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A person's base can be modest or luxurious, depending on their circumstances.
Find a rural area with good electromagnetic conditions, rent a local house, and set up a 750V, 100W radio for remote access. It works fine without any problems.
If budget isn't a concern, renting a few acres of land and erecting several XX-meter tall towers with multiple Yagi antennas would be feasible. A FLEX antenna could serve as the main antenna, complemented by a 1000W amplifier; this setup wouldn't be ineffective.