Found: one unit, marked Collins Radio Co. 526-9098-00 RCA-A-8903610-1 Magnavox 327915-1 Bandpass Filter #1 (one side, other side labeled: Bandpass Filter #2 has selectivity specs marked for Fc=200 kHz What was it removed from? Of value to anyone here? Is this strictly LC components? Tnx -Hue