| Location: | Federal |
|---|---|
| Posted: | Apr 9, 2026 |
| Due: | Jun 1, 2026 |
| Agency: | NATIONAL AERONAUTICS AND SPACE ADMINISTRATION |
| Type of Government: | Federal |
| Category: |
|
| Solicitation No: | 80GSFC26R0028 |
| Publication URL: | To access bid details, please log in. |
APEX Accelerators are an official government contracting resource for small businesses. Find your local APEX Accelerator (opens in new window) for free government expertise related to contract opportunities.
APEX Accelerators are funded in part through a cooperative agreement with the Department of Defense.
The APEX Accelerators program was formerly known as the Procurement Technical Assistance Program (opens in new window) (PTAP).
The National Aeronautics and Space Administration's Goddard Space Flight Center is pleased to release the Request for Proposal (RFP) for the Sounder for Microwave-Based Applications acquisition. This RFP replaces Draft RFP 80GSFC25R7005 issued on April 18, 2025 (including all amendments), in its entirety.
All attachments to this posting together constitute the complete RFP, including all instructions, restrictions, provisions, and contract clauses.
Amendment 1: The purpose of this amendment is to 1: Add Supply Chain Visibility Reporting; and 2. Correct the percentages in Attachment O - Milestone Payment Schedule. This amendment supersedes all affected areas in the RFP and previous amendments (if any). All other terms and conditions remain unchanged.
| Mar 31, 2026 | [Solicitation (Original)] Near Earth Orbit Network Program's Sounder for Microwave-Based Applications |
| Apr 16, 2026 | [Solicitation (Updated)] Near Earth Orbit Network Program's Sounder for Microwave-Based Applications |
| May 6, 2026 | [Solicitation (Updated)] Near Earth Orbit Network Program's Sounder for Microwave-Based Applications |
| May 7, 2026 | [Solicitation (Updated)] Near Earth Orbit Network Program's Sounder for Microwave-Based Applications |
| May 14, 2026 | [Solicitation (Updated)] Near Earth Orbit Network Program's Sounder for Microwave-Based Applications |

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