Simple antennas for the Hawaii Island Amateur Radio Operator--a continuing series
Have you ever thought of installing a small, portable HF rig and collapsable antenna in your vehicle for impromptu or emergency operations? During the past week, wet weather and sometimes marginal road conditions got me thinking about what HF radio system I would use should a traffic emergency arise where I couldn't get home or where cell phone coverage would be unusable. Along the Hamakua Coast of Hawaii Island, cell phone coverage is spotty and there are many areas inadequately served by this handy communications device. Geography plays a big role in limiting cell phone coverage, with mountain peaks and ridges often degrade the signal available. So, last week I decided to make a small upgrade in my mobile capability with the creation of a small, easily portable HF system to complement my bare-bones 2-meter capability (HT with mag-mount antenna on the rood of my van). I selected my old, trustworthy Yaesu FT-7 (10 watts output), a large marine, deep cycle batte...