<--- Cormac in 1959 Real Radios Glow in the Dark!
Real Radios Glow in the Dark!
E.F. Johnson Production Chart The K7DYY - 100th Exhibitor. Built by Bruce, K7DYY, this unit is designed to show off the looks of the 100th vacuum tube. Running full tilt at 865 volts and 120ma, nice glow on the plate. Bruce built this but when his one and only 100th failed, he graciously gave it to me and I took one of my spare 100th tubes out of stock to keep this great piece of work alive! Visit Bruce's website, www.k7dyy.com, for a look at his K7DYY Senior Class D AM transmitter. W0LU Writes for Electric Radio magazine in 1996
This chart was published years ago in Electric Radio magazine. Amazing how they could make any money with these numbers.
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Grounded Grid Amp Drive Control
John, K7RLD, sent me this schematic of a circuit to use in the exciter driving a grounded grid linear.
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Vintage Color TV's
Roger, KE7NTD, sent me this link to a very interesting website. This fellow collects and restores very early color television sets. Here's the link to the site: http://community.webtv.net/stevetek/StevesCT100
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Operating Ham Radio Remote
John, K7RLD, routinely operates ham radio remote via computer from around the country. He has posted information on how he does it on his website.
http://home.comcast.net/~k7rld/remote_ham_operation.htm
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Antenna Toolkit Book
Thanks to Darby, NY1R, for the link to the Antenna Toolkit Book. It's about 263 pages of interesting information on various antennas and related items and the theory behind them. Easy to read, simple and designed for us common types! Click on the title above to download the book in .pdf format.
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New Technology Promotes the Old
There are a lot of ways to promote AM operation. Here's a unique one. Carry one of those little hand held fans. This one has 4 programmable messages and was sent to me by Vern, W7WAA with the message he put on it, "W7JHS AM ROCKS". Took a few tries to get a photo this good. Notice the whole message is programmed on one of the two blades!
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BC-610 Historical Information
Thanks to Rudy, W7RHZ, here are links to the Voice of Victory 1944 movies on development and construction of the venerable BC-610 transmitter. 14 & 13 minutes in length, these are a must see!
Part 1: www.archive.org/details/VoiceofV1944
Part 2: www.archive.org/details/VoiceofV1944_2
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K7DYY 100th Exhibitor
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The K7RLD Call Keeper
Keeping track of who get's it next when things are going hot and heavy on 3870 can really be a challenge. That's why John, K7RLD, invented the Call Keeper years ago. Here are a couple of pictures of mine, one in use and how I store the unused tags on a piece of old steel panel material. Visit John's website for some really great pictures and info -
http://home.comcast.net/~k7rld/index.htm
Here's another way to store the Call Keeper tags. Using the metal panel shown in the photo above, it resides on one of those sliding keyboard shelves right under the main operating position. Convenient and doesn't take up a bunch of room. Easy to access and back to using the small Call Keeper display board.
Here is the second version of the Call Keeper in action. It's one of those old metal reading stands used by secretaries.
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