Universal Licensing System
WPDI599
Northrop Grumman Systems Corporation
License details
| ULS identifier | 1782502 |
|---|---|
| Call sign | WPDI599 |
| Radio service | IG |
| Status | A |
| Grant date | 2024-01-04 |
| Expiration | 2033-12-08 |
| Frequency range | 461.625 - 468.7 MHz (7 frequencies) |
| Locations | 2 |
| Representative location | HERNDON, FAIRFAX, VA |
| Coordinates | 38.9590833, -77.4243611 |
| Source archive | l_LMpriv.zip |
| Dataset refreshed | 2026-08-02 01:14:10 |
Licensee
| Name | Northrop Grumman Systems Corporation |
|---|---|
| Applicant type | C |
| FRN | 0003800133 |
| Location | Washington, DC |
| Address | 1800 M Street, NW, Suite 800, Washington, DC, 20036 |
| Phone | 2027834141 |
| [email protected] |
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|---|---|---|---|---|---|---|---|
| 5 | 1 | FB2 | 461.62500000 | 75.000000 | 140.000000 | |||
| 8 | 1 | MO | 461.62500000 | 50.000000 | ||||
| 1 | 1 | FB2 | 462.25000000 | 110.000000 | 156.000000 | |||
| 9 | 1 | FB2 | 463.70000000 | 100.000000 | 65.000000 | |||
| 10 | 1 | MO | 463.70000000 | 5.000000 | 5.000000 | |||
| 7 | 1 | MO | 464.76250000 | 2.000000 | ||||
| 6 | 1 | FX1 | 466.62500000 | 30.000000 | ||||
| 8 | 1 | MO | 466.62500000 | 50.000000 | ||||
| 2 | 1 | FX1 | 467.25000000 | 110.000000 | 135.000000 | |||
| 3 | 1 | FX1 | 467.25000000 | 30.000000 | 27.000000 | |||
| 4 | 1 | FX1 | 467.25000000 | 30.000000 | 26.000000 | |||
| 7 | 1 | MO | 467.25000000 | 60.000000 | ||||
| 10 | 1 | MO | 468.70000000 | 5.000000 | 5.000000 |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|---|---|---|---|
| 5 | 1 | 461.62500000 | 11K2F3E | |
| 8 | 1 | 461.62500000 | 11K2F3E | |
| 1 | 1 | 462.25000000 | 11K2F3E | |
| 9 | 1 | 463.70000000 | 7K60FXD | |
| 9 | 1 | 463.70000000 | 7K60FXE | |
| 10 | 1 | 463.70000000 | 7K60FXD | |
| 10 | 1 | 463.70000000 | 7K60FXE | |
| 7 | 1 | 464.76250000 | 11K2F3E | |
| 6 | 1 | 466.62500000 | 11K2F3E | |
| 8 | 1 | 466.62500000 | 11K2F3E | |
| 2 | 1 | 467.25000000 | 11K2F3E | |
| 3 | 1 | 467.25000000 | 11K2F3E | |
| 4 | 1 | 467.25000000 | 11K2F3E | |
| 7 | 1 | 467.25000000 | 11K2F3E | |
| 10 | 1 | 468.70000000 | 7K60FXD | |
| 10 | 1 | 468.70000000 | 7K60FXE |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|---|---|---|---|---|---|---|
| 1 | T | 2751 PROSPERITY, FAIRFAX, VA | 38.90372222, -77.21775000 | 103.000 m | B | 12.000 m structure / 12.000 m overall | N |
| 2 | T | ONE FEDERAL SYSTEMS PARK DR, FAIRFAX, VA | 38.86566667, -77.36691667 | 110.000 m | B | 9.000 m structure / 9.000 m overall | N |
| 3 | T | 7600 COLSHIRE DR, MCLEAN, FAIRFAX, VA | 38.92538889, -77.20608333 | 107.000 m | B | 4.000 m structure / 4.000 m overall | N |
| 4 | T | 2200 MILL RD, ALEXANDRIA, VA | 38.73983333, -77.07386111 | 116.000 m | B | 9.000 m structure / 9.000 m overall | N |
