| | ORDERING PERIOD THREE IONOSPHERIC SOUNDER KIT | LOWELL DIGISONDE INTERNATIONAL, LLC | $327,291 | DEPT OF THE ARMY | DEPT OF THE ARMY | — | 334511Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing | 5840RADAR EQUIPMENT, EXCEPT AIRBORNE | Aug 31, 2023 | Aug 31, 2023 | Jul 10, 2024 |
| | MINIMUM IDIQ PURCHASE, 1 SOUNDER KIT | LOWELL DIGISONDE INTERNATIONAL, LLC | $285,869 | DEPT OF THE ARMY | DEPT OF THE ARMY | — | 334511Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing | 5840RADAR EQUIPMENT, EXCEPT AIRBORNE | Feb 18, 2021 | Feb 18, 2021 | Jul 15, 2021 |
| | A CUBESAT BASED SYSTEM FOR TOPSIDE IONOSPHERIC SOUNDING | LOWELL DIGISONDE INTERNATIONAL, LLC | $124,167 | NATIONAL AERONAUTICS AND SPACE ADMINISTRATION | NATIONAL AERONAUTICS AND SPACE ADMINISTRATION | — | 541715Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) | AR11SPACE R&D SERVICES; SPACE FLIGHT, RESEARCH AND SUPPORTING ACTIVITIES; BASIC RESEARCH | Aug 6, 2020 | Aug 31, 2020 | Mar 1, 2021 |
| | IONOSPHERIC SOUNDER KIT | LOWELL DIGISONDE INTERNATIONAL, LLC | $278,975 | DEPT OF THE ARMY | DEPT OF THE ARMY | — | 334511Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing | 5840RADAR EQUIPMENT, EXCEPT AIRBORNE | Feb 11, 2020 | Feb 11, 2020 | Jun 11, 2020 |
| | QUAD RECEIVER DIGISONDE PORTABLE SOUNDER | LOWELL DIGISONDE INTERNATIONAL, LLC | $476,992 | DEPT OF THE AIR FORCE | DEPT OF THE AIR FORCE | — | 334511Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing | 5840RADAR EQUIPMENT, EXCEPT AIRBORNE | Sep 27, 2019 | Sep 27, 2019 | Feb 26, 2021 |
| | IGF::OT::IGF LOWELL OBLIQUE-IONOGRAM AUTOSCALER | LOWELL DIGISONDE INTERNATIONAL, LLC | $737,334 | DEFENSE CONTRACT MANAGEMENT AGENCY (DCMA) | DEPT OF THE AIR FORCE | — | 541712 | AC22NATIONAL DEFENSE R&D SERVICES; ATOMIC ENERGY DEFENSE ACTIVITIES; APPLIED RESEARCH | Feb 14, 2017 | Feb 15, 2017 | May 15, 2019 |
| | LDI SPARE PARTS | LOWELL DIGISONDE INTERNATIONAL, LLC | $26,571 | DEPT OF THE AIR FORCE | DEPT OF THE AIR FORCE | — | 334511Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing | 6640LABORATORY EQUIPMENT AND SUPPLIES | Feb 3, 2017 | Feb 2, 2017 | May 25, 2017 |
| | QUAD RECEIVER DIGISONDE PORTABLE SOUNDER | LOWELL DIGISONDE INTERNATIONAL, LLC | $192,089 | DEPT OF THE AIR FORCE | DEPT OF THE AIR FORCE | — | 334511Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing | 6650OPTICAL INSTRUMENTS, TEST EQUIPMENT, COMPONENTS AND ACCESSORIES | Feb 22, 2016 | Feb 17, 2016 | Mar 25, 2016 |
| | IGF::OT::IGF:: "LOWELL OBLIQUE-IONOGRAM AUTOSCALER" | LOWELL DIGISONDE INTERNATIONAL, LLC | $149,970 | DEPT OF THE AIR FORCE | DEPT OF THE AIR FORCE | — | 541712 | AC21NATIONAL DEFENSE R&D SERVICES; ATOMIC ENERGY DEFENSE ACTIVITIES; BASIC RESEARCH | Jun 2, 2015 | Jul 10, 2015 | Apr 11, 2016 |
| | QUAD RECIEVER DIGISONDE PORTABLE SOUNDER 4D,4 RECEIVING TURNSTILE LOOP ANTENNAS, 4 POLARIZATION SWTICHES/PREAMPLIFIERS,SET OF CRITICAL SPARES, EQUIPMENT PACKAGING AND MARKING FOR EXPORT | LOWELL DIGISONDE INTERNATIONAL, LLC | $200,000 | DEPT OF THE AIR FORCE | DEPT OF THE AIR FORCE | — | 334511Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing | 6650OPTICAL INSTRUMENTS, TEST EQUIPMENT, COMPONENTS AND ACCESSORIES | Apr 13, 2015 | Apr 13, 2015 | Jun 15, 2015 |
