Signal generators / RF

• HP 8656B (Synthesized Signal gen, 0.1 to 990MHz, repaired 2022/05/15, 1990?)
• HP 8568B Spectrum Analyzer 100Hz to 1.5GHz (1978 (A), 1985 (B))
• HP 8161A (100MHz pulse generator, needs repair, incomplete, 1981)
• HP 5304A Timer/Counter module (10MHz, 1971?)