 90.000000 | |
| 3 | 1 | MO | 451.37500000 | | | 60.000000 | 50.000000 | |
| 1 | 1 | FX1 | 456.37500000 | | | 30.000000 | 75.000000 | |
| 3 | 1 | MO | 456.37500000 | | | 60.000000 | 50.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 2 | 1 | 451.37500000 | | 11K2F3E |
| 3 | 1 | 451.37500000 | | 11K2F3E |
| 1 | 1 | 456.37500000 | | 11K2F3E |
| 3 | 1 | 456.37500000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | CA | | | | | |
| 2 | T | SIGNAL PEAK 7 MI E, NEWPORT BEACH, ORANGE, CA | 33.60558333, -117.81088889 | 351.000 m | | 30.000 m structure / 30.000 m overall | N |
| 3 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | | | | | |
| 1 | 2 | T | | 33.000 m | | | | | |
| 1 | 3 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 3512 MICHELSON DR, IRVINE, CA | | 7144767666 |
License history
| Date | File or call sign | Action |
|---|
| 2021-10-19 | KOE539 | LIREN |
| 2021-08-13 | KOE539 | ESURNW |
| 2021-07-24 | KOE539 | ESURNW |
| 2021-06-24 | KOE539 | ESURNW |
| 2021-05-31 | KOE539 | LETRES |
| 2018-07-16 | KOE539 | LIMOD |
| 2011-06-07 | KOE539 | LIREN |
| 2011-05-30 | KOE539 | LETRES |
| 2011-05-25 | KOE539 | ESURNW |
| 2009-05-05 | KOE539 | LIAUA |
| 2009-05-04 | KOE539 | ESCAPR |
| 2001-10-22 | KOE539 | AUDOPR |
| 2001-08-23 | KOE539 | LIREN |
| 2001-05-29 | KOE539 | LETRES |
| 2000-11-24 | KOE539 | LICCNV |
| 1996-06-25 | KOE539 | AUTHPR |
| 1996-06-25 | KOE539 | LIREN |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1887107 | 2026-08-02 01:16:54 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KOE539 | ULS 1887107 | 2026-08-02 01:16:54 |
| Status | A | ULS 1887107 | 2026-08-02 01:16:54 |
| Service | IG | ULS 1887107 | 2026-08-02 01:16:54 |
| Grant Date | 2021-10-19 | ULS 1887107 | 2026-08-02 01:16:54 |
| Expiration Date | 2031-08-23 | ULS 1887107 | 2026-08-02 01:16:54 |