The antenna mounting devices shown in the figure are antenna rotors that were widely used at the time. At that time, TV signals would sometimes come from different directions in relation to your home. So when you changed channels, you also had to change the direction in which the antenna was pointing. For this purpose, there were rotors that were remotely controlled, as advertised.
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0 sats \ 0 replies \ @Rothbardian_fanatic 6 Dec 2024
These were good for out in the country, where signals were coming in but you had to change the antenna if you wanted good reception. People did not like being stuck on one station with the others being all broken up.
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