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Inactive Father Knows Best: S3 E21 - Short Wave - December 18, 2021 While Bud is showing his family how he has learned to use a short wave radio, they overhear a distress call from a boat. ... READ MORE |
![]() UncleBrad 12/18/2021 |
Lost Technologies |
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KG9NZ Builds a Two-Tube Regen
December 12, 2021 My old friend Frank, KG9NZ, kicks off his YouTube channel with a breadboard regenerative receiver, using a 12AX7 and a 12AU7. ... READ MORE |
![]() UncleBrad 12/12/2021 |
How-To |
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The Bones of Station H
One week before the attack on Pearl Harbor, a US Navy listening post on the other side of Oahu intercepted Admiral Yamamoto's message to the AJapanese fleet to sail to Hawaii. Today, the remains of that radio station can still be seen.... READ MORE |
![]() UncleBrad 12/07/2020 |
Events |
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The Raspberry Pi 400 is a $70 keyboard that's also a computer
Simplifying the setup for people who want to use a Pi as a PC. - November 2, 2020In the eight and a bit years since the first model launched, the Raspberry Pi has traditionally been sold as a modular computer. You buy the board separately, attach your own peripherals, insert an SD card and then get to work on your own computing project. The Foundation watched as third-parties — including Kano — built their own all-in-one PC soluti... READ MORE |
![]() UncleBrad 11/03/2020 |
How-To |
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What a hacked coffeemaker looks like.
As a thought experiment, Martin Hron, a researcher at security company Avast, reverse engineered one of the older coffee makers to see what kinds of hacks he could do with it. After just a week of effort, the unqualified answer was: quite a lot. Specifically, he could trigger the coffee maker to turn on the burner, dispense water, spin the bean grinder, and display a ransom message, all while be... READ MORE |
![]() UncleBrad 09/28/2020 |
Events |
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Space Station FM Repeater Online!
ISS FM repeater informationDownlink: 437. 800 +/- dopplerUplink: 145.990 (67hz PL Tone)... READ MORE |
![]() UncleBrad 09/16/2020 |
Events |
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Make a replica of the GENIAC Electric Brain from 1955!
Michael Gardi posted instructions for making a replica of the GENIAC ("GENIus Almost-automatic Computer") that was sold in kit form in the 1950s and 1960s for $20. GENIAC consisted of a Masonite back panel with six areas of concentric perforations, six similarly perforated Masonite disks, and some additional hardware listed in the supplies section below.Slotted brass bolts wer... READ MORE |
![]() UncleBrad 07/16/2020 |
How-To |
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Pine Board Project "The Beginning"
One of my favorite YouTube channels, The Radio Shop, features a multi-part series of videos on the building of Bob Heil's "Pine Board Transmitter" into an old repurposed CB linear amplifier case. ... READ MORE |
![]() UncleBrad 07/09/2020 |
Events |
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Swan 330 VFO In Action
Demonstrated by Tom, KD5VSV KD5VSV demonstrates the how the 330 is used for general coverage receive on the Swan 600-R Custom SS-16 receiver. If anybody know where one of these truly rare VFOs can be found, please pass it on to me!... READ MORE |
![]() UncleBrad 05/27/2020 |
How-To |
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7 INCREDIBLE Projects with a simple FAN
[This is a very-well produced video which quickly walks you through some amazing (and useful) things you can do with a muffin fan]... READ MORE |
![]() UncleBrad 05/19/2020 |
How-To |
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35 Years of Windows
A Look At the First Hello World Program! Windows has evolved a lot over 35 years of development. Today we're going to look at the first version of Windows, released in 1985, its corresponding Hello World application, and then seeing if it's possible to run these applications on a modern version of Windows... READ MORE |
![]() UncleBrad 05/19/2020 |
Lost Technologies |
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'90s Software Claimed To Double Your RAM
The SoftRam95 Scam SoftRAM claimed to double the available Random-access memory on your computer for $79. 95. Here's what happens when you run it on your [vintage] computer.... READ MORE |
![]() UncleBrad 05/10/2020 |
Lost Technologies |
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Using Punch Cards in 1947
Hollerith and IBM An interview with Bubbles Whiting who, in her early career used punch cards in her everyday work life. Part of the Heritage Lottery funded Viva Computer project from the Centre for Computing History.... READ MORE |
![]() UncleBrad 05/10/2020 |
Lost Technologies |
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KPH Radio Station
Last Active Morse Station in US KPH is a public coast radio station on the West Coast of the United States. For most of the 20th century, it provided ship to shore communications including telegrams and marine telex service.Guglielmo Marconi sited and commissioned the building of a wireless telegraphy transmitting station west of Bolinas and a receiving station in Marshall on Tomales Bay in 1913–14. The Marshall station ... READ MORE |
![]() UncleBrad 05/05/2020 |
Lost Technologies |
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The SBE-34 SSB Transceiver
by Pete, N6QW [I had one of these in my 1978 Ford Granada in the early eighties, and have a couple of find examples at the QTH. These little transceivers were way ahead of their time in many ways.]Here is an example of what an IC7300 might look like some 50 years ago. It is a hybrid rig using Germanium (mostly PNP) transistors in the low level stages. So OK a couple of NPN (2N706) in several key locatio... READ MORE |
![]() UncleBrad 04/10/2020 |
Lost Technologies |
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Build This 8-Bit Home Computer!
