Figure 4-15 on page 4-34 of The "Documentation of Saturn Proram rf and telemtetry checkout procedures", NTIS accession no. N64-33193, 1963. NASA document no. NASW 410-30-13-10.
The NASA website hosts a large number of images from the Soviet/Russian space agency, and other non-American space agencies. These are not necessarily in the public domain.
The SOHO (ESA & NASA) joint project implies that all materials created by its probe are copyrighted and require permission for commercial non-educational use. [2]
Figure 4-15 on page 4-34 of The "Documentation of Saturn Proram rf and telemtetry checkout procedures", NTIS accession no. N64-33193, 1963. NASA document no. NASW 410-30-13-10.
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