Universal Licensing System
WPJP948
INTERLEAF INC
License details
| ULS identifier | 1739453 |
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| Call sign | WPJP948 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 1996-08-29 |
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| Expiration | 2001-08-29 |
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| Cancellation | 2001-10-29 |
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| Frequency range | 464.05 - 469.05 MHz (2 frequencies) |
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| Locations | 2 |
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| Representative location | WALTHAM, MIDDLESEX, MA |
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| Coordinates | 42.4948056, -71.2745000 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:28:56 |
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Licensee
| Name | INTERLEAF INC |
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| Applicant type | C |
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| Location | WALTHAM, MA |
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| Address | 62 FOURTH AVE, WALTHAM, MA, 02154 |
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| Phone | 6177681067 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
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| 1 | 1 | FB2 | 464.05000000 | | | 25.000000 | 50.000000 | |
| 2 | 1 | MO | 464.05000000 | | | 4.000000 | | |
| 2 | 1 | MO | 469.05000000 | | | 4.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 464.05000000 | | 20K0F3E |
| 2 | 1 | 464.05000000 | | 20K0F3E |
| 2 | 1 | 469.05000000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | 6 HILLSIDE AVE, WALTHAM, MIDDLESEX, MA | 42.49480556, -71.27450000 | 91.000 m | B | 21.000 m structure / 22.000 m overall | N |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
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| 1 | 1 | T | | 22.000 m | | | | 65.000 | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 62 FOURTH AVE, WALTHAM, MA | | 6177681067 |
License history
| Date | File or call sign | Action |
|---|
| 2001-10-29 | WPJP948 | LIEXP |
| 2001-09-21 | WPJP948 | LETAUS |
| 2001-06-04 | WPJP948 | LETRES |
| 2000-11-23 | WPJP948 | LICCNV |
| 1996-08-29 | WPJP948 | AUTHPR |
| 1996-08-29 | WPJP948 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1739453 | 2026-08-02 01:28:56 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WPJP948 | ULS 1739453 | 2026-08-02 01:28:56 |
| Status | E | ULS 1739453 | 2026-08-02 01:28:56 |
| Service | IG | ULS 1739453 | 2026-08-02 01:28:56 |
| Grant Date | 1996-08-29 | ULS 1739453 | 2026-08-02 01:28:56 |
| Expiration Date | 2001-08-29 | ULS 1739453 | 2026-08-02 01:28:56 |
| Cancellation Date | 2001-10-29 | ULS 1739453 | 2026-08-02 01:28:56 |