Notes on the MP-1 Portable Antenna System

Purpose of this Site

About the MP-1

Modular / Components

Configurations

Short Vertical

Radials / Counterpoise / Ground

Efficiency

Operating Environment

Operation of the MP-1

Choices

Whip - length/adjustment

Loading coil position

Base section length

Base impedance matching coil

Base section & whip thickness

Wire(s) attached as whip extension/capacitance hat

Radials / Counterpoise - number, length, configuration

Setup & Adjustment

Mounting

Location

Radials / Counterpoise

Ground

RF on Feedline / Chokes / Feedline as Counterpoise

Reason for choke

Types of chokes

Using feedline as counterpoise

Patterns

Horizontal / Vertical

What affects the pattern - choices

Modeling of the MP-1

Experimentatal Results

Measurements

Recommendations

Further Work