Universal Licensing System
KRF209
Northrop Grumman Systems Corporation
License details
| ULS identifier | 1902667 |
|---|
| Call sign | KRF209 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2025-04-08 |
|---|
| Expiration | 2035-04-25 |
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| Frequency range | 452.2875 - 468.45 MHz (13 frequencies) |
|---|
| Locations | 1 |
|---|
| Representative location | Mountain View, SANTA CLARA, CA |
|---|
| Coordinates | 37.4077222, -122.0855278 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:14:10 |
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Licensee
| Name | Northrop Grumman Systems Corporation |
|---|
| Applicant type | C |
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| FRN | 0003800133 |
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| Location | WASHINGTON, DC |
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| Address | 1800 M Street NW, Suite 800N, WASHINGTON, DC, 20036 |
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| Phone | 2027834141 |
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| Email | [email protected] |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 3 | 1 | MO | 452.28750000 | | | 5.000000 | 5.000000 | |
| 1 | 2 | FB2 | 452.35000000 | | | 25.000000 | 50.000000 | |
| 2 | 2 | MO | 452.35000000 | | | 5.000000 | 5.000000 | |
| 3 | 1 | MO | 456.73750000 | | | 5.000000 | 5.000000 | |
| 2 | 2 | MO | 457.35000000 | | | 5.000000 | 5.000000 | |
| 3 | 1 | MO | 457.76250000 | | | 5.000000 | 5.000000 | |
| 3 | 1 | MO | 457.83750000 | | | 5.000000 | 5.000000 | |
| 1 | 1 | FB2 | 462.20000000 | | | 25.000000 | 48.000000 | |
| 1 | 1 | FB | 462.20000000 | | | 25.000000 | 48.000000 | |
| 2 | 1 | MO | 462.20000000 | | | 5.000000 | 5.000000 | |
| 2 | 1 | MO | 462.25000000 | | | 5.000000 | 5.000000 | |
| 4 | 1 | MO | 462.33750000 | | | 5.000000 | 5.000000 | |
| 1 | 2 | FB2 | 463.45000000 | | | 25.000000 | 50.000000 | |
| 2 | 2 | MO | 463.45000000 | | | 5.000000 | 5.000000 | |
| 2 | 1 | MO | 467.20000000 | | | 5.000000 | 5.000000 | |
| 4 | 1 | MO | 467.33750000 | | | 5.000000 | 5.000000 | |
| 2 | 2 | MO | 468.45000000 | | | 5.000000 | 5.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 3 | 1 | 452.28750000 | | 11K2F3E |
| 1 | 2 | 452.35000000 | | 11K2F3E |
| 2 | 2 | 452.35000000 | | 11K2F3E |
| 3 | 1 | 456.73750000 | | 11K2F3E |
| 2 | 2 | 457.35000000 | | 11K2F3E |
| 3 | 1 | 457.76250000 | | 11K2F3E |
| 3 | 1 | 457.83750000 | | 11K2F3E |
| 1 | 1 | 462.20000000 | | 11K2F3E |
| 1 | 1 | 462.20000000 | | 11K2F3E |
| 2 | 1 | 462.20000000 | | 11K2F3E |
| 2 | 1 | 462.25000000 | | 11K2F3E |
| 4 | 1 | 462.33750000 | | 11K2F1E |
| 1 | 2 | 463.45000000 | | 11K2F3E |
| 2 | 2 | 463.45000000 | | 11K2F3E |
| 2 | 1 | 467.20000000 | | 11K2F3E |
| 4 | 1 | 467.33750000 | | 11K2F1E |
| 2 | 2 | 468.45000000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 401 E HENDY AVENUE, SUNNYVALE, SANTA CLARA, CA | 37.37919444, -122.02430556 | 33.000 m | BANT | 25.000 m structure / 27.000 m overall | N |
| 2 | T | | | | | | N |
| 3 | T | SUNNYVALE, SANTA CLARA, CA | 37.37919444, -122.02430556 | | | | N |
| 4 | T | Mountain View, SANTA CLARA, CA | 37.40772222, -122.08552778 | | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 27.000 m | | | | -25.000 | |
| 1 | 2 | T | | | | | | | |
| 1 | 3 | T | | | | | | | |
| 1 | 4 | T | | | | | | | |
| 2 | 1 | T | | 17.000 m | | | | -35.000 | |
| 2 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 401 E. Hendy Ave., SUNNYVALE, CA | SANTA CLARA | 4087354302 |
License history
| Date | File or call sign | Action |
|---|
| 2025-04-08 | KRF209 | LIREN |
| 2025-01-27 | KRF209 | LETRES |
| 2021-11-30 | KRF209 | LETCNS |
| 2021-05-29 | KRF209 | LIAUA |
| 2021-03-01 | KRF209 | LIMOD |
| 2019-05-01 | KRF209 | LETTRS |
| 2019-05-01 | KRF209 | PNLISR |
| 2018-12-27 | KRF209 | LETCNS |
| 2018-03-28 | KRF209 | LIMOD |
| 2015-04-22 | KRF209 | LIREN |
| 2015-04-21 | KRF209 | LIMOD |
| 2015-04-16 | KRF209 | ESUAPR |
| 2015-02-02 | KRF209 | LETRES |
| 2013-06-13 | KRF209 | LIMOD |
| 2012-12-31 | KRF209 | ESUAPR |
| 2012-09-18 | KRF209 | LIAUA |
| 2012-09-16 | KRF209 | ESUAPR |
| 2011-07-30 | KRF209 | LIAUA |
| 2011-07-30 | KRF209 | ESCAPR |
| 2011-07-29 | KRF209 | EFUAPR |
| 2011-07-29 | KRF209 | ESUAPR |
| 2011-03-31 | KRF209 | LITRAN |
| 2011-01-28 | KRF209 | ESUAPR |
| 2009-11-10 | KRF209 | LIAUA |
| 2009-11-09 | KRF209 | ESUAPR |
| 2008-04-28 | KRF209 | ESUAPR |
| 2008-04-25 | KRF209 | LIAUA |
| 2008-04-24 | KRF209 | ESUAPR |
| 2005-03-09 | KRF209 | LIREN |
| 2005-02-28 | KRF209 | ESUAPR |
| 2005-01-14 | KRF209 | LIAUA |
| 2005-01-13 | KRF209 | ESUAPR |
| 2002-11-08 | KRF209 | LIAUA |
| 2002-04-10 | KRF209 | LIAUA |
| 2002-03-02 | KRF209 | LIAUA |
| 2002-01-17 | KRF209 | AUDOPR |
| 2001-05-10 | KRF209 | LITRAN |
| 2000-11-24 | KRF209 | LICCNV |
| 2000-03-22 | KRF209 | AUTHPR |
| 2000-03-22 | KRF209 | LIREN |
| 2000-01-21 | KRF209 | LETRES |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1902667 | 2026-08-02 01:14:10 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KRF209 | ULS 1902667 | 2026-08-02 01:14:10 |
| Status | A | ULS 1902667 | 2026-08-02 01:14:10 |
| Service | IG | ULS 1902667 | 2026-08-02 01:14:10 |
| Grant Date | 2025-04-08 | ULS 1902667 | 2026-08-02 01:14:10 |
| Expiration Date | 2035-04-25 | ULS 1902667 | 2026-08-02 01:14:10 |