Universal Licensing System
WPMP307
KRONOS INCORPORATED
License details
| ULS identifier | 1798077 |
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| Call sign | WPMP307 |
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| Radio service | IG |
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| Status | T |
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| Grant date | 2003-10-11 |
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| Expiration | 2013-10-21 |
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| Cancellation | 2003-11-19 |
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| Frequency range | 452.3 - 457.3 MHz (2 frequencies) |
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| Locations | 2 |
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| Representative location | CHELMSFORD, MIDDLESEX, MA |
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| Coordinates | 42.5917500, -71.3195000 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:16:44 |
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Licensee
| Name | KRONOS INCORPORATED |
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| Applicant type | C |
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| FRN | 0009697442 |
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| Location | CHELMSFORD, MA |
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| Address | 297 BILLERICA RD, CHELMSFORD, MA, 01824 |
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| Phone | 9782441505 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 452.30000000 | | | 50.000000 | 75.000000 | |
| 2 | 1 | MO | 457.30000000 | | | 25.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 452.30000000 | | 20K0F3E |
| 2 | 1 | 457.30000000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 300 BILLERICA RD, CHELMSFORD, MIDDLESEX, MA | 42.59175000, -71.31950000 | 45.000 m | BMAST | 10.000 m structure / 12.000 m overall | N |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 12.000 m | | | | 10.000 | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 300 BILLERICA RD, CHELMSFORD, MA | | 9782441505 |
License history
| Date | File or call sign | Action |
|---|
| 2003-11-19 | WPMP307 | LITERM |
| 2003-10-11 | WPMP307 | LIREN |
| 2003-10-11 | WPMP307 | LIAUA |
| 2003-07-28 | WPMP307 | LETRES |
| 2003-03-10 | WPMP307 | AUDCAN |
| 2000-11-23 | WPMP307 | LICCNV |
| 1998-10-21 | WPMP307 | LIISS |
| 1998-10-21 | WPMP307 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1798077 | 2026-08-02 01:16:44 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPMP307 | ULS 1798077 | 2026-08-02 01:16:44 |
| Status | T | ULS 1798077 | 2026-08-02 01:16:44 |
| Service | IG | ULS 1798077 | 2026-08-02 01:16:44 |
| Grant Date | 2003-10-11 | ULS 1798077 | 2026-08-02 01:16:44 |
| Expiration Date | 2013-10-21 | ULS 1798077 | 2026-08-02 01:16:44 |
| Cancellation Date | 2003-11-19 | ULS 1798077 | 2026-08-02 01:16:44 |