The Federal Communications Commission (FCC) has granted a total of 33 licenses and call signs in the category of Ship Compulsory Equipped license in Dubuque, Iowa. Select a call sign from the table below to view its details such as the date of authorization, expiration date, service description, and so forth.
| Call Sign | License Holder Name | Date of Authorization |
|---|---|---|
| WCQ2783 | SPIRIT OF DUBUQUE INC | 2014-12-25 |
| WDA6976 | SPIRIT OF DUBUQUE INC | 2011-12-09 |
| WDF2929 | AGGREGATE MATERIALS CO. | 2009-12-09 |
| WDI8147 | American Lady Cruises | 2016-05-21 |
| WDJ6747 | Sunflower Enterprises | 2017-07-21 |
| WDJ6751 | Sunflower Enterprises | 2017-07-21 |
| WDJ6768 | Sunflower Enterprises | 2017-07-22 |
| WDJ6831 | Sunflower Enterprises | 2017-07-27 |
| WDJ6832 | Sunflower Enterprises | 2017-07-27 |
| WDK5494 | Sunflower Enterprises,LLC | 2018-11-08 |
| WDK5497 | Newt Marine Services LLC | 2018-11-08 |
| WDK5499 | Newt Marine Services LLC | 2018-11-08 |
| WDK5501 | Newt Marine Services LLC | 2018-11-08 |
| WDK5502 | Newt Marine Services LLC | 2018-11-08 |
| WDK5503 | Newt Marine Services LLC | 2018-11-08 |
| WDK5648 | sunflower Enterprises Inc LLC | 2018-11-20 |
| WDK5649 | Sunflower Enterprises Inc LLC | 2018-11-20 |
| WDK5650 | Sunflower Enterprises Inc LLC | 2018-11-20 |
| WDK5651 | Sunflower Enterprises Inc LLC | 2018-11-20 |
| WDK5652 | Sunflower Enterprises Inc LLC | 2018-11-20 |
| WDK5653 | Sunflower Enterprises Inc LLC | 2018-11-20 |
| WDK5655 | Sunflower Enterprises Inc LLC | 2018-11-20 |
| WDK5656 | Sunflower Enterprises Inc LLC | 2018-11-20 |
| WDK5657 | Sunflower Enterprises Inc LLC | 2018-11-20 |
| WDK5658 | Sunflower Enterprises Inc LLC | 2018-11-20 |
| WDK5660 | Sunflower Enterprises Inc LLC | 2018-11-20 |
| WDK5661 | Sunflower Enterprises Inc LLC | 2018-11-20 |
| WDK5662 | Sunflower Enterprises Inc LLC | 2018-11-20 |
| WDK7136 | Sunflower Enterprises | 2019-03-14 |
| WDK7152 | NEWT MARINE SERVICE | 2019-03-15 |
| WDM4803 | Sunflower Enterprises INC 5 Jones St. Dubuque IA 52001 | 2021-07-14 |
| WDN3057 | Sunflower Enterprises INC 5 Jones Street Dubuque IA 52001 | 2022-07-16 |
| WDN7075 | Sunflower Enterprises Inc. | 2023-03-30 |