Just 5 Chips What if I ditched the classic CPU for something more modern yet still 8-bit? How low could I get the chip count?The result was the Amethyst. Just like a classic home computer, it has an integrated keyboard and can generate audio and video. It also has a built-in high-level programming language for users to write their own programs. And it uses just six chips—an ATMEGA1284P ... READ MORE |
![]() UncleBrad 03/23/2020 |
Events |
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DIGITAL COMPUTER TECHNIQUES & PRINCIPLES
U.S. Navy, 1962 This color US Navy training film is about basic computer techniques. This is a 1962 film based on the roman numeral copyright at the end.... READ MORE |
![]() UncleBrad 02/22/2020 |
Lost Technologies |
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1940s BELL TELEPHONE "MOBILE TELEPHONES"
EARLY CELL PHONE / MOBILE TELEPHONE SYSTEM Created in the late 1940s, this film from Bell explains the operation of the Mobile Telephone Service (MTS) by showing how it can be used to make business more efficient. The film also shows some of the cutting edge equipment used in the system and shows how it was installed in vehicles (7:30). MTS was a pre-cellular VHF radio system that linked to the Public Switched Telephone Network (PSTN). A... READ MORE |
![]() UncleBrad 02/22/2020 |
Lost Technologies |
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RCA Victor Tape Cartridge
A Trailblazing Failure "In this retro HiFi video - I'm looking at a tape cartridge system that introduced a number of innovations and ideas that were incorporated in subsequent formats, but was itself a massive failure. The full demo cart recording can be heard here: https://youtu.be/iVnMnzfftq0 The full RCA promo film can be seen here: https://archive.org/details/Revoluti1958."... READ MORE |
![]() UncleBrad 02/09/2020 |
Lost Technologies |
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The Westinghouse Time Capsule
1939 World's Fair Westinghouse created a new metal alloy specifically for the occasion—Cupaloy, or 99. 4% copper, tempered with chromium and silver. Westinghouse claims Cupaloy is as strong as steel but won’t corrode over thousands of years, because instead of rusting, it actually attracts deposits of more metal. The term “time capsule” was coined for the 1939 collection, which included lit... READ MORE |
![]() UncleBrad 02/04/2020 |
Lost Technologies |
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The Gilbert U-238 Atomic Energy Lab
Let your kids measure radioactivity and prospect for radioactive ores! “Users should not take ore samples out of their jars, for they tend to flake and crumble and you would run the risk of having radioactive ore spread out in your laboratory. ” ... READ MORE |
![]() UncleBrad 02/02/2020 |
Lost Technologies |
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WLW's 500KW Transmitter
A Tour of the Facility Tour of the historic WLW AM monster broadcast transmitter facility located in Mason Ohio. WLW has kept a major piece of broadcasting history alive by keeping much of the old high power transmitter intact. Recorded while at Hamvention, Dayton OH, in 2013.Back in 1932 WLW increased their power from 50,000 watts to 500,000 watts. They were the only AM broadcasting station in America ever to operate... READ MORE |
![]() UncleBrad 01/26/2020 |
Lost Technologies |
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Swan 350C In Action
Vintage Sideband Net w/Roger, KD7HH A quick video of the January 20, 2020 check-in to the Vintage Sideband Net (14. 2925). Net control at the time was Roger, KD7HH.... READ MORE |
![]() UncleBrad 01/20/2020 |
Events |
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Wes Schum W9DYV Symposium
A Windfall for Winterfest 2020 From: https://forums. qrz.com/index.php? threads/wes-schum-w9dyv-symposium-is-a-windfall-for-winterfest-2020.681284/Sometimes things just drop in over the transom. But it’s usually when the transom-owner is effective, organized and the opportunity coming along is looking for such a place to land. In short, those who are effective tend to get unsolicited opportunities. And a ... READ MORE |
![]() UncleBrad 11/21/2019 |
Events |
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Collins S-2 Line
N0SAP, Slidell LA The Ellusive Collins S-2 Line - David Beckler, NØSAP. David displayed these beauties in the 2018 Jonesborough, TN W9DYV gathering.... READ MORE |
![]() UncleBrad 09/12/2019 |
Events |
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Pouring the HBX-48 Base
See Details in Gallery! Tom Pfaehler supervises the pouring of 18000 lbs of concrete into the 4' x 5' x 5' hole for the tower base. ... READ MORE |
![]() UncleBrad 08/24/2019 |
How-To |
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2019 AM Get Together w/N6TLU
Sturgis, Michigan Terry, N6TLU, once again has produced a video of the annual AM meet in Sturgis, Michigan. This swap meet is hosted by KI8BQ, Gary, and his gorgeous QTH just north of the Indiana line.... READ MORE |
![]() UncleBrad 07/30/2019 |
Events |
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The Incredible W9EVT Station
You've seen him on QRZ.COM, now see the video! George has been only the air since 1938, and operates this amazing station from Washington Island. Don't miss all the pictures posted on his QRZ.COM profile.... READ MORE |
![]() UncleBrad 04/04/2019 |
How-To |
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LaserDisc - The DVD of the 1970's!
