Portable Radio Direction Finder for 90 to 7, 700 Kilocycles

Whilst the greatest effort has been made to ensure the quality of this text, due to the historical nature of this content, in some rare cases there may be minor issues with legibility. The receiving set used in this direction finder is a superheterodyne which employs a standard Signal Corps amplifier. The tuning con trols have been reduced to a single one by mounting the main tuning condenser and ...