ARS NB9M
 Hoosier AM Swapmeet 9/19/2020 - more info soon. Don't miss the Wes Schum tapes: 2.5 hours of amazing Central Electronics history. Click Audio above. 
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Posted: 02/15/2020
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 2020 Hoosier AM Swapmeet

RSVP Online for September 19 Date: September 19, 2020Time: 8AM – 3PMLocation: 7382 W 500 S, Morgantown, IN 46160Talk-In: 146.52 FM SimplexDoor Prize Awarded @2PM: Excellent Johnson Viking Ranger II w/PTT!STURGIS STYLE. THERE ARE NO INDOOR VENDOR OPTIONS. BRING TARPS, ETC IF IT LOOKS LIKE RAIN!The swapmeet will be at the QTH of NB9M, about 45 minutes southwest of Indianapolis in the country.You c...  READ MORE
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Posted: 08/12/2020
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Boeing 747s Still Use Floppy Disks to Get Critical Software Updates

- August 11, 2020It’s been approximately 12 million years since most of us last used a floppy disk, but apparently, the antiquated tech still plays a critical role in delivering software updates to Boeing’s 747-400 planes.The discovery comes courtesy of cybersecurity firm Pen Test Partners and was initially spotted by The Register. As part of this year’s virtual DE...  READ MORE
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Posted: 07/29/2020
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The Government Is Building an Unhackable Quantum Internet

A new report from the U.S. Department of Energy (DoE) lays out a road map to a secure quantum internet future.The report says quantum networking is closer to ready than more-hyped quantum computers.Notably, there are no real timeframes, just large hardware and implementation goals.The U.S. Department of Energy (DoE) has announced a plan to make a quantum internet it says i...  READ MORE
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Posted: 07/21/2020
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The Web Before the Web

A Look Back at Gopher Before the rapid growth of the World Wide Web in the 1990s, a protocol called Gopher briefly made the internet easy to use by combining the world’s online resources. Here’s what made it special, and why it was quickly eclipsed by the web.What Is Gopher?Gopher is a client/server directory system that launched in 1991. It allowed people to quickly browse resources on the internet. When y...  READ MORE
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Posted: 07/21/2020
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Hackers Can Now Trick USB Chargers To Destroy Your Devices

This Is How It Works... Not all cyber attacks focus on data theft. Sometimes the intent is “to achieve destruction of the physical world through digital means,” Chinese tech giant Tencent warns. The company’s researchers have just disclosed a serious new vulnerability in many of the mass-market fast chargers now used around the world.When you connect your device to a fast charger with a USB ca...  READ MORE
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Posted: 07/17/2020
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Solar Minimum Is Here, and it’s one of the Deepest in a Century

NOAA has released a new interactive tool to explore the solar cycle, which lets you scroll back through time, comparing sunspot counts now to peaks and valleys of the past.One thing is clear. Solar Minimum is here, and it’s one of the deepest in a century.Solar minimumSolar Minimum is a natural part of the solar cycle. Every ~11 years, the sun transitions from high to low acti...  READ MORE
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Posted: 07/07/2020
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Are the poles reversing?

Earth’s magnetic field 10 times more volatile than expected A study by researchers from the UK and US shows that the Earth’s magnetic field, which protects it from the Sun’s destructive solar flares, may change direction 10 times faster than previously thought. The study shines light on the liquid iron flowing almost 2,000 miles below the Earth’s surface and how it influences the movement of the Earth’s geomagnetic field. ...  READ MORE
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Posted: 06/01/2020
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Sun unleashes its biggest flare since 2017

NASA says our home star could finally be 'waking up' New sunspots on the surface of the Sun and the biggest solar flares since 2017 could be a sign that our star is waking up from a long slumber, according to NASA.The NASA Solar Dynamics Observatory (SDO) spotted the 'strongest flare since October 2017' on May 29, suggesting it may be entering a new solar cycle.A solar flare is a burst of radiation coming from sunspots - relatively cool...  READ MORE
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Posted: 05/28/2020
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Death Ray from Space a Reality?

X-37B Launched May 17, 2020 Since 2010, the United States military has been operating a pair of small reusable spaceplanes that conduct secretive long-duration flights in low Earth orbit. Now officially operating under the auspices of the newly formed Space Force, the X-37Bs allow the military to conduct in-house research on new hardware and technology with limited involvement from outside agencies. The spaceplane still need...  READ MORE
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Posted: 04/24/2020
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Lost Satellite Found By Ham

There are more than 2,000 active satellites orbiting Earth. At the end of their useful lives, many will simply burn up as they reenter the atmosphere. But some will continue circling as "zombie" satellites — neither alive nor quite dead."Most zombie satellites are satellites that are no longer under human control, or have failed to some degree," says Scott Tilley.Tilley, ...  READ MORE
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Posted: 04/10/2020
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More Online Covidiocy