| 5 | T | 7600 COLSHIRE, MCLEAN, FAIRFAX, VA | 38.92566667, -77.20636111 | 107.000 m | B | 4.000 m structure / 4.000 m overall | N |
| 6 | T | VA | |||||
| 7 | T | ||||||
| 8 | T | ||||||
| 9 | T | 2340 DULLES CORNER BLVD, HERNDON, FAIRFAX, VA | 38.95908333, -77.42436111 | 98.000 m | B | 29.000 m structure / 29.000 m overall | N |
| 10 | T | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | T | 41.000 m | 56.000 | |||||
| 1 | 2 | T | 27.000 m | 0.000 | |||||
| 1 | 3 | T | 41.000 m | 0.000 | |||||
| 1 | 4 | T | 27.000 m | 0.000 | |||||
| 1 | 5 | T | 41.000 m | 59.000 | |||||
| 1 | 6 | T | |||||||
| 1 | 7 | T | |||||||
| 1 | 8 | T | |||||||
| 1 | 9 | T | 12.000 m | 11.000 | |||||
| 1 | 10 | T |
Control points
| Number | Address | County | Phone |
|---|---|---|---|
| 1 | ONE FEDERAL SYSTEMS PARK DR, FAIRFAX, VA | 5716234339 | |
| 2 | 2340 DULLES CORNER BLVD, HERNDON, VA | FAIRFAX | 5716234339 |
License history
| Date | File or call sign | Action |
|---|---|---|
| 2026-04-24 | WPDI599 | LIAUA |
| 2024-01-04 | WPDI599 | LIREN |
| 2023-09-11 | WPDI599 | LETRES |
| 2016-05-17 | WPDI599 | LETCNS |
| 2015-08-12 | WPDI599 | LIMOD |
| 2015-08-11 | WPDI599 | LIMOD |
| 2015-08-07 | WPDI599 | ESUAPR |
| 2013-12-10 | WPDI599 | LIREN |
| 2013-09-16 | WPDI599 | LETRES |
| 2013-05-20 | WPDI599 | LIMOD |
| 2012-12-31 | WPDI599 | ESUAPR |
| 2012-10-20 | WPDI599 | LIAUA |
| 2012-10-20 | WPDI599 | ESUAPR |
| 2012-09-25 | WPDI599 | ESUAPR |
| 2012-09-25 | WPDI599 | EFUAPR |
| 2012-09-18 | WPDI599 | LIAUA |
| 2012-09-16 | WPDI599 | ESUAPR |
| 2011-07-23 | WPDI599 | ESCAPR |
| 2011-07-23 | WPDI599 | LIAUA |
| 2011-07-22 | WPDI599 | ESUAPR |
| 2011-07-22 | WPDI599 | EFUAPR |
| 2011-03-31 | WPDI599 | LIASS |
| 2011-02-09 | WPDI599 | ESUAPR |
| 2009-01-01 | WPDI599 | LIAUA |
| 2008-12-31 | WPDI599 | ESUAPR |
| 2008-04-28 | WPDI599 | ESUAPR |
| 2008-04-25 | WPDI599 | LIAUA |
| 2008-04-24 | WPDI599 | ESUAPR |
| 2005-01-14 | WPDI599 | LIAUA |
| 2005-01-13 | WPDI599 | ESUAPR |
| 2003-12-03 | WPDI599 | LIREN |
| 2003-09-15 | WPDI599 | LETRES |
| 2003-03-26 | WPDI599 | LIASS |
| 2003-02-20 | WPDI599 | LIAUA |
| 2003-01-24 | WPDI599 | LIAUA |
| 2002-12-11 | WPDI599 | LITRAN |
| 2001-11-28 | WPDI599 | AUDOPR |
| 2000-11-23 | WPDI599 | LICCNV |
| 1998-12-08 | WPDI599 | LIREN |
| 1998-12-08 | WPDI599 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|---|---|---|
| ULS | 1782502 | 2026-08-02 01:14:10 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|---|---|---|
| Call Sign | WPDI599 | ULS 1782502 | 2026-08-02 01:14:10 |
| Status | A | ULS 1782502 | 2026-08-02 01:14:10 |
| Service | IG | ULS 1782502 | 2026-08-02 01:14:10 |
| Grant Date | 2024-01-04 | ULS 1782502 | 2026-08-02 01:14:10 |
| Expiration Date | 2033-12-08 | ULS 1782502 | 2026-08-02 01:14:10 |