Universal Licensing System
KTW853
MITRE CORPORATION
License details
| ULS identifier | 1639223 |
|---|
| Call sign | KTW853 |
|---|
| Radio service | IG |
|---|
| Status | E |
|---|
| Grant date | 2015-08-26 |
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| Expiration | 2025-10-25 |
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| Cancellation | 2025-12-27 |
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| Frequency range | 154.515 - 457.225 MHz (4 frequencies) |
|---|
| Locations | 2 |
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| Representative location | BEDFORD, MIDDLESEX, MA |
|---|
| Coordinates | 42.5065833, -71.2340000 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:18:40 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB | 154.51500000 | | | 10.000000 | 8.000000 | |
| 2 | 1 | FB | 154.51500000 | | | 35.000000 | 73.000000 | |
| 3 | 1 | MO | 159.99000000 | | | 2.000000 | 2.000000 | |
| 3 | 1 | MO | 159.99000000 | | | 5.000000 | 5.000000 | |
| 3 | 1 | MO | 452.22500000 | | | 4.000000 | 4.000000 | |
| 4 | 1 | FB2 | 452.22500000 | | | 100.000000 | 200.000000 | |
| 3 | 1 | MO | 457.22500000 | | | 4.000000 | 4.000000 | |
| 5 | 1 | FX1 | 457.22500000 | | | 25.000000 | 25.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 154.51500000 | | 11K2F3E |
| 2 | 1 | 154.51500000 | | 11K2F3E |
| 3 | 1 | 159.99000000 | | 11K2F3E |
| 3 | 1 | 159.99000000 | | 11K2F3E |
| 3 | 1 | 452.22500000 | | 7K60FXE |
| 3 | 1 | 452.22500000 | | 7K60FXD |
| 4 | 1 | 452.22500000 | | 7K60FXE |
| 4 | 1 | 452.22500000 | | 7K60FXD |
| 3 | 1 | 457.22500000 | | 7K60FXE |
| 3 | 1 | 457.22500000 | | 7K60FXD |
| 5 | 1 | 457.22500000 | | 7K60FXD |
| 5 | 1 | 457.22500000 | | 7K60FXE |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | BLDG A BURLINGTON RD, BEDFORD, MIDDLESEX, MA | 42.50480556, -71.23505556 | 43.000 m | B | 16.000 m structure / 16.000 m overall | N |
| 2 | T | BLDG KK BURLINGTON RD, BEDFORD, MIDDLESEX, MA | 42.50619444, -71.23616667 | 46.000 m | B | 24.000 m structure / 24.000 m overall | N |
| 3 | T | | | | | | |
| 4 | | 202 BURLINGTON ROAD BLDG M, BEDFORD, MIDDLESEX, MA | 42.50658333, -71.23400000 | 44.000 m | B | 12.100 m structure / 16.700 m overall | N |
| 5 | | MIDDLESEX, MA | | | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 16.000 m | | | | 9.300 | |
| 1 | 2 | T | | 24.000 m | | | | 20.300 | |
| 1 | 3 | T | | | | | | | |
| 1 | 4 | T | | 16.700 m | | | | 11.400 | |
| 1 | 5 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | BLDG M 202 BURLINGTON RD, BLDG A BURLINGTON RD, MA | MIDDLESEX | 6172713930 |
| 2 | BLDG K 202 Burlington Road, Bedford, MA | MIDDLESEX | 7812713930 |
License history
| Date | File or call sign | Action |
|---|
| 2025-12-27 | KTW853 | LIEXP |
| 2025-08-04 | KTW853 | LETRES |
| 2015-08-26 | KTW853 | LIREN |
| 2015-08-03 | KTW853 | LETRES |
| 2012-03-21 | KTW853 | LETTRS |
| 2012-03-21 | KTW853 | PNLISR |
| 2011-11-15 | KTW853 | LETCNS |
| 2011-02-10 | KTW853 | LIMOD |
| 2005-09-30 | KTW853 | LIREN |
| 2005-08-26 | KTW853 | LIREN |
| 2005-08-25 | KTW853 | ESCAPR |
| 2005-08-01 | KTW853 | LETRES |
| 2004-04-13 | KTW853 | LIMOD |
| 2002-04-26 | KTW853 | AUDOPR |
| 2000-11-23 | KTW853 | LICCNV |
| 2000-08-11 | KTW853 | AUTHPR |
| 2000-08-11 | KTW853 | LIREN |
| 2000-07-24 | KTW853 | LETRES |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1639223 | 2026-08-02 01:18:40 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KTW853 | ULS 1639223 | 2026-08-02 01:18:40 |
| Status | E | ULS 1639223 | 2026-08-02 01:18:40 |
| Service | IG | ULS 1639223 | 2026-08-02 01:18:40 |
| Grant Date | 2015-08-26 | ULS 1639223 | 2026-08-02 01:18:40 |
| Expiration Date | 2025-10-25 | ULS 1639223 | 2026-08-02 01:18:40 |
| Cancellation Date | 2025-12-27 | ULS 1639223 | 2026-08-02 01:18:40 |