DALEC instrument (3-channel above-water hyperspectral radiometer system)

NASA Shared Services Center is seeking the DALEC instrument, a 3-channel above-water hyperspectral radiometer system, through a presolicitation notice under solicitation number 80NSSC26935021Q. The procurement is designated as a sole-source acquisition under FAR 12.102(a), with In-situ Marine Optics identified as the sole provider of this specialized system. The instrument includes a sensor head, deck unit with a rechargeable Li-Ion battery, satellite compass mounted on a boom, a 20-meter sensor-to-deck cable, a 50-meter RJ45-equipped deck-to-PC cable, a passive gimbal with lock, and supporting PC operating and processing software. The system features approximately 10nm spectral resolution with 3.3nm spacing, and integrates GPS, compass, and auto-azimuth control capabilities. Performance will occur at NASA Goddard Space Flight Center in Greenbelt, Maryland, with delivery to Building 22, Room C197, and a lead time of 12 weeks after award. The NAICS code is 334519, and the acquisition follows FAR Part 12 procedures for commercial items. No pricing offers are to be submitted at this time; respondents are invited only to provide capabilities and qualifications by 4:00 p.m. Central Standard Time on June 17, 2026, to assist the government in confirming the sole-source justification. All communications must reference the solicitation ID in the subject line, and oral communications are prohibited. The government retains full discretion to determine whether the requirement will proceed as a sole-source award or be opened for competition based on responses received.