Universal Licensing System
KRR21
San Francisco, City and County of
License details
| ULS identifier | 1217052 |
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| Call sign | KRR21 |
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| Radio service | PW |
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| Status | A |
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| Grant date | 2023-04-05 |
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| Expiration | 2033-06-28 |
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| Frequency range | 155.745 MHz |
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| Locations | 1 |
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| Representative location | SAN FRANCISCO, SAN FRANCISCO, CA |
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| Coordinates | 37.7796389, -122.4285833 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:09:59 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FX1 | 155.74500000 | | | 144.000000 | 144.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 155.74500000 | | 11K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | CENTRAL FIRE ALARM STATION 1003 TURK ST, SAN FRANCISCO, SAN FRANCISCO, CA | 37.77963889, -122.42858333 | 14.000 m | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 38.000 m | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | CENTRAL FIRE ALARM STATION 1003 TURK ST, SAN FRANCISCO, CA | SAN FRANCISCO | 4155502720 |
License history
| Date | File or call sign | Action |
|---|
| 2023-04-05 | KRR21 | LIREN |
| 2023-04-03 | KRR21 | LETRES |
| 2023-03-30 | KRR21 | ESURNW |
| 2017-09-16 | KRR21 | LIAUA |
| 2016-06-15 | KRR21 | LIMOD |
| 2013-09-20 | KRR21 | LIAUA |
| 2013-09-19 | KRR21 | ESUAPR |
| 2013-04-02 | KRR21 | LIREN |
| 2013-04-01 | KRR21 | LETRES |
| 2013-03-09 | KRR21 | LIAUA |
| 2013-03-08 | KRR21 | ESUAPR |
| 2013-03-06 | KRR21 | LIAUA |
| 2013-03-05 | KRR21 | ESUAPR |
| 2013-02-27 | KRR21 | COR |
| 2013-02-11 | KRR21 | LIMOD |
| 2012-02-02 | KRR21 | LIAUA |
| 2012-02-01 | KRR21 | ESUAPR |
| 2012-01-13 | KRR21 | LIAUA |
| 2012-01-12 | KRR21 | ESCAPR |
| 2003-04-12 | KRR21 | LIREN |
| 2003-03-31 | KRR21 | LETRES |
| 2002-02-20 | KRR21 | AUDOPR |
| 2000-10-20 | KRR21 | LICCNV |
| 1998-04-20 | KRR21 | LIREN |
| 1998-04-20 | KRR21 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1217052 | 2026-08-02 01:09:59 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | KRR21 | ULS 1217052 | 2026-08-02 01:09:59 |
| Status | A | ULS 1217052 | 2026-08-02 01:09:59 |
| Service | PW | ULS 1217052 | 2026-08-02 01:09:59 |
| Grant Date | 2023-04-05 | ULS 1217052 | 2026-08-02 01:09:59 |
| Expiration Date | 2033-06-28 | ULS 1217052 | 2026-08-02 01:09:59 |