Universal Licensing System
KDO435
INSTANT SIGNAL & ALARM CO INC
License details
| ULS identifier | 1608823 |
|---|
| Call sign | KDO435 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2024-10-04 |
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| Expiration | 2034-12-08 |
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| Frequency range | 460.975 MHz |
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| Locations | 1 |
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| Representative location | SALEM, ESSEX, MA |
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| Coordinates | 42.5028611, -70.9245000 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-09 02:53:31 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB | 460.97500000 | | | 60.000000 | | |
| 1 | 1 | FB2 | 460.97500000 | | | 60.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 460.97500000 | | 11K2F3E |
| 1 | 1 | 460.97500000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 303 HIGHLAND AVE, SALEM, ESSEX, MA | 42.50286111, -70.92450000 | 46.000 m | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 46.000 m | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 303 HIGHLAND AVE, SALEM, MA | | 6174264205 |
License history
| Date | File or call sign | Action |
|---|
| 2024-10-04 | KDO435 | LIREN |
| 2014-10-02 | KDO435 | LIREN |
| 2014-09-29 | KDO435 | LTSAPR |
| 2014-09-15 | KDO435 | LETRES |
| 2011-06-02 | KDO435 | LIMOD |
| 2011-04-27 | KDO435 | LTSAPR |
| 2004-12-08 | KDO435 | LIREN |
| 2004-12-03 | KDO435 | LTSAPR |
| 2004-09-13 | KDO435 | LETRES |
| 2001-12-06 | KDO435 | AUDOPR |
| 2000-11-22 | KDO435 | LICCNV |
| 1999-12-09 | KDO435 | AUTHPR |
| 1999-12-09 | KDO435 | LIREN |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1608823 | 2026-08-09 02:53:31 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KDO435 | ULS 1608823 | 2026-08-09 02:53:31 |
| Status | A | ULS 1608823 | 2026-08-09 02:53:31 |
| Service | IG | ULS 1608823 | 2026-08-09 02:53:31 |
| Grant Date | 2024-10-04 | ULS 1608823 | 2026-08-09 02:53:31 |
| Expiration Date | 2034-12-08 | ULS 1608823 | 2026-08-09 02:53:31 |