MFJ-3506, BOOK, FERROMAGNETIC-CORE DESIGN , APP. HANDBOOK Features_Lower Spacer Plate Hide the base by covering

Hide the base by covering it with grass

Adjusting 1 band has minimum effect on others

Feedpoint is an SO-239 pigtail

With four models to choose from

The MFJ-464 combines the latest millennium microprocessor technology with non-volatile EEPROM memory for a full featured

MFJ-3506, BOOK, FERROMAGNETIC-CORE DESIGN , APP. HANDBOOK Features_Lower Spacer Plate Hide the base by coveringIf you use inductors and transformers with magnetic cores, you need this book. By the late, legendary designer and amateur radio operator Doug DeMaw, W1FB. The only book that emphasizes practical aspects of magnetic cores, you need this book. By the late, legendary designer and amateur radio operator Doug DeMaw, W1FB. The only book that emphasizes practical aspects of magnetic core materials from low frequencies through UHF. In depth understanding of