Universal Licensing System
KNDM688
GLADSTONE BROTHERS INC
License details
| ULS identifier | 1851369 |
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| Call sign | KNDM688 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 2002-07-09 |
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| Expiration | 2012-08-27 |
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| Cancellation | 2012-10-27 |
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| Frequency range | 452.125 - 457.125 MHz (2 frequencies) |
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| Locations | 4 |
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| Representative location | WINDHAM, ROCKINGHAM, NH |
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| Coordinates | 42.8170278, -71.2695000 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:09:13 |
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Licensee
| Name | GLADSTONE BROTHERS INC |
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| Applicant type | C |
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| FRN | 0003640786 |
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| Location | METHUEN, MA |
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| Address | 75 MYSTIC STREET, METHUEN, MA, 01844 |
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| Phone | 6176850841 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
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| 2 | 1 | FB2 | 452.12500000 | | | 250.000000 | 420.000000 | |
| 3 | 1 | FB2 | 452.12500000 | | | 110.000000 | 400.000000 | |
| 1 | 1 | FX1 | 457.12500000 | | | 30.000000 | | |
| 4 | 1 | MO | 457.12500000 | | | 100.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 2 | 1 | 452.12500000 | | 20K0F3E |
| 3 | 1 | 452.12500000 | | 20K0F3E |
| 1 | 1 | 457.12500000 | | 20K0F3E |
| 4 | 1 | 457.12500000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | NH | | | | | |
| 2 | T | GOVERNOR DINSMORE RD, WINDHAM, ROCKINGHAM, NH | 42.81702778, -71.26950000 | 122.000 m | | | N |
| 3 | T | WARNER HILL, DERRY, ROCKINGHAM, NH | 42.88202778, -71.25838889 | 169.000 m | | | N |
| 4 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
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| 1 | 1 | T | | | | | | | |
| 1 | 2 | T | | 144.000 m | | | | | |
| 1 | 3 | T | | 46.000 m | | | | | |
| 1 | 4 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 75 MYSTIC ST, METHUEN, MA | | 6176850841 |
License history
| Date | File or call sign | Action |
|---|
| 2012-10-27 | KNDM688 | LIEXP |
| 2012-06-04 | KNDM688 | LETRES |
| 2006-11-03 | KNDM688 | LIAUA |
| 2006-11-03 | KNDM688 | LTSAPR |
| 2002-07-09 | KNDM688 | LIREN |
| 2002-06-29 | KNDM688 | LIAUA |
| 2002-06-03 | KNDM688 | LETRES |
| 2001-11-15 | KNDM688 | AUDOPR |
| 2000-11-24 | KNDM688 | LICCNV |
| 1997-08-06 | KNDM688 | LIREN |
| 1997-08-06 | KNDM688 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 1851369 | 2026-08-02 01:09:13 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | KNDM688 | ULS 1851369 | 2026-08-02 01:09:13 |
| Status | E | ULS 1851369 | 2026-08-02 01:09:13 |
| Service | IG | ULS 1851369 | 2026-08-02 01:09:13 |
| Grant Date | 2002-07-09 | ULS 1851369 | 2026-08-02 01:09:13 |
| Expiration Date | 2012-08-27 | ULS 1851369 | 2026-08-02 01:09:13 |
| Cancellation Date | 2012-10-27 | ULS 1851369 | 2026-08-02 01:09:13 |