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Congrats on the new book. It looks awesome.

Can I get the schematic diagram for the EMC 802 as I have one that needs maintenance

If you are interested in Diode 1SS86/Hitachi pls go to my main page.

Brilliant . . . Bravo!

WOW LOOK AT THSOE GRAPHICS omg INCREDIBLE 🤣🤣🤣😜 BUT they used same thing you may be watching right now Mind Control Say ""what you say Willis"? subliminal messaging at Drive in theater. No No TRUMP CONSPIRACY and I fly to Alpha Century secretly tonight LMAO!

Hi jeff. I use the lattice gal And at work perfectly.

Do these actually work? Or do they make good boat anchors.

july 14 2024 .... still love the videos. nicely done. just the right amount of info.

HEATHKIT were good radios. I remember getting the catalog in mail……and wishing I, a 12 y/o , could afford one.

Where can i buy one.

Complex to use... with two units. I've never seen one.

well done video and lots of good info .

just found 2 at an antique store near me for 65 dollars each , one powered up and had some reception. other untried.

I built one in 1970. It still works! Never had a problem. I also have a Q multiplier for it and that also works. These were awesome kits.

Hi ,jeff i am watching you from rapp(rawatbhata).

That VTVM is a very useful piece of equipment. I have a Heathkit V-7A VTVM, I restored it and it's in excellent condition. I'm using it to align radios, I too am a ham operator. A good VTVM is as useful as a good oscilloscope.

I think the solderless breadboard is the same size as the separate one you showed, minus the snap-on power rails. Visually it looks small, but once you deduct the power rails you have the same number (or very close to) of tie points available.

Excellent idea and very easy to follow explanation!! I have two Heathkit VTVMs models IM-11 and IM-18. will work on them to change to self powered for resistance range.

Harmonic on most band are not a feature but a side effect of a simple or weak design. This problem is cause by too much feedback to allow to cover a wide band.

Great video, thanks from England

Did you ever upload the manual? I just ordered One of these from eBay in unknown condition other than it powers on and could use any information your willing to share!

Excelente!

Turn this generator to regenerative receiver.

From inside is sou ugly

lot of car devices had "grandpa of Pi/Arduino, Motolora 68332 microcontroler based on 68020. Do You know what software theryre running on?

Dear Jeff, if possible, I would like to receive the Signal Generator Heathkit IG-42 manual in PDF via email Thank you, Fernando - Parnamirim - RN - Brazil..

Your presentation was very informative, I remember the CB Radio craze I was into it Radios, Towers and Mic's. D104 and the "Screaming Eagle" Radio with a set of "MoonRaker's " thanks !

FWIW, back in the late 70s, there were two major chip-makers with "MOS" in their name; MOS Technology and MOSTEK. In my world at the time (electronics/computer engineering) everyone I knew or heard from (including the people at these companies who would answer phone calls) pronounced them as "em-oh-ess technology" and "mahss-tech". At least in my own experience, it has only been in more recent times, when a lot of people who were not in that industry at the time, or where simply too young to have been involved, have come up with different pronunciations. Kinda reminds me of electronic hobbyists these days who say "Jam-ee-co" for Jameco Electronics, because that's what it looks like and they were not around back when that company as called James Electronics and know to call it "Jame-co."

Are there any Transistorized Q multiplier devices?

I built many of their kits . . . test equipment/audio/RC/TV's. My scopes and meters still work after 50 years.The Heath TV's were excellent, I built a 25", 13', and 19' before they were bought by Zenith. When that name went on, the quality went down! Our 27" Zenith came with all the boards and harnesses assembled in Mexico . . . not as fun a project or with the quality components of the Heath sets. On first power up, it kept blowing the circuit breaker. On examining the schematic, I found that the power supply harness was assembled wrong. The Tech at the Heath store said they had a whole production line like that causing much headache!

Very Well presented Video!! Clear and precise explanations. I look forward to other pieces of Ham Radio Equipment you may take the same approach with. THANK YOU!

Can you test it without an oscilloscope?

M3 encanta esa radio

Great Video thanks OM 73 KE4EZ

Where is the speaker? Oh wait, that tiny little thing? Dang. I'd rather have the tube version.

The 2024 price for 1940 $34.95 might have been overstated. In 2024 $, this radio would be $745.

Awesome !

Continue more

Thanks for that thorough report. I bought my SA-5010 about 40 years ago and it still works perfectly!

Thanks, great video. I have three XR-2 Healthkit radios. My first radio didn't have any knobs. So, I purchased a second one to get some knobs. Then, I made more knobs for the other radio. Afterwards, I saw the third radio at a swap meet for $10.00. I couldn't resist, so now I have three XR-2 radios.

Very good

Great video. This should be a template for tech videos on RUclips. No stupid background music, no waffling about unrelated stuff. Just the facts

Hello, I purchased a board from Scott, all the parts and I am ready to program the chips. The folder pld-wincupl has 3 files. I will only need to use the eta3400.jed file, right?. Will the program wincupl work with the XGecu PRO T48? Thank you!

Thanks Jeff!

Nice work! I would love to see a tutorial about how you added this functionality to MAME. I am interested in using MAME to emulate a simple vintage embedded system, but was unable to find relevant examples or adequate documentation.

Awesome! I asume having the RS232 interface and a terminal was quite a luxury at the time!

Wow that's great! How well does MAME handle the 7 segment display? I've played games like "Asteroid" on other emulators and it didn't work well because the simulated display didn't fully emulate multiplexing properly.

Another awesome video. Thank you for sharing this info. I love learning about these old kits and you always provide an amazing amount of interesting details.

Why leave the selenium rectifier? isn't that a ticking timebomb?

I remember my parents had this exact radio when I was a young kid in the very late 60’s & very early 1970’s! As my dad got the exact radio second hand & got it working & we listened to lots of good tunes through the radio! Man great memories!!🙂🙂