If you have never seen one of these machines, and the amazing video & audio quality they produced, you're missing somethng: uncompressed analog video. Yet, these devices came out years before the DVD - and several years before the original CD! LaserDiscs were twelve inches wide, just like LP records. Indianapolis was home for the production of much of the hardware ... READ MORE |
![]() UncleBrad 04/04/2019 |
Events |
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Rarest Heathkit of Them All?
SS-8800 From 1979 [This is the first video in a series by Bob, W9RAS, a former Heathkit technician]Designed in the late 1970's this was the first synthesized HF tranceiver KIT made by Heathkit . .. Design was completed and three were assembled in the Heathkit factory in 1979 . The world amateur radio conference in 1979 added the 30 ,17,and 12 meter bands for use by amateurs so the SS8000 was obsolete before it... READ MORE |
![]() UncleBrad 03/29/2019 |
How-To |
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W5XU and K5EF w/classic Drakes
2018 Jonesborough, TN Dave, W5XU and Nick, K5EF, making contacts at the Jonesborough, TN gathering, July 2018. ... READ MORE |
![]() UncleBrad 03/26/2019 |
Events |
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Drake 8-Series Prototype Closeups
W5XU display, Jonesborough, TN 2018 Dave, W5XU displays the Drake TR-8 prototypes as well as the matching L-85 linear amplifier. This is what was coming when R.L. Drake decided to terminate its amateur radio products.... READ MORE |
![]() UncleBrad 03/26/2019 |
Events |
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K5EF 2500L Broadband Amp
2018 Jonesborough, TN Built by Nick Tusa, K5EF, this beautiful amplifier exploits the "Mysterious" Batchelor Broadband Coupler, which enabled the first no-tune, broadband amp design used in the 100V. This potted device was explained by Nick, but was a real mystery in the 1950s to Central Electronics' startled competitors. Per Nick:"This is a desktop 2500L that I had designed and intende... READ MORE |
![]() UncleBrad 03/26/2019 |
Events |
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The Only Drake L-85 Amp in the World!
Dave, W5XU, shows us the rarest of the rare (Jonesborough, TN, July 2018) Dave, W5XU, displays the only Drake L-85 linear amplifier in existence, and shares some of the history behind it. The L-85 was meant to sell with the Drake TR-8 transceiver - part of a series that never made it to production. Dave also compares it to the L-75. This brief video was taken and the Wes Schum estate gathering in Jonesborough, TN, July 2018.... READ MORE |
![]() UncleBrad 03/26/2019 |
Events |
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HW-16 Capacitor Replacement
Terry, N6TLU (Yours truly now has this transceiver, and am enjoying it on the low end of 40M)A very sought after vintage transceiver. Heathkit produced these for Novice operators. A full break-in transceiver, approx 50 watts output. I had one as a kid, no license, but always dreamed of putting it on the air. Now I have another. It needs some TLC, however I knew it would be worth the efforts. Yes, got it work... READ MORE |
![]() UncleBrad 03/04/2019 |
How-To |
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Meet WA4FTY ("Mr. Harvey Wells")
Bob Heil visits with C. Wayne Frazier C. Wayne Frazier, WA4FTY, has built up a matching Harvey Wells receiver and amplifier. See how he did it in this brief presentation submitted by Bob Heil, K9EID.... READ MORE |
![]() UncleBrad 08/15/2018 |
How-To |
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Cheap and Easy SDR Panadaptor for Older Receivers
Bob, W9RAN, updates the Heathkit HR-10 with SDR performance Using the RANVerter low-cost SDR as a panadapter plus DSP-based 2nd receiver with a Heathkit HR-10 "beginners receiver". SSB and CW tuning is demonstrated using the receiver for tuning, and the SDR as a DSP back-end for filtering, demodulation, and audio.... READ MORE |
![]() UncleBrad 08/13/2018 |
How-To |
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The History of Cosmophone - Brian Harris, WA5UEK
Jonesborough, TN CE Meet (2016) One of the most intriguing, but rare, radios of the late 1950s was the Cosmophone 35. Less than 100 were built and very few survive. Yet, it was a hallmark rig sporting dual VFOs and was the first all-band transceiver produced for the amateur radio market, beating out the Collins KWM-2 for that honor. Brian Harris, WA5UEK, is the foremost authority on these rigs. We hope you enjoy this piece of ... READ MORE |
![]() UncleBrad 08/07/2018 |
Events |
