Universal Licensing System
WROI454
AMG Technology Investment Group, LLC
License details
| ULS identifier | 4512928 |
|---|
| Call sign | WROI454 |
|---|
| Radio service | CF |
|---|
| Status | C |
|---|
| Grant date | 2021-10-19 |
|---|
| Expiration | 2031-10-19 |
|---|
| Cancellation | 2022-04-20 |
|---|
| Frequency range | 11405 - 17820 MHz (3 frequencies) |
|---|
| Locations | 4 |
|---|
| Representative location | Silver City, MILLS, IA |
|---|
| Coordinates | 41.0725278, -95.6322778 |
|---|
| Source archive | l_micro.zip |
|---|
| Dataset refreshed | 2026-08-02 02:43:58 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 11405.00000000 | | | | | |
| 1 | 1 | FXO | 11405.00000000 | | | | | |
| 1 | 1 | FXO | 11405.00000000 | | | | | |
| 1 | 1 | FXO | 11405.00000000 | | | | | |
| 1 | 1 | FXO | 11405.00000000 | | | | | |
| 1 | 1 | FXO | 11405.00000000 | | | | | |
| 1 | 1 | FXO | 11405.00000000 | | | | | |
| 1 | 1 | FXO | 11405.00000000 | | | | | |
| 1 | 1 | FXO | 11405.00000000 | | | | | |
| 1 | 1 | FXO | 11405.00000000 | | | | | |
| 1 | 2 | FXO | 11485.00000000 | | | | | |
| 1 | 2 | FXO | 11485.00000000 | | | | | |
| 1 | 2 | FXO | 11485.00000000 | | | | | |
| 1 | 2 | FXO | 11485.00000000 | | | | | |
| 1 | 2 | FXO | 11485.00000000 | | | | | |
| 1 | 2 | FXO | 11485.00000000 | | | | | |
| 1 | 2 | FXO | 11485.00000000 | | | | | |
| 1 | 2 | FXO | 11485.00000000 | | | | | |
| 1 | 2 | FXO | 11485.00000000 | | | | | |
| 1 | 2 | FXO | 11485.00000000 | | | | | |
| 1 | 3 | FXO | 17820.00000000 | | | | | |
| 1 | 3 | FXO | 17820.00000000 | | | | | |
| 1 | 3 | FXO | 17820.00000000 | | | | | |
| 1 | 3 | FXO | 17820.00000000 | | | | | |
| 1 | 3 | FXO | 17820.00000000 | | | | | |
| 1 | 3 | FXO | 17820.00000000 | | | | | |
| 1 | 3 | FXO | 17820.00000000 | | | | | |
| 1 | 3 | FXO | 17820.00000000 | | | | | |
| 1 | 3 | FXO | 17820.00000000 | | | | | |
| 1 | 3 | FXO | 17820.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 11405.00000000 | | 80M0D7W |
| 1 | 1 | 11405.00000000 | | 80M0D7W |
| 1 | 1 | 11405.00000000 | | 80M0D7W |
| 1 | 1 | 11405.00000000 | | 80M0D7W |
| 1 | 1 | 11405.00000000 | | 80M0D7W |
| 1 | 1 | 11405.00000000 | | 80M0D7W |
| 1 | 1 | 11405.00000000 | | 80M0D7W |
| 1 | 1 | 11405.00000000 | | 80M0D7W |
| 1 | 1 | 11405.00000000 | | 80M0D7W |
| 1 | 1 | 11405.00000000 | | 80M0G7W |
| 1 | 2 | 11485.00000000 | | 80M0D7W |
| 1 | 2 | 11485.00000000 | | 80M0D7W |
| 1 | 2 | 11485.00000000 | | 80M0D7W |
| 1 | 2 | 11485.00000000 | | 80M0D7W |
| 1 | 2 | 11485.00000000 | | 80M0D7W |
| 1 | 2 | 11485.00000000 | | 80M0D7W |
| 1 | 2 | 11485.00000000 | | 80M0D7W |
| 1 | 2 | 11485.00000000 | | 80M0D7W |
| 1 | 2 | 11485.00000000 | | 80M0D7W |
| 1 | 2 | 11485.00000000 | | 80M0G7W |
| 1 | 3 | 17820.00000000 | | 80M0D7W |
| 1 | 3 | 17820.00000000 | | 80M0D7W |
| 1 | 3 | 17820.00000000 | | 80M0D7W |
| 1 | 3 | 17820.00000000 | | 80M0D7W |
| 1 | 3 | 17820.00000000 | | 80M0D7W |
| 1 | 3 | 17820.00000000 | | 80M0D7W |
| 1 | 3 | 17820.00000000 | | 80M0D7W |
| 1 | 3 | 17820.00000000 | | 80M0D7W |
| 1 | 3 | 17820.00000000 | | 80M0D7W |
| 1 | 3 | 17820.00000000 | | 80M0G7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | Gaston Ave, Silver City, MILLS, IA | 41.07252778, -95.63227778 | 354.200 m | SILO | 28.000 m structure / 30.000 m overall | |
| 2 | R | | 41.04527778, -95.73111111 | 337.800 m | | | |
| 3 | R | | 41.02347222, -95.49425000 | 335.200 m | | | |
| 4 | R | | 41.11066667, -95.64325000 | 350.300 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | Commscope VHLP2-11WA | | S | 34.7000 | 250.0000 | | |
| 1 | 2 | R | Commscope VHLP2-11WA | | | 34.7000 | 0.0000 | | |
| 1 | 3 | R | Commscope VHLP2-11WA | | | 34.7000 | 0.0000 | | |
| 1 | 4 | R | Commscope VHLP1-18F | | | 34.6000 | 0.0000 | | |
| 2 | 1 | T | Commscope VHLP2-11WA | | S | 34.7000 | 115.1000 | | |
| 3 | 1 | T | Commscope VHLP1-18F | | S | 34.6000 | 347.7000 | | |
License history
| Date | File or call sign | Action |
|---|
| 2022-04-20 | WROI454 | LICAN |
| 2022-03-11 | WROI454 | LIAUA |
| 2021-10-19 | WROI454 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4512928 | 2026-08-02 02:43:58 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WROI454 | ULS 4512928 | 2026-08-02 02:43:58 |
| Status | C | ULS 4512928 | 2026-08-02 02:43:58 |
| Service | CF | ULS 4512928 | 2026-08-02 02:43:58 |
| Grant Date | 2021-10-19 | ULS 4512928 | 2026-08-02 02:43:58 |
| Expiration Date | 2031-10-19 | ULS 4512928 | 2026-08-02 02:43:58 |
| Cancellation Date | 2022-04-20 | ULS 4512928 | 2026-08-02 02:43:58 |