Universal Licensing System
WPKI300
NATIONAL SEMICONDUCTOR
License details
| ULS identifier | 1908780 |
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| Call sign | WPKI300 |
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| Radio service | IG |
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| Status | T |
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| Grant date | 2002-02-20 |
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| Expiration | 2012-02-27 |
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| Cancellation | 2004-06-10 |
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| Frequency range | 462.225 - 467.5 MHz (4 frequencies) |
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| Locations | 3 |
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| Representative location | SOUTH PORTLAND, CUMBERLAND, ME |
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| Coordinates | 43.6417500, -70.3275556 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:15:45 |
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Licensee
| Name | NATIONAL SEMICONDUCTOR |
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| Applicant type | C |
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| FRN | 0006392534 |
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| Location | SOUTH PORTLAND, ME |
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| Address | 333 WESTERN AVE MAIL STOP 21-01, SOUTH PORTLAND, ME, 04106 |
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| Phone | 2077616421 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 462.22500000 | | | 20.000000 | 30.000000 | |
| 3 | 1 | MO | 462.22500000 | | | 4.000000 | | |
| 1 | 1 | FB2 | 462.50000000 | | | 20.000000 | 30.000000 | |
| 3 | 1 | MO | 462.50000000 | | | 4.000000 | | |
| 2 | 1 | FX1 | 467.22500000 | | | 10.000000 | | |
| 3 | 1 | MO | 467.22500000 | | | 4.000000 | | |
| 2 | 1 | FX1 | 467.50000000 | | | 10.000000 | | |
| 3 | 1 | MO | 467.50000000 | | | 4.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 462.22500000 | | 20K0F3E |
| 3 | 1 | 462.22500000 | | 20K0F3E |
| 1 | 1 | 462.50000000 | | 20K0F3E |
| 3 | 1 | 462.50000000 | | 20K0F3E |
| 2 | 1 | 467.22500000 | | 20K0F3E |
| 3 | 1 | 467.22500000 | | 20K0F3E |
| 2 | 1 | 467.50000000 | | 20K0F3E |
| 3 | 1 | 467.50000000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | WESTERN AVE, SOUTH PORTLAND, CUMBERLAND, ME | 43.64175000, -70.32755556 | 21.000 m | B | 29.000 m structure / 31.000 m overall | N |
| 2 | T | ME | | | | | |
| 3 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 31.000 m | | | | 27.000 | |
| 1 | 2 | T | | | | | | | |
| 1 | 3 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 333 WESTERN AVE, SOUTH PORTLAND, ME | | 2077616421 |
License history
| Date | File or call sign | Action |
|---|
| 2004-06-23 | WPKI300 | PNACT |
| 2004-06-10 | WPKI300 | LITERM |
| 2004-06-10 | WPKI300 | LETACS |
| 2002-02-20 | WPKI300 | LIREN |
| 2001-12-03 | WPKI300 | LETRES |
| 2000-11-24 | WPKI300 | LICCNV |
| 1997-02-27 | WPKI300 | AUTHPR |
| 1997-02-27 | WPKI300 | LIISS |
| WPKI300 | AUDCAN |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1908780 | 2026-08-02 01:15:45 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WPKI300 | ULS 1908780 | 2026-08-02 01:15:45 |
| Status | T | ULS 1908780 | 2026-08-02 01:15:45 |
| Service | IG | ULS 1908780 | 2026-08-02 01:15:45 |
| Grant Date | 2002-02-20 | ULS 1908780 | 2026-08-02 01:15:45 |
| Expiration Date | 2012-02-27 | ULS 1908780 | 2026-08-02 01:15:45 |
| Cancellation Date | 2004-06-10 | ULS 1908780 | 2026-08-02 01:15:45 |