Universal Licensing System
KD21837
Birch Bay Water and Sewer District
License details
| ULS identifier | 1881940 |
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| Call sign | KD21837 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2022-10-11 |
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| Expiration | 2032-11-19 |
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| Frequency range | 451.2125 - 456.2125 MHz (2 frequencies) |
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| Locations | 1 |
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| Representative location | WHATCOM, WA |
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| Coordinates | 48.8992778, -122.7690556 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:25:05 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | MO | 451.21250000 | | | 2.000000 | 2.000000 | |
| 1 | 1 | MO | 456.21250000 | | | 2.000000 | 2.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.21250000 | | 11K2F9W |
| 1 | 1 | 456.21250000 | | 11K2F9W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | WHATCOM, WA | 48.89927778, -122.76905556 | | | | |
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 | 7096 PT WHITEHORN RD, BLAINE, WA | WHATCOM | 3603717100 |
Special conditions
| Type | Condition code |
|---|
| P | 1038 |
| P | 4020 |
License history
| Date | File or call sign | Action |
|---|
| 2022-10-11 | KD21837 | LIREN |
| 2016-03-15 | KD21837 | LIMOD |
| 2012-11-01 | KD21837 | LIREN |
| 2012-08-22 | KD21837 | ESCAPR |
| 2009-07-22 | KD21837 | LIAUA |
| 2009-07-21 | KD21837 | ESUAPR |
| 2008-06-11 | KD21837 | LIMOD |
| 2008-02-15 | KD21837 | LIAUA |
| 2008-02-14 | KD21837 | ESCAPR |
| 2002-11-05 | KD21837 | LIREN |
| 2002-08-26 | KD21837 | LETRES |
| 2001-09-04 | KD21837 | AUDOPR |
| 2000-11-24 | KD21837 | LICCNV |
| 1997-09-16 | KD21837 | AUTHPR |
| 1997-09-16 | KD21837 | LIREN |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1881940 | 2026-08-02 01:25:05 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KD21837 | ULS 1881940 | 2026-08-02 01:25:05 |
| Status | A | ULS 1881940 | 2026-08-02 01:25:05 |
| Service | IG | ULS 1881940 | 2026-08-02 01:25:05 |
| Grant Date | 2022-10-11 | ULS 1881940 | 2026-08-02 01:25:05 |
| Expiration Date | 2032-11-19 | ULS 1881940 | 2026-08-02 01:25:05 |