NEXUS Change Log Amendment 04.pdf

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Attached to
Network Extension for User Continuity and Sustainability (NEXUS) Ka-Band Backward-Compatible Relay Broad Agency Announcement (BAA) NextSTEP-3 Appendix E - Final Solicitation
Solicitation number
SCAN-MSFC-0001
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This is Amendment 04 to solicitation 80MSFC26R0006, a procedural amendment that modifies the proposal submission deadline. The amendment updates two references within Appendix E of the previous amendment (Amendment 03) to extend the proposal deadline from July 21, 2026 to August 4, 2026 at 10:00 a.m. Central Time. Proposals must be submitted electronically through NASA's EFSS Box, and hard copies will not be accepted. All other terms and conditions of the original solicitation 80MSFC26R0006 remain unchanged. The amendment is formatted using PS60 form version 2020-03-03 and includes a change log matrix documenting the specific modifications made to the solicitation documents.

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80MSFC26R0006, Amendment 04

(PS60 Rev. 2020-03-03)

(a) Attachment A, CHANGE LOG, provides a From-To Matrix of changes made to the solicitation.

(b) All other terms and conditions of solicitation 80MSFC26R0006 remain unchanged.

80MSFC26R0006, Amendment 04

(PS60 Rev. 2020-03-03)

ATTACHMENT A – CHANGE LOG

Inde x RFP Reference From To

Appendix E, Amendment 03, Section 1.2 General Information for Participants

Fourth bullet of Section 1.2:

Proposal Submittals: Proposals must be submitted electronically through NASA’s EFSS Box no later than 10:00 a.m. Central Time (CT), July 21, 2026. Hard copies will not be accepted.

Fourth bullet of Section 1.2 revised:

Proposal Submittals: Proposals must be submitted electronically through NASA’s EFSS Box no later than 10:00 a.m. Central Time (CT), August 4, 2026. Hard copies will not be accepted.

Appendix E, Amendment 03, Section 4.2.1, Electronic Submission of Proposals – Proposal Marking and Delivery Through NASA’s EFSS Box

First sentence of the second paragraph:

Proposals must be received no later than 10:00 a.m. Central Time on July 21, 2026.

First sentence of the second paragraph revised:

Proposals must be received no later than 10:00 a.m.

Central Time on August 4, 2026.

ATTACHMENT A – Change Log

File details come from the government source that posted it. Updated .