Universal Licensing System
KNNH644
PFIZER INC
License details
| ULS identifier | 1631000 |
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| Call sign | KNNH644 |
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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 | 463.575 - 469.7 MHz (4 frequencies) |
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| Locations | 2 |
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| Representative location | GROTON, NEW LONDON, CT |
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| Coordinates | 41.3315000, -72.0784167 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:11:35 |
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Licensee
| Name | PFIZER INC |
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| Applicant type | C |
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| FRN | 0004496394 |
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| Location | GROTON, CT |
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| Address | EASTERN POINT RD, GROTON, CT, 06340 |
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| Phone | 2034416055 |
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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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| 1 | 1 | FB2 | 463.57500000 | | | 50.000000 | 56.000000 | |
| 1 | 1 | FB2 | 464.70000000 | | | 50.000000 | 56.000000 | |
| 2 | 1 | MO | 468.57500000 | | | 2.000000 | 1.500000 | |
| 2 | 1 | MO | 469.70000000 | | | 2.000000 | 1.500000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 463.57500000 | | 20K0F1D |
| 1 | 1 | 463.57500000 | | 20K0F3E |
| 1 | 1 | 464.70000000 | | 20K0F1D |
| 1 | 1 | 464.70000000 | | 20K0F3E |
| 2 | 1 | 468.57500000 | | 20K0F1D |
| 2 | 1 | 468.57500000 | | 20K0F3E |
| 2 | 1 | 469.70000000 | | 20K0F1D |
| 2 | 1 | 469.70000000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | EASTERN POINT RD BLDG 80, GROTON, NEW LONDON, CT | 41.33150000, -72.07841667 | 6.000 m | B | 30.000 m structure / 32.000 m overall | N |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 32.000 m | | | | 18.000 | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | EASTERN POINT RD, GROTON, CT | | 2034416055 |
License history
| Date | File or call sign | Action |
|---|
| 2001-03-25 | KNNH644 | LIEXP |
| 2000-11-23 | KNNH644 | LICCNV |
| 2000-10-24 | KNNH644 | LETRES |
| 1996-01-24 | KNNH644 | AUTHPR |
| 1996-01-23 | KNNH644 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1631000 | 2026-08-02 01:11:35 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | KNNH644 | ULS 1631000 | 2026-08-02 01:11:35 |
| Status | E | ULS 1631000 | 2026-08-02 01:11:35 |
| Service | IG | ULS 1631000 | 2026-08-02 01:11:35 |
| Grant Date | 1996-01-23 | ULS 1631000 | 2026-08-02 01:11:35 |
| Expiration Date | 2001-01-23 | ULS 1631000 | 2026-08-02 01:11:35 |
| Cancellation Date | 2001-03-25 | ULS 1631000 | 2026-08-02 01:11:35 |