Universal Licensing System
WDD8
Aviation Spectrum Resources Inc
License details
| ULS identifier | 1974594 |
|---|
| Call sign | WDD8 |
|---|
| Radio service | AF |
|---|
| Status | A |
|---|
| Grant date | 2018-03-08 |
|---|
| Expiration | 2028-03-26 |
|---|
| Frequency range | 131.55 - 136.975 MHz (2 frequencies) |
|---|
| Locations | 1 |
|---|
| Representative location | HELENA, LEWIS AND CLARK, MT |
|---|
| Coordinates | 46.6100000, -111.9893611 |
|---|
| Source archive | l_coast.zip |
|---|
| Dataset refreshed | 2026-08-02 02:08:29 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FA | 131.55000000 | | | 25.000000 | | HL |
| 1 | 1 | FA | 136.97500000 | | | 25.000000 | | HL |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 131.55000000 | | 13K0A9W |
| 1 | 1 | 136.97500000 | | 14K0G1D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | HELENA AIRPORT, HELENA, LEWIS AND CLARK, MT | 46.61000000, -111.98936111 | 1169.000 m | BANT | 10.000 m structure / 11.000 m overall | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 11.000 m | | | 360.0000 | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 2551 RIVA RD, ANNAPOLIS, MD | ANNE ARUNDEL | 4102664034 |
License history
| Date | File or call sign | Action |
|---|
| 2021-07-28 | WDD8 | LIAUA |
| 2018-03-08 | WDD8 | LIREN |
| 2018-01-01 | WDD8 | LETRES |
| 2015-02-06 | WDD8 | LIAUA |
| 2015-02-05 | WDD8 | LIAUA |
| 2015-02-05 | WDD8 | ESUAPR |
| 2015-02-04 | WDD8 | ESUAPR |
| 2008-02-26 | WDD8 | LIREN |
| 2007-12-31 | WDD8 | LETRES |
| 2007-03-01 | WDD8 | AUTHPR |
| 2006-03-07 | WDD8 | AUTHPR |
| 2006-01-01 | WDD8 | LIASS |
| 2005-07-25 | WDD8 | ESCAPR |
| 2003-02-19 | WDD8 | LIREN |
| 2002-12-30 | WDD8 | LETRES |
| 2001-04-27 | WDD8 | LICCNV |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1974594 | 2026-08-02 02:08:29 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WDD8 | ULS 1974594 | 2026-08-02 02:08:29 |
| Status | A | ULS 1974594 | 2026-08-02 02:08:29 |
| Service | AF | ULS 1974594 | 2026-08-02 02:08:29 |
| Grant Date | 2018-03-08 | ULS 1974594 | 2026-08-02 02:08:29 |
| Expiration Date | 2028-03-26 | ULS 1974594 | 2026-08-02 02:08:29 |