We had UHF-equipped sets in Spain in 1963 (I'm looking at one right now) though according to the official history of TVE, they didn't start broadcasting on the UHF band until 1966 with the introduction of TVE2. I cannot believe they were building and selling UHF-equipped sets with nothing to receive for three years before the TVE2 launch, so maybe there is some discrepancy in the history.
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