This is based on the Motorola EB104 bulletin:
EB104 amplifier board ordered from Communications Concepts, including 4x MRF150
Omron 12V Relays ordered from Ebay – used for TR switching and filter selection
Toroids and accessories orderd from Amidon
Large heatsink gotten from my father, TF3T
1200VA toroid transformer was bought in my trip to Shanghai – loong story there!
Going to [...]