Universal Licensing System
WQDF648
HEWLETT PACKARD COMPANY
License details
| ULS identifier | 2740864 |
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| Call sign | WQDF648 |
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| Radio service | IG |
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| Status | C |
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| Grant date | 2005-08-12 |
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| Expiration | 2015-08-12 |
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| Cancellation | 2012-08-03 |
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| Frequency range | 462.225 - 467.3 MHz (4 frequencies) |
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| Locations | 4 |
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| Representative location | LITTLETON, MIDDLESEX, MA |
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| Coordinates | 42.5469444, -71.4736111 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:25:57 |
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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 | | | 25.000000 | 50.000000 | |
| 3 | 1 | MO | 462.22500000 | | | 25.000000 | 25.000000 | |
| 1 | 1 | FB2 | 462.30000000 | | | 25.000000 | 50.000000 | |
| 2 | 1 | FB2 | 462.30000000 | | | 25.000000 | 50.000000 | |
| 3 | 1 | MO | 462.30000000 | | | 25.000000 | 25.000000 | |
| 3 | 1 | MO | 467.22500000 | | | 25.000000 | 25.000000 | |
| 4 | 1 | FX1 | 467.22500000 | | | 25.000000 | 25.000000 | |
| 3 | 1 | MO | 467.30000000 | | | 25.000000 | 25.000000 | |
| 4 | 1 | FX1 | 467.30000000 | | | 25.000000 | 25.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 462.22500000 | | 20K0F3E |
| 3 | 1 | 462.22500000 | | 20K0F3E |
| 1 | 1 | 462.30000000 | | 20K0F3E |
| 2 | 1 | 462.30000000 | | 20K0F3E |
| 3 | 1 | 462.30000000 | | 20K0F3E |
| 3 | 1 | 467.22500000 | | 20K0F3E |
| 4 | 1 | 467.22500000 | | 20K0F3E |
| 3 | 1 | 467.30000000 | | 20K0F3E |
| 4 | 1 | 467.30000000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 550 KING STREET, LITTLETON, MIDDLESEX, MA | 42.54694444, -71.47361111 | 82.000 m | BANT | 17.000 m structure / 17.000 m overall | |
| 2 | T | 153 TAYLOR ST., LITTLETON, MIDDLESEX, MA | 42.51555556, -71.51027778 | 101.000 m | BANT | 9.000 m structure / 9.000 m overall | |
| 3 | T | | | | | | |
| 4 | T | MIDDLESEX, MA | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | | | 17.000 m | | | | 25.300 | |
| 1 | 2 | | | 9.000 m | | | | 28.300 | |
| 1 | 3 | | | | | | | | |
| 1 | 4 | | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 550 KING ST., LITTLETON, MA | MIDDLESEX | 9785063070 |
License history
| Date | File or call sign | Action |
|---|
| 2012-08-06 | WQDF648 | LTSAPR |
| 2012-08-04 | WQDF648 | LICAN |
| 2006-10-02 | WQDF648 | COR |
| 2006-09-20 | WQDF648 | PNLISR |
| 2006-09-20 | WQDF648 | LETTRS |
| 2006-05-15 | WQDF648 | LETCNS |
| 2005-08-12 | WQDF648 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 2740864 | 2026-08-02 01:25:57 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WQDF648 | ULS 2740864 | 2026-08-02 01:25:57 |
| Status | C | ULS 2740864 | 2026-08-02 01:25:57 |
| Service | IG | ULS 2740864 | 2026-08-02 01:25:57 |
| Grant Date | 2005-08-12 | ULS 2740864 | 2026-08-02 01:25:57 |
| Expiration Date | 2015-08-12 | ULS 2740864 | 2026-08-02 01:25:57 |
| Cancellation Date | 2012-08-03 | ULS 2740864 | 2026-08-02 01:25:57 |