The Hy‑Gain 18A VQII five‑band vertical antenna instruction manual provides assembly, installation, radial system and tuning guidance.
The Hy‑Gain 18A VQII is an omni‑directional vertical radiator that operates on the 10, 15, 20, 40 and 80 meter amateur bands. It uses heavy‑duty Hy‑Q traps for automatic band selection and is supplied with stainless‑steel hardware.
This manual covers site selection, grounding, radial system design, step‑by‑step assembly of the tubing sections and traps, loading‑coil installation, mounting options (ground, roof or mast), wiring, final tuning with an SWR meter and safety precautions.