Universal Licensing System
KNLS471
AMS Spectrum Holdings, LLC
License details
| ULS identifier | 5139 |
|---|
| Call sign | KNLS471 |
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| Radio service | CD |
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| Status | C |
|---|
| Grant date | 2016-06-01 |
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| Expiration | 2026-05-16 |
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| Cancellation | 2026-04-09 |
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| Frequency range | 931.1125 - 931.5875 MHz (2 frequencies) |
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| Locations | 5 |
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| Representative location | UKIAH, MENDOCINO, CA |
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| Coordinates | 39.1304444, -123.0766667 |
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| Source archive | l_paging.zip |
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| Dataset refreshed | 2026-08-24 08:47:39 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FBBS | 931.11250000 | | | | 889.000000 | |
| 2 | 1 | FBBS | 931.11250000 | | | | 840.000000 | |
| 3 | 1 | FBBS | 931.11250000 | | | | 1256.000000 | |
| 4 | 1 | FBBS | 931.11250000 | | | | 1028.000000 | |
| 5 | 1 | FBBS | 931.11250000 | | | | 828.000000 | |
| 1 | 2 | FBBS | 931.58750000 | | | 255.000000 | 500.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 931.11250000 | | 15K0F2D |
| 1 | 1 | 931.11250000 | | 16K0F1D |
| 1 | 1 | 931.11250000 | | 16K0F3E |
| 2 | 1 | 931.11250000 | | 16K0F3E |
| 2 | 1 | 931.11250000 | | 16K0F1D |
| 2 | 1 | 931.11250000 | | 15K0F2D |
| 3 | 1 | 931.11250000 | | 16K0F3E |
| 3 | 1 | 931.11250000 | | 15K0F2D |
| 3 | 1 | 931.11250000 | | 16K0F1D |
| 4 | 1 | 931.11250000 | | 15K0F2D |
| 4 | 1 | 931.11250000 | | 16K0F1D |
| 4 | 1 | 931.11250000 | | 16K0F3E |
| 5 | 1 | 931.11250000 | | 16K0F3E |
| 5 | 1 | 931.11250000 | | 16K0F1D |
| 5 | 1 | 931.11250000 | | 15K0F2D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | COW MOUNTAIN, UKIAH, MENDOCINO, CA | 39.13044444, -123.07666667 | 1088.000 m | NNTANN | 61.000 m structure / 67.000 m overall | N |
| 2 | T | EAST OF HIGHWAY 101, CRESCENT CITY, DEL NORTE, CA | 41.75955556, -124.19227778 | 3.000 m | | 94.000 m overall | N |
| 3 | T | ROCKY POINT, LAKE ISABELLA, KERN, CA | 35.68744444, -118.42063889 | 1090.000 m | | 18.000 m overall | N |
| 4 | T | Sonoma Mtn, PETALUMA, SONOMA, CA | 38.35544444, -122.61775000 | 451.000 m | | 30.000 m overall | N |
| 5 | T | Barnes Grade 4.8 km W of, ALTURAS, MODOC, CA | 41.49905556, -120.62272222 | 1500.000 m | | 22.000 m overall | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | CELWAVE PD 1108 | 67.000 m | V | 0.0000 | 0.0000 | | |
| 1 | 2 | T | CELWAVE PD1108 | 94.000 m | V | | | | |
| 1 | 3 | T | CELWAVE PD1108 | 18.000 m | V | | | | |
| 1 | 4 | T | CELWAVE PD-1108 | 30.000 m | V | | | | |
| 1 | 5 | T | CELWAVE PD-1108 | 22.000 m | V | | | | |
| 2 | 1 | T | DECIBEL DB 806 | 67.000 m | V | 6.0000 | 360.0000 | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 525 SOUTH DOUGLAS STREET, EL SEGUNDO, CA | | 3107905252 |
License history
| Date | File or call sign | Action |
|---|
| 2026-04-10 | KNLS471 | LICAN |
| 2026-02-23 | KNLS471 | LETRES |
| 2022-03-29 | KNLS471 | LIAUA |
| 2016-06-01 | KNLS471 | LIREN |
| 2016-02-22 | KNLS471 | LETRES |
| 2015-12-04 | KNLS471 | LIAUA |
| 2015-12-03 | KNLS471 | ESUAPR |
| 2013-04-20 | KNLS471 | LIAUA |
| 2013-04-19 | KNLS471 | ESUAPR |
| 2009-11-24 | KNLS471 | LIASS |
| 2009-11-13 | KNLS471 | ESUAPR |
| 2007-06-27 | KNLS471 | LIAUA |
| 2007-06-27 | KNLS471 | ESUAPR |
| 2007-04-28 | KNLS471 | LIAUA |
| 2007-04-27 | KNLS471 | ESUAPR |
| 2007-02-17 | KNLS471 | LITRAN |
| 2007-01-09 | KNLS471 | ESUAPR |
| 2007-01-08 | KNLS471 | LIASS |
| 2006-08-30 | KNLS471 | LIASS |
| 2006-04-25 | KNLS471 | LIREN |
| 2006-03-15 | KNLS471 | ESUAPR |
| 2006-02-20 | KNLS471 | LETRES |
| 2005-01-13 | KNLS471 | LETAFU |
| 2004-11-02 | KNLS471 | AUDOPR |
| 2004-09-28 | KNLS471 | LETAUS |
| 2003-05-28 | KNLS471 | LIASS |
| 2003-04-26 | KNLS471 | LITRAN |
| 1999-09-21 | KNLS471 | AUTHPR |
| 1999-08-12 | KNLS471 | AUTHPR |
| 1999-08-11 | KNLS471 | COR |
| 1999-08-11 | KNLS471 | INTDUP |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 5139 | 2026-08-02 02:52:17 | Source Primary |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KNLS471 | ULS 5139 | 2026-08-24 08:47:39 |
| Status | C | ULS 5139 | 2026-08-24 08:47:39 |
| Service | CD | ULS 5139 | 2026-08-24 08:47:39 |
| Grant Date | 2016-06-01 | ULS 5139 | 2026-08-24 08:47:39 |
| Expiration Date | 2026-05-16 | ULS 5139 | 2026-08-24 08:47:39 |
| Cancellation Date | 2026-04-09 | ULS 5139 | 2026-08-24 08:47:39 |