Tag " history"

Unique and rare Expedition Video of the Ukrainian Voroshilovgrad city Radio Clubs UK5MAA and UK5MAF. in ex USSR Georgian Republic. "CQ WWDX" Contest 1979. The Expedition was located near Tbilisi city (the Capital of the Georga) in about 1500 meters above sea level. Crew members: UF6HV, UB5EC, UY5LK, UB5MCD, UB5MDC, UB5MNM, UB5MBY, UB5MCS, UB5MDA, UB5UN, UB5MOA and others ... http://youtu.be/_vhW71Hp8CU No...


Continue Reading »

Photo by KC8IV Heathkit SB240 2kw amplifier. What! You say you never heard of a Heathkit SB240 amp. Well you and most of the ham radio operators around the world never heard of this amp, and there is a story behind it. This is a very, very, very, rare piece of Heathkit history. Photo by KC8IV First let us tell you about the amplifier and some of it's very unique features, that placed this...


Continue Reading »

Photo: Modified Russian home brew FULL CW QSK UW3DI-III HF Transceiver. Photo by UA3H The legendary and very famous HF transceiver was designed in the Soviet Union by Radio Amateur - Yuri Kudryavtsev (UW3DI) in 1968. The transceiver has been build on radio tubes. Latter his second version released on semiconductors (UW3DI-II). Since then the transceiver has been repeatedly replicated and improved...


Continue Reading »

http://youtu.be/hZuIxN-85js An international team of radio amateurs and scientists travels by schooner to remote and barren Howland Island and is stranded for a week due to high surf. A planned 9 day visit was extended to 15 days. Howland Island is best known as the destination of the ill fated final flight of Amelia Earhart and navigator Fred Noonan and is located near the intersection of the equator...


Continue Reading »

A century ago, one of the world’s first hackers used Morse code insults to disrupt a public demo of Marconi's wireless telegraph LATE one June afternoon in 1903 a hush fell across an expectant audience in the Royal Institution's celebrated lecture theatre in London. Before the crowd, the physicist John Ambrose Fleming was adjusting arcane apparatus as he prepared to demonstrate an emerging technological...


Continue Reading »

The station is WWJ in Detroit, a contemporary to KDKA as one of the country’s first radio stations. We are in the transmitter room in the Detroit News Building in early 1922. The broadcast studio is located in a separate room.Photo from the Detroit News Archives  The rig seen beyond the operator’s desk is actually the station’s second transmitter; it replaced a primitive DeForest 50 Watt transmitter...


Continue Reading »

Amateur radio has been a part of my life for several decades, as a faithful friend and a dominant hobby. Of course, there are many other interesting things out there. But it is different from any others because it not only sharpens your technical knowledge, but also gives you many reasons to join the Amateur radio community. One of such reasons is opportunity to meet other fellow amateurs from other...


Continue Reading »

From the Discovery Channel series "Rocket Science": Alan Bean describes the lightning strike that knocked out power on the second lunar NASA landing mission shortly after launch. (www.foolishearthling.com) httpvh://www.youtube.com/watch?v=ajOsHVK11Lw


Continue Reading »