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Bob Heil's Pine Board Project
2018 Jonesborough, TN Bob Heil set up a display of some of his products, including the Pine Board Project transmitter, which appeared in QST magazine and Ham Nation. Lots of videos and construction resources can be found on the Heil Sound site: https://heilsound.com/amateur-radio-post/the-pine-board-project/(W9DYV Vintage Radio Event at the Central Electronics estate, Jonesborough, TN, July 2018)... READ MORE |
![]() UncleBrad 07/23/2018 |
Events |
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Drake TR-8 Pre-Production Transceiver
2018 Jonesborough, TN David Assaf, W5XU, presents a pre-production prototype for the R. L. Drake TR-8 transceiver, which was never produced. This one has a serial number of XXX2. The bandswitch is missing. (W9DYV Vintage Radio Event at the Central Electronics estate, Jonesborough, TN, July 2018)... READ MORE |
![]() UncleBrad 07/23/2018 |
Events |
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Drake TR-8 Transceiver Early Prototype
2018 Jonesborough, TN David Assaf, W5XU, presents an early prototype for the R. L. Drake TR-8 transceiver, which was never produced. This one David calls the "TR-7B" because of the obvious evolution from the TR-7. (W9DYV Vintage Radio Event at the Central Electronics estate, Jonesborough, TN, July 2018) ... READ MORE |
![]() UncleBrad 07/23/2018 |
Events |
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Bobby Hallicrafters W6OZI's Hamshack Tour- 2018
California Hammin' goes back for another visit to the hamshack of Bob Demarco- a. k.a. "Bobby Hallicrafters". Five years after our first tour, see what's new in Bob's collection. I've been heavy into Hallicrafters for nearly 30 years, and I've never seen some of the radios that Bob has collected.... READ MORE |
![]() UncleBrad 06/03/2018 |
Events |
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Jeff, WA8SAJ on History of Swan Radio
2017 Jonesborough, TN Jeff Covelli, WA8SAJ, gives a 1/2 hour presentation on Herb Johnson and the origin of Swan Radio Company. Jeff, a ham since 1965, has had a long career in Avionics and consumer electronics Today he is highly regarded as a go-to for information and repair of vintage AM and sideband gear. Electric Radio features several of his articles.*** NOTE ***Audio quality is very ... READ MORE |
![]() UncleBrad 12/23/2017 |
Events |
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W9DYV on History of Central Electronics (1993)
Founder & SSB pioneer Wes Schum addresses Society of Radio Operators A one hour 1993 presentation by Wes Schum W9DYV, Central Electronics founder to the Society of Radio Operators (SRO) of Chicago. Wes gives his story about the company, how he started in ham radio, the development of SSB, involvement in WW II research, helping VOA when the USSR was jamming them, Art Collins' call for help and the taking over of Central by Zenith. He also mentions his retireme... READ MORE |
![]() UncleBrad 12/09/2017 |
Events |
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Jeff, WA8SAJ on Wartime R.L. Drake History
2017 Jonesborough, TN Jeff Covelli, unarguably one of the nation's foremost experts in vintage radio communications companies and their products, presents a forum on Collins Radio just prior to WW2, and how the war formed the direction of the company. *** NOTE *** Audio quality is very poor in this video. Bob Heil, who handled the audiovisual chores in the 2016 Jonestown event, was unable to help in the 2017 activ... READ MORE |
![]() UncleBrad 07/24/2017 |
Events |
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2015 Field Day: K5LYN and Vintage Central Electronics
Central Electronics founder, Wes (W9DYV) and Lynn (K5LYN) at the 2015 Central Electronics Field Day (now W9DYV Boatanchor Event). Lynn, a primary net control for the weekly Vintage Sideband Net (vintagesideband.org) batted zeroes calling CQ with equipment that was built about when I was born.... READ MORE |
![]() UncleBrad 05/06/2017 |
Events |
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Wes Schum's Last CQ
W9DYV, founder of Central Electronics, calls his last CQ (June 2015) From his eastern Tennessee estate in 2015, 94-year-old Wes Schum joins friends and family in ARRL Field Day activities. Wes, W9DYV, was the founder of Central Electronics. Shown here is a very early broadband linear amplifier and a CE transmitter.We unfortunately lost Wes last year (2016), but the annual W9DYV Boatanchor Event is growing and a great place for vintage radio enthusiasts. Che... READ MORE |
![]() UncleBrad 05/06/2017 |
Events |