Universal Licensing System
KPM391
TTWN Networks, LLC
License details
| ULS identifier | 1121831 |
|---|
| Call sign | KPM391 |
|---|
| Radio service | RP |
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| Status | A |
|---|
| Grant date | 2021-12-03 |
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| Expiration | 2029-12-01 |
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| Frequency range | 450.5375 - 455.5375 MHz (2 frequencies) |
|---|
| Locations | 1 |
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| Representative location | SAN FRANCISCO, SAN FRANCISCO, CA |
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| Coordinates | 37.7568611, -122.3816389 |
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| Source archive | l_LMbcast.zip |
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| Dataset refreshed | 2026-08-02 00:37:43 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 2 | FB | 450.53750000 | | | 25.000000 | 70.000000 | |
| 2 | 1 | MO | 450.53750000 | | | 25.000000 | 70.000000 | |
| 1 | 1 | FB | 455.53750000 | | | 25.000000 | 70.000000 | |
| 2 | 1 | MO | 455.53750000 | | | 25.000000 | 70.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 2 | 450.53750000 | | 20K0F3E |
| 2 | 1 | 450.53750000 | | 16K0F3E |
| 1 | 1 | 455.53750000 | | 20K0F3E |
| 2 | 1 | 455.53750000 | | 16K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 221 MAIN ST STE 900, SAN FRANCISCO, SAN FRANCISCO, CA | 37.75686111, -122.38163889 | 1.500 m | B | 70.700 m structure / 72.800 m overall | N |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 75.000 m | | | | 0.000 | |
| 1 | 2 | T | | | | | | | |
| 2 | 1 | T | | 75.000 m | V | 6.0000 | | 0.000 | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 40 W 57TH ST 14TH FLOOR, NEW YORK, NY | | 2123149215 |
License history
| Date | File or call sign | Action |
|---|
| 2021-12-03 | KPM391 | LIREN |
| 2021-09-06 | KPM391 | LETRES |
| 2019-12-31 | KPM391 | LITRAN |
| 2019-05-01 | KPM391 | LIASS |
| 2018-04-24 | KPM391 | LIASS |
| 2017-08-23 | KPM391 | LIAUA |
| 2016-05-03 | KPM391 | LIAUA |
| 2016-05-02 | KPM391 | ESCAPR |
| 2015-07-02 | KPM391 | LITRAN |
| 2015-06-19 | KPM391 | ESUAPR |
| 2013-09-18 | KPM391 | LIREN |
| 2013-09-09 | KPM391 | LETRES |
| 2011-07-13 | KPM391 | LITRAN |
| 2011-07-13 | KPM391 | LTSAPR |
| 2011-05-30 | KPM391 | LTSAPR |
| 2011-05-28 | KPM391 | LIAUA |
| 2011-04-29 | KPM391 | ESUAPR |
| 2011-04-29 | KPM391 | LIASS |
| 2010-06-15 | KPM391 | LIASS |
| 2010-06-04 | KPM391 | ESUAPR |
| 2009-04-23 | KPM391 | LITRAN |
| 2009-04-15 | KPM391 | ESUAPR |
| 2005-11-19 | KPM391 | LIREN |
| 2005-11-18 | KPM391 | ESUAPR |
| 2005-09-12 | KPM391 | LETRES |
| 2001-08-25 | KPM391 | LIAUA |
| 2001-04-25 | KPM391 | LIAUA |
| 2001-04-09 | KPM391 | COR |
| 2001-01-01 | KPM391 | LIASS |
| 2000-09-15 | KPM391 | LICCNV |
| 1998-04-30 | KPM391 | AUTHPR |
| 1998-04-30 | KPM391 | LIASS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1121831 | 2026-08-02 00:37:43 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KPM391 | ULS 1121831 | 2026-08-02 00:37:43 |
| Status | A | ULS 1121831 | 2026-08-02 00:37:43 |
| Service | RP | ULS 1121831 | 2026-08-02 00:37:43 |
| Grant Date | 2021-12-03 | ULS 1121831 | 2026-08-02 00:37:43 |
| Expiration Date | 2029-12-01 | ULS 1121831 | 2026-08-02 00:37:43 |