National Radio's 50th Anniversary Album

The current version of the long line of HRO receivers -- the 50Kc to 54Mc double conversion HRO-60. Standard equipment is every electronics laboratory in the country because of its enormous frequency range, low noise, and absence of spurious signals or images. Take another look at the 1934 HRO "Senior" -- There aren't many such designs with a 30 year life!

Over ten years ago, National's AM-FM Criterion tuner (shown in rack model monitoring version) incorporated a number of firsts -- a drift-free oscillator that eliminated the need for AFC ... FM squelch ... The first binaural tuning [stereo with one channel on the FM band and the other on the AM band] ... The first wide band detector.

National's famous AN/MRC-80 is a tactical, transportable, self-contained two-way tropospheric scatter facility for radio-telephone, CW, or teletype. The MRC-80 is used by the U.S. Army for reliable field communications when terrain or military considerations do ot permit telphone links.

National's "Dream Receiver", the NC-300, was probably the fastest selling deluxe amateur receiver ever manufactured. Double conversion, the NC-300 covered all ham bands from 160 through 10 meters, with separate slide rule dial scales and converters for the 6, 2, and 1 1/4 meter bands.

Next Page

Previous Page

Table of Contents