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Is the Winegard HD7697 still the best choice for me or would a 4bay or 8bay be preferred?
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Yes, the 7697 covers VHF-High (real channels 7-13) and UHF (real channels 14-51). The 4-bay and 8-bay antennas are for UHF only, so they wouldn't do well for 8 and 10.
An antenna designed for UHF can pick up VHF channels IF are very strong and LOS, but I don't consider ABC and PBS in that category.
If the antenna is outside, the coax shield should be grounded with a grounding block that is connected to the house electrical system ground with 10 gauge copper wire for electrical safety and to reject interference. For further compliance with the electrical code (NEC), the mast should also be grounded in a similar manner to drain any buildup of static charge, but the system will not survive a direct strike.
