Universal Licensing System
WQHG690
Teradyne, Inc.
License details
| ULS identifier | 2931641 |
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| Call sign | WQHG690 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 2007-07-24 |
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| Expiration | 2017-07-24 |
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| Cancellation | 2017-09-23 |
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| Frequency range | 451.825 - 457.975 MHz (7 frequencies) |
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| Locations | 3 |
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| Representative location | North Reading, MIDDLESEX, MA |
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| Coordinates | 42.5547222, -71.1325000 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:18:27 |
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Licensee
| Name | Teradyne, Inc. |
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| Applicant type | C |
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| FRN | 0016654782 |
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| Location | North Reading, MA |
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| Address | 600 Riverpark Drive, North Reading, MA, 01864 |
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| Phone | 9783701541 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 3 | 1 | MO | 451.82500000 | | | 5.000000 | 5.000000 | |
| 3 | 1 | MO | 452.15000000 | | | 5.000000 | 5.000000 | |
| 3 | 1 | MO | 452.85000000 | | | 5.000000 | 5.000000 | |
| 1 | 1 | FB2 | 452.97500000 | | | 50.000000 | 50.000000 | |
| 2 | 1 | MO | 452.97500000 | | | 5.000000 | 5.000000 | |
| 3 | 1 | MO | 457.15000000 | | | 5.000000 | 5.000000 | |
| 3 | 1 | MO | 457.85000000 | | | 5.000000 | 5.000000 | |
| 2 | 1 | MO | 457.97500000 | | | 5.000000 | 5.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 3 | 1 | 451.82500000 | | 11K2F3E |
| 3 | 1 | 452.15000000 | | 11K2F3E |
| 3 | 1 | 452.85000000 | | 11K2F3E |
| 1 | 1 | 452.97500000 | | 11K2F3E |
| 2 | 1 | 452.97500000 | | 11K2F3E |
| 3 | 1 | 457.15000000 | | 11K2F3E |
| 3 | 1 | 457.85000000 | | 11K2F3E |
| 2 | 1 | 457.97500000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 600 Riverpark Drive, North Reading, MIDDLESEX, MA | 42.55472222, -71.13250000 | 27.000 m | BANT | 9.100 m structure / 9.500 m overall | |
| 2 | T | | | | | | |
| 3 | T | North Reading, MIDDLESEX, MA | 42.55472222, -71.13250000 | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | | | 9.500 m | V | | 359.0000 | 0.700 | |
| 1 | 2 | | | | | | | | |
| 1 | 3 | | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 600 Riverpark Drive, North Reading, MA | MIDDLESEX | 9783701920 |
License history
| Date | File or call sign | Action |
|---|
| 2017-09-23 | WQHG690 | LIEXP |
| 2017-05-01 | WQHG690 | LETRES |
| 2010-08-05 | WQHG690 | LIMOD |
| 2010-07-15 | WQHG690 | LIAUA |
| 2010-07-14 | WQHG690 | ESCAPR |
| 2008-04-22 | WQHG690 | LETCNS |
| 2007-07-24 | WQHG690 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 2931641 | 2026-08-02 01:18:27 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WQHG690 | ULS 2931641 | 2026-08-02 01:18:27 |
| Status | E | ULS 2931641 | 2026-08-02 01:18:27 |
| Service | IG | ULS 2931641 | 2026-08-02 01:18:27 |
| Grant Date | 2007-07-24 | ULS 2931641 | 2026-08-02 01:18:27 |
| Expiration Date | 2017-07-24 | ULS 2931641 | 2026-08-02 01:18:27 |
| Cancellation Date | 2017-09-23 | ULS 2931641 | 2026-08-02 01:18:27 |