Uploaded February 2025 | Updated September 2026, 1 hour ago
A radio revolution began in 1924 when RCA began selling superheterodyne broadcast receivers to the general public. After RCA’s monopoly of superhet licenses ended in 1930, in the next decade the adoption rate of superhet circuitry in new high frequency communication receivers surpassed all previous technologies. National's AGS ("Aeronautical Ground Station”) receiver helped lead the way in the communication receiver space and set the bar high in terms of craftsmanship and performance.
AWA Member Brian Harrison, KN4R, has extensively researched the history of aircraft radio communication and products from the National Radio Company.
Help us preserve the history of electronic communications by becoming a member of the Antique Wireless Association at: antiquewireless.org/homepage/join-or-renew-membership
Subscribe to the Antique Wireless Museum channel and you'll receive news of our latest video uploads.
A radio revolution began in 1924 when RCA began selling superheterodyne broadcast receivers to the general public. After RCA’s monopoly of superhet licenses ended in 1930, in the next decade the adoption rate of superhet circuitry in new high frequency communication receivers surpassed all previous technologies. National's AGS ("Aeronautical Ground Station”) receiver helped lead the way in the communication receiver space and set the bar high in terms of craftsmanship and performance.
AWA Member Brian Harrison, KN4R, has extensively researched the history of aircraft radio communication and products from the National Radio Company.
Help us preserve the history of electronic communications by becoming a member of the Antique Wireless Association at: antiquewireless.org/homepage/join-or-renew-membership
Subscribe to the Antique Wireless Museum channel and you'll receive news of our latest video uploads.
