adriatic
Thanks for the reply.
Yes that makes it a mcirowave relay tower.
Finding burned out bulbs is often a problem especially the colored ones where seeing the filament is harder. I use multimeters all the time for testing bulbs, batteries etc. I have several mostly the cheap Harbor Freight ones in the house, shop, garage and train room. I even keep one in each car to check garage sale speakers for ohms and a burned out coils.
Charlie