Universal Licensing System
KNNH680
ROBERT MARTIN CO
License details
| ULS identifier | 1631055 |
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| Call sign | KNNH680 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 1996-01-23 |
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| Expiration | 2001-01-23 |
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| Cancellation | 2001-03-25 |
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| Frequency range | 461.775 - 467.15 MHz (3 frequencies) |
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| Locations | 2 |
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| Representative location | PEARL RIVER, ROCKLAND, NY |
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| Coordinates | 41.0486944, -74.0065278 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:27:53 |
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Licensee
| Name | ROBERT MARTIN CO |
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| Applicant type | P |
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| Location | ELMSFORD, NY |
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| Address | 100 CLEARBROOK RD, ELMSFORD, NY, 10523 |
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| Phone | 9145924800 |
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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 | MO | 461.77500000 | | | 4.000000 | | |
| 1 | 1 | FB2 | 462.15000000 | | | 25.000000 | 50.000000 | |
| 2 | 1 | MO | 467.15000000 | | | 4.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 2 | 1 | 461.77500000 | | 20K0F3E |
| 1 | 1 | 462.15000000 | | 20K0F3E |
| 2 | 1 | 467.15000000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | ONE BLUE HILL PLZ, PEARL RIVER, ROCKLAND, NY | 41.04869444, -74.00652778 | 62.000 m | B | 26.000 m structure / 34.000 m overall | N |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
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| 1 | 1 | T | | 34.000 m | | | | 26.000 | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | ONE BLUE HILL PLZ, PEARL RIVER, NY | | 9147352400 |
License history
| Date | File or call sign | Action |
|---|
| 2001-03-25 | KNNH680 | LIEXP |
| 2000-11-23 | KNNH680 | LICCNV |
| 2000-10-24 | KNNH680 | LETRES |
| 1996-08-28 | KNNH680 | AUTHPR |
| 1996-07-18 | KNNH680 | LIAUA |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1631055 | 2026-08-02 01:27:53 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | KNNH680 | ULS 1631055 | 2026-08-02 01:27:53 |
| Status | E | ULS 1631055 | 2026-08-02 01:27:53 |
| Service | IG | ULS 1631055 | 2026-08-02 01:27:53 |
| Grant Date | 1996-01-23 | ULS 1631055 | 2026-08-02 01:27:53 |
| Expiration Date | 2001-01-23 | ULS 1631055 | 2026-08-02 01:27:53 |
| Cancellation Date | 2001-03-25 | ULS 1631055 | 2026-08-02 01:27:53 |