Collins SC-101 Station Control, Built by Collins Radio Company during the 1950s

“Righi Oscillator” spark-gap oscillator design developed by Italian physicist Augusto Righi in the late 19th century, notable for its use of four metal spheres arranged as a dipole resonator and antenna system. Righi Oscillator 1895 Working replica by Mario Del Rosario I6DRZ

I2GPG Antenna

Mobile Radio Broadcasting, circa 1928

SP2BUW Antenna

Around 1942, Paul Dow began manufacturing Morse bugs in Winnipeg, Manitoba, Canada. Paul Dow believed operators deserved something more comfortable and adjustable. His first major design became known as the “Bent Key,” a distinctive semi-automatic bug... whatsapp.com/channel/0029...

In 1956, radio astronomers at the United States Naval Research Laboratory, led by Cornell H. Mayer, aimed a radio telescope toward Venus and detected microwave emissions at a wavelength of 3.15 centimeters. The signals revealed something astonishing: whatsapp.com/channel/0029...

Van Nuys Junior High Amateur Radio Club, circa 1954

DL1FL Radio Station, circa 1969

PA3DZL Earth-Moon-Earth (EME) Antenna

G6YL Radio Station

PY5DC Antenna

Ipswich Scout Hall, circa 1962

Before voice, before continuous wave, there was the spark. The spark-gap transmitter was the very first practical radio transmitter—the raw, crackling beginning of wireless communication. Instead of producing a smooth signal like modern radios, it worked by generating... whatsapp.com/channel/0029...

Testing a row of mercury vapor tubes in a 15,000 volt 3-phase rectifier. General Electric Radio Station 1920s

DK6QI Antenna

JA1IAM – Home-built shack 1961

Antenna, Tagawa City in Fukuoka Prefecture, Japan

Haverfordwest Amateur Radio Society (H.A.R.S.)

SP3TYF Antenna

OK1JB Antenna

Italian inventor and engineer Marconi developed, demonstrated and marketed the first successful long distance wireless telegraph and in 1901 broadcast the first transatlantic radio signal, In 1909 he shared the Nobel Prize in Physics for his radio work. Guglielmo Marconi April 25, 1874 Juy 20, 1937

Since the 1960s, amateur radio operators have engineered and operated their own satellites, using orbital platforms to relay voice and data signals across the curved surface of the Earth—turning space itself into part of the station.

What Is Ham Radio Field Day For You? Community: Friends, clubs, and families gather outdoors Learning: Newcomers get hands-on experience Sharing: Knowledge passes from experienced operators to the next Preparedness: It shows how people can stay connected during emergencies

JA3FML Hamshack, circa 1963

JA2BAS Antenna

Hamid (Charlie) Durmisevich, call sign W6DQZ, built his life on a simple idea: voices traveling on invisible radio waves can connect people around the world. In doing so, he became part of something much bigger than himself...

Field Day 1953

Every year since 1925, World Amateur Radio Day has been celebrated on April 18, commemorating the formation of the International Amateur Radio Union (IARU) in Paris. Regardless of the volume of QSOs logged, your participation reaffirms your role in a distinguished community

R-388/URR Collins Radio receiver, mounted in its CY-1260/G military case and shown at the operating position, tuned to Trenton Military VOLMET on 15.035 MHz USB.

Dr, Sam Zuckerman, W7FT Hamshack. Cheyenne circa 1972

PA03MIL Field Operation

Early “homebrew” radio experimenter Mr. Walterio J. Cordo Station "789" In 1923, at a time when radio was still more experiment than industry, Cordo built and operated Station “789” in Saladillo, becoming the town’s first radio amateur.

The JRC (Japan Radio Company) KY-3A straight Morse key, built for stability and precision. Its metal base keeps it firmly in place during operation, and it comes equipped with a two-conductor cable terminated in a standard 1/4-inch phone plug.

Ham Radio Magazine, April 1981

DJ6ZM Antenna

Thomas Edison At The Telegraph Key

DL6KAI EME Antenna

Church Beam Harlange LX9UN

Jon Postel was instrumental in the development of packet radio and digital experimentation, which were crucial for the evolution of the Internet. In 1981, Postel made a remarkable decision: he assigned the entire 44.0.0.0/8 Class A network to amateur radio.

IZ4BZC Hamshack

SOS at Midnight by Walker A. Tompkins (1985) A high school senior uses his knowledge of ham radio to save his life and that of a friend, and to break up a ring of gangsters.

DF0UK, Amateur Radio Club of the University of Karlsruhe, KIT

JA1LNZ Antenna

Wireless Hill Museum. The Wireless Station was one of Australia’s first links with radio technology and was used for telecommunications during World War I and World War II. Using Morse Code, the Station communicated with ships off the Australian coast using a mast 112 metres tall.

Arthur A. Collins

In 1919, radio manufacturer Alfred H. Grebe installed one of the earliest known, if not the first, amateur radio stations in a motor car. To achieve sufficient signal radiation, Grebe utilized a 4-wire or 6-wire "flat-top" antenna stretched between two masts mounted on the vehicle.

XE1H EME Antenna

National Field Day, circa 1947

The Collins Discone Antenna at the Titan Missile Museum in Green Valley, Arizona