Alaskan Home-Made Set Hears 2YA

Radio Record, Volume I, Issue 13, 14 October 1927, Page 12

Alaskan Home-Made Set Hears 2YA

These pictures illustrate the set built by a constructor in Alaska, with which he has heard both Australia and 2YA Wellington. The correspondent states that he receives Australia very consistently. The set is known as the Infradyne Circuit which has an oscillator valve, two stages of HF amplification, the first detector or "mixer," then three stages of intermediate amplification of 86 metres. The second detector and two

sateen stages of audio-frequency. The overall amplification is pretty high, and can be relied upon at all times for loudspeaker reception. The poles in the general view are his antennae. poles, which are 65ft. tall, with 100ft. between. The lead-in is 30 ft. He also has a counterpoise as aerial, but docs not use it very much, as he prefers the ground or earth.