Buy a 12VDC fan for your face mask! Fortunately, no bidders......  READ MORE

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Category: Nets
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Favorite VHF Nets

East Central Indiana 6M Net VHF NetsNet NameDayTimeFREQ/ModeEast Central Indiana 6M NetSunday8 PM EST50.140 MHz /USB...  READ MORE
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Category: Friends
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K5LYN's SB-10/Collins 310B/DX-60 Experiment

Below is a picture of my latest project.  After doing the transceiver thing, with a CE20A, mated to a SX-115, then the next transceiver project, a 10A mated to any Drake R4 series receiver, I had an idea.  Those transceiver projects have a lot of oscillators, and even the crystal oscillators can drift as they warm up, which requires re-zeroing the transmitter to the receiver from time to...  READ MORE
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Category: Nets
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Favorite HF Nets

Sell/Swap, Vintage Radios & More All times are in Eastern unless otherwise indicated.  Frequencies are in Megacycles. Recommended HF NetsNet NameDayTimeFREQ/ModeSwan Technical NetWednesday2200 UTC14.2925 +/-  /USB3938 Traders NetWednesday8 PM3.938 / LSBBoatanchor NetWednesday7:30 PM CST3.870 / LSBWA9ZTY Vintage AM GroupSaturday7:30 AM3.885 / AMMidwest Classic Radio NetSaturday8:30 AM3.885 / AMSwan Technical NetSatu...  READ MORE
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Category: Vintage Manufacturers
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W1LSB Finds an EBay Treasure

This 1964 WRL catalog was addressed to Major General Butch Griswold – K0DWC I was first licensed as a novice in 1958, and the WRL catalog was really dominant in those days, with the Globe King, Globe Champ,  and all of the lesser models gracing its pages.  I had a Globe Chief 90 and often dreamed of owning the bigger iron in those pages.   I have since collected most of the WRL catalogs from 1954 to 1964, and the last one turned out to be an interestin...  READ MORE
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Category: Crazy EBay Prices!
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Crazy EBay Prices!

Pictures of radio suckerbait on the world's largest online auction! Below are some screen shots of incredible prices demanded by some EBay vendors.  Since posting an auction is free as long as the item is not sold, it costs nothing for the unscrupulous vendor to display their (unremarkable/filthy/nicotine-caked) wares as if they were priceless artifacts of distinction, having immense value.  It is truly within this online marketplace where prod...  READ MORE
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Category: The Radio Shack
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Swan Twins: 600-T, 600-R Custom, 600-S

From the Estate of AA5T These excellent examples of the Swan Twins are from the estate of John Thuren, AA5T (SK) of Houston, Texas.  John had checked in to the 20M Swan net with these very desirable "big Swans" until a few years ago. A big thanks to Eddie, NU5K, who handled John's estate and placed these on EBay.  He packed them well, knowing they are indeed an important find. ...  READ MORE
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Category: SDR for Vintage Radios
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SDR techniques for Boatanchor Radios

W9RAN started playing with RTL-SDR dongles about 6 years ago, and knew they were going to have a big impact on the radio hobby.   But since these $15 receivers only tuned the VHF and UHF bands, he designed a wideband upconverter to make HF coverage possible, and described how it worked in an article in Jan. 2013 QST "Cheap and Easy SDR".   The "RANVerter" as...  READ MORE
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Category: Activities
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2018 Cave City Hamfest

Cave City, Kentucky, 3/3/2018 Barry, AC9NK and I attendended the 2018 Cave City hamfest, which was awesome this year.  The facility was packed, with lots of vendors.  We enjoyed the company of my friend Tom, N4LID for dinner the night before. Tom, who is blind, had not been able to get to the hamfest for many years.  You will find more pictures at the Kentucky Phone Net site.  A big thanks to Rod, N4ZIF, fo...  READ MORE
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Category: Vintage Manufacturers
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Remembering the Electra Company

Cumberland Indiana For nearly five years, spanning 1978 - 1983,  I worked as an Electronics Technician in the original Bearcat manufacturing and service facility in Cumberland, Indiana.  Electra was one of the best places I've ever worked, and were among the many innovative consumer electronics companies which sprang up in and around Indianapolis.  Al Lovell, a former employee of Regency (also in ...  READ MORE
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Category: Care & Restoration
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Heath Tube-Type LMO Repair (PDF)

Glen E. Zook, K9STH The tube-type Linear Master Oscillators (“LMO”) used in the Heathkit SB-Line equipment is a very stable and accurate means of controlling the frequency in the equipment. Unfortunately, as the units age, many LMOs develop a “warble” when tuning. This “warble” usually stops when the frequency control knob is not rotated. However, accurately “zero-beating&rdq...  READ MORE