Universal Licensing System
WLR56
National Grid USA Service Company Inc.
License details
| ULS identifier | 997654 |
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| Call sign | WLR56 |
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| Radio service | MG |
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| Status | C |
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| Grant date | 2010-05-12 |
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| Expiration | 2020-07-27 |
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| Cancellation | 2017-08-31 |
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| Frequency range | 6565 - 6685 MHz (4 frequencies) |
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| Locations | 3 |
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| Representative location | AYER, MIDDLESEX, MA |
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| Coordinates | 42.5695278, -71.5308889 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:47:45 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 4 | FXO | 6565.00000000 | | | | | |
| 1 | 3 | FXO | 6645.00000000 | | | | | |
| 1 | 1 | FXO | 6655.00000000 | | | | | |
| 1 | 2 | FXO | 6685.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 4 | 6565.00000000 | | 10M0D9W |
| 1 | 3 | 6645.00000000 | | 10M0D9W |
| 1 | 1 | 6655.00000000 | | 10M0F9W |
| 1 | 2 | 6685.00000000 | | 10M0F9W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | SANDY POND RD, AYER, MIDDLESEX, MA | 42.56952778, -71.53088889 | 82.000 m | | 61.000 m overall | |
| 2 | R | | 42.65508333, -71.21811111 | 108.500 m | | | |
| 3 | R | | 42.30341667, -71.89672222 | 416.100 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | H | 42.2000 | 69.6000 | | |
| 1 | 2 | R | | | | 42.4000 | | | |
| 1 | 3 | R | | | | 42.4000 | | | |
| 2 | 1 | T | | | H | 42.4000 | 225.6000 | | |
| 2 | 2 | R | Andrew Corporation PL8-65D | | | 42.3000 | | | |
| 2 | 3 | R | Cablewave Systems PAL8-65 | | | 42.4000 | | | |
| 3 | 1 | T | Cablewave Systems PAX8-65 | | V | 42.2000 | 225.6000 | | |
| 4 | 1 | T | Cablewave Systems PAL8-65 | | H | 42.4000 | 69.5000 | | |
License history
| Date | File or call sign | Action |
|---|
| 2017-09-01 | WLR56 | LICAN |
| 2010-05-12 | WLR56 | LIREN |
| 2010-05-11 | WLR56 | ESUAPR |
| 2010-05-03 | WLR56 | LETRES |
| 2009-01-22 | WLR56 | LTSAPR |
| 2009-01-22 | WLR56 | LIAUA |
| 2009-01-21 | WLR56 | LIAUA |
| 2009-01-20 | WLR56 | ESUAPR |
| 2000-05-12 | WLR56 | LIAUA |
| 2000-05-08 | WLR56 | LIMOD |
| 2000-05-05 | WLR56 | LIREN |
| 2000-04-29 | WLR56 | LETRES |
| 2000-03-22 | WLR56 | LITRAN |
| 1999-08-14 | WLR56 | LICCNV |
| 1995-06-23 | WLR56 | LIREN |
| 1990-07-27 | WLR56 | LIMOD |
| 1990-07-18 | WLR56 | LIMOD |
| 1987-07-10 | WLR56 | LIMOD |
| 1985-12-20 | WLR56 | LIMOD |
| 1984-04-20 | WLR56 | LIMOD |
| 1982-01-04 | WLR56 | LIMOD |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 997654 | 2026-08-02 02:47:45 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WLR56 | ULS 997654 | 2026-08-02 02:47:45 |
| Status | C | ULS 997654 | 2026-08-02 02:47:45 |
| Service | MG | ULS 997654 | 2026-08-02 02:47:45 |
| Grant Date | 2010-05-12 | ULS 997654 | 2026-08-02 02:47:45 |
| Expiration Date | 2020-07-27 | ULS 997654 | 2026-08-02 02:47:45 |
| Cancellation Date | 2017-08-31 | ULS 997654 | 2026-08-02 02:47:45 |