Universal Licensing System
WPMF939
3COM CORPORATION
License details
| ULS identifier | 1793713 |
|---|
| Call sign | WPMF939 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 1998-07-10 |
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| Expiration | 2003-07-10 |
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| Cancellation | 2003-09-14 |
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| Frequency range | 464.5 - 464.55 MHz (2 frequencies) |
|---|
| Locations | 1 |
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| Representative location | US |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:13:08 |
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Licensee
| Name | 3COM CORPORATION |
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| Applicant type | C |
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| FRN | 0001533298 |
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| Location | BOXBORO, MA |
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| Address | 80 CENTRAL ST, BOXBORO, MA, 01719 |
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| Phone | 9782641400 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | MOI | 464.50000000 | | | 4.000000 | | |
| 1 | 1 | MOI | 464.55000000 | | | 4.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 464.50000000 | | 20K0F3E |
| 1 | 1 | 464.55000000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | US | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | | | 9782641400 |
License history
| Date | File or call sign | Action |
|---|
| 2003-09-14 | WPMF939 | LIEXP |
| 2003-04-14 | WPMF939 | LETRES |
| 2000-11-23 | WPMF939 | LICCNV |
| 1998-07-10 | WPMF939 | LIISS |
| 1998-07-10 | WPMF939 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1793713 | 2026-08-02 01:13:08 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPMF939 | ULS 1793713 | 2026-08-02 01:13:08 |
| Status | E | ULS 1793713 | 2026-08-02 01:13:08 |
| Service | IG | ULS 1793713 | 2026-08-02 01:13:08 |
| Grant Date | 1998-07-10 | ULS 1793713 | 2026-08-02 01:13:08 |
| Expiration Date | 2003-07-10 | ULS 1793713 | 2026-08-02 01:13:08 |
| Cancellation Date | 2003-09-14 | ULS 1793713 | 2026-08-02 01:13:08 |