Posted	Category
	Quantum Spectrum - a DSP option for SDRs and maybe ALL radios (someday) The Quantum Spectrum is an add-on DSP that provides real-time spectrum and waterfall display for any SDR providing IQ outputs.  This includes the Xiegu G90, uSDX, (tr)uSDX, mCHF, Elecraft, and more and a serial CAT connection allows the radio to be tuned via the touchscreen interface.   The 360x240 pixel color touchscreen can provide various tuning/display options and implements a L...  READ MORE	ranickels 03/11/2023	Ham Radio Information
	The 1859 Carrington Event On September 3, 1859 the Memphis Tennessee Daily Appeal noted a most startling event. “On Thursday night last, about 12 o clock, the heavens were suddenly lit up as with a half dozen moons.” The glow was so remarkable that people assumed it must be coming from a massive fire, and the paper reported that city fire bells were rung. But, the paper writes “When the truth revealed its...  READ MORE	ranickels 12/21/2022	Ham Radio Information
	Documentary features Montana Hams Student filmmakers from the University of Montana investigate the culture of Montana Amateur Radio Operators, or "hams", as they recount their admiration for the global Amateur Radio community.  As they say "This niche hobby has produced long-lasting friendships between radio enthusiasts around the globe, and has been a pastime of choice for much of their lives."CLICK HER...  READ MORE	ranickels 12/20/2022	Ham Radio Information
	Build a Digital Oscillator and Complete Tube Transmitter for AM -- The R.A.N. Transmitter Master homebrewer Jay Miller KK5IM describes his homebrew transmitter.    Major elements are the exciter which uses the RAN Technology 4-channel oscillator board, the 100 watt modulator with a pair of 811As, and a single 813 power amplifier.    Jay's exciter uses programmable oscillator chips and a board kit from Hayseed Hamfest to eliminate the need for quartz cr...  READ MORE	ranickels 11/21/2022	RAN Technology Product demos
	At the Connections Museum in Seattle the insane telephone technology that led to today's computers Fascinating rarely seen, fully functioning telephone exchange equipment, from the electro-mechanical 1900's to the all-computerized system of the 1970s. Next time you use a modern computer, give a thought to Bell Labs who invented the transistor and the Unix operating system, all driven by the need for better telecommunication technology, and Western Electric that built all these amazing devic...  READ MORE	ranickels 11/01/2022	History and Humor
	The Story of Heil Sound Rock and Roll Hall of Fame presentation How exactly did Ye Olde Music Shop in Marissa, IL become a centerpiece of the rock and roll universe?Heil Sound, founded by Bob Heil K9EID, has been a driving force behind professional sound reinforcement for 50 years, all because of Bob's ham radio background and unceasing drive to apply technology in ways it has never been applied before.Watch the whole story - you'll be surprised!...  READ MORE	ranickels 10/20/2022	History and Humor
	Earl "Madman" Muntz |Everyone with an interest in electronics has heard of "Madman" Muntz - the self-made milionaire entrepreneur who became famous for "Muntzing", where he was said to have components removed until a TV stopped working to eliminate "unnecessary" parts.    How much is legend and how much is factual is anyone's guess but there's no doubting the fact ...  READ MORE	ranickels 09/10/2022	History and Humor
	Scranton AT&T Long Lines Microwave Tower  Ever wonder what the view would be like from the top of one of those old microwave towers that used to dot the landscape?   Most have been removed, as they started becoming obsolete when the "pin drop" fiber optic cable and the internet did the same to the old cable and microwave phone network, but this one near Scranton PA remained long enough to be tagged by the grafitt...  READ MORE	ranickels 09/08/2022	History and Humor
	Recording - 50's style  Sound engineer Lincoln Grounds takes the viewer into Sugar Ray’s Vintage Recording Studio in the UK to find out why it’s still valid to record an entire band to tape, with one microphone.    He also shows the effect of adding more microphones and describes the characterists of various vintage microphones.   Most of the equipment used was made in America d...  READ MORE	ranickels 08/11/2022	History and Humor
	High Speed A/D Conversion in 1965, with a Vacuum Tube! A short video about an amazing piece of technology that became obsolete before it was even used - a 1965 vintage analog to digital converter - using vacuum tube technology!...  READ MORE	ranickels 06/07/2022	History and Humor