Universal Licensing System
WPGK241
POLAROID CORP
License details
| ULS identifier | 1907643 |
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| Call sign | WPGK241 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 2000-02-28 |
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| Expiration | 2005-02-02 |
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| Cancellation | 2005-04-09 |
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| Frequency range | 451.475 - 456.475 MHz (2 frequencies) |
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| Locations | 1 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:09:30 |
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Licensee
| Name | POLAROID CORP |
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| Applicant type | C |
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| FRN | 0004902185 |
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| Location | WALTHAM, MA |
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| Address | 920 WINTER ST BLDG R1-1, WALTHAM, MA, 02451 |
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| Phone | 6173864067 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 451.47500000 | | | 50.000000 | 50.000000 | |
| 2 | 1 | FX1 | 456.47500000 | | | 25.000000 | | |
| 3 | 1 | MO | 456.47500000 | | | 4.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.47500000 | | 20K0F3E |
| 2 | 1 | 456.47500000 | | 20K0F3E |
| 3 | 1 | 456.47500000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 730 MAIN ST, CAMBRIDGE, SUFFOLK, MA | 42.36258333, -71.09394444 | 6.000 m | B | 15.000 m structure / 15.000 m overall | N |
| 2 | T | MA | | | | | |
| 3 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 18.000 m | | | | | |
| 1 | 2 | T | | | | | | | |
| 1 | 3 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 750 MAIN ST, CAMBRIDGE, MA | | 6173864067 |
License history
| Date | File or call sign | Action |
|---|
| 2005-04-09 | WPGK241 | LIEXP |
| 2004-11-08 | WPGK241 | LETRES |
| 2002-07-26 | WPGK241 | AUDOPR |
| 2000-11-24 | WPGK241 | LICCNV |
| 2000-02-28 | WPGK241 | LIREN |
| 2000-02-28 | WPGK241 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1907643 | 2026-08-02 01:09:30 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPGK241 | ULS 1907643 | 2026-08-02 01:09:30 |
| Status | E | ULS 1907643 | 2026-08-02 01:09:30 |
| Service | IG | ULS 1907643 | 2026-08-02 01:09:30 |
| Grant Date | 2000-02-28 | ULS 1907643 | 2026-08-02 01:09:30 |
| Expiration Date | 2005-02-02 | ULS 1907643 | 2026-08-02 01:09:30 |
| Cancellation Date | 2005-04-09 | ULS 1907643 | 2026-08-02 01:09:30 |