| | IGF::OT::IGF REAL TIME EDP AND TID SPECIFICATION RETID; | LOWELL DIGISONDE INTERNATIONAL, LLC | $747,764 | DEFENSE CONTRACT MANAGEMENT AGENCY (DCMA) | DEPT OF THE AIR FORCE | — | 541712 | AC21NATIONAL DEFENSE R&D SERVICES; ATOMIC ENERGY DEFENSE ACTIVITIES; BASIC RESEARCH | Aug 5, 2014 | Aug 5, 2014 | Nov 7, 2016 |
| | UPGRADE THE DIGITAL PORTABLE SOUNDER DPS | LOWELL DIGISONDE INTERNATIONAL, LLC | $174,012 | DEPT OF THE AIR FORCE | DEPT OF THE AIR FORCE | — | 334511Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing | 5895MISCELLANEOUS COMMUNICATION EQUIPMENT | Mar 31, 2014 | Mar 31, 2014 | Sep 30, 2014 |
| | IGF::OT::IGF DOUBLE-PROBE&TOPSIDE-IONOSPHERE-SOUNDER DPTIS | LOWELL DIGISONDE INTERNATIONAL, LLC | $823,733 | DEFENSE CONTRACT MANAGEMENT AGENCY (DCMA) | DEPT OF THE AIR FORCE | — | 541712 | AZ11 | Oct 18, 2013 | Oct 18, 2013 | Apr 19, 2016 |
| | IGF::OT::IGF SBIR 1- RAPID EDP AND TID SPECIFICATIONS FOR OTHR APPLICATIONS | LOWELL DIGISONDE INTERNATIONAL, LLC | $149,391 | DEPT OF THE AIR FORCE | DEPT OF THE AIR FORCE | — | 541712 | AC21NATIONAL DEFENSE R&D SERVICES; ATOMIC ENERGY DEFENSE ACTIVITIES; BASIC RESEARCH | Sep 6, 2013 | Sep 6, 2013 | Jun 13, 2014 |
| | A SMALL SATELLITE-BASED SYSTEM FOR ACTIVE AND PASSIVE SOUNDING OF THE IONOSPHERE, DIRECT CURRENT (DC) THROUGH HIGH FREQU | LOWELL DIGISONDE INTERNATIONAL, LLC | $149,191 | DEPT OF THE AIR FORCE | DEPT OF THE AIR FORCE | — | 541712 | AC21NATIONAL DEFENSE R&D SERVICES; ATOMIC ENERGY DEFENSE ACTIVITIES; BASIC RESEARCH | Jul 17, 2012 | Jul 17, 2012 | Apr 17, 2013 |
| | LDI DIGISONDE EXTENDED WARRANTY | LOWELL DIGISONDE INTERNATIONAL, LLC | $5,950 | DEPT OF THE AIR FORCE | DEPT OF THE AIR FORCE | — | 334511Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing | 6695COMBINATION AND MISCELLANEOUS INSTRUMENTS | May 17, 2012 | May 18, 2012 | Apr 12, 2013 |
| | UPGRADE DIGITAL PORTABLE SOUNDER | LOWELL DIGISONDE INTERNATIONAL, LLC | $70,900 | DEPT OF THE AIR FORCE | DEPT OF THE AIR FORCE | — | 334511Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing | 5895MISCELLANEOUS COMMUNICATION EQUIPMENT | Mar 30, 2012 | Mar 30, 2012 | Oct 1, 2012 |
| | SPARE PARTS FOR THE HAARP DIGISONDE IN GAKONA, AK. | LOWELL DIGISONDE INTERNATIONAL, LLC | $19,471 | DEPT OF THE AIR FORCE | DEPT OF THE AIR FORCE | — | 334511Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing | 6650OPTICAL INSTRUMENTS, TEST EQUIPMENT, COMPONENTS AND ACCESSORIES | Mar 21, 2011 | Mar 21, 2011 | Sep 21, 2011 |
| | QUAD RECEIVER DIGISONDE PORTABLE SOUNDER | LOWELL DIGISONDE INTERNATIONAL, LLC | $221,756 | DEPT OF THE AIR FORCE | DEPT OF THE AIR FORCE | — | 334511Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing | 6640LABORATORY EQUIPMENT AND SUPPLIES | Oct 7, 2010 | Oct 7, 2010 | May 25, 2012 |