Rev Mook boosted
Dave V. ND3JR  

The ARRL Field Day is next weekend, but you can give it a go one week early with the Fled Hell Club's Field Day Sprint today, going from 18:00 through 19:59 UTC.

sites.google.com/site/feldhell

#HamRadio #AmateurRadio #Hellschreiber

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Rev Mook boosted
america's ass  

this is why you need AC isolation, kiddos

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Rev Mook boosted
SDF.ORG  

#onthisday in #1987 SDF-1 received its first caller at 300 baud #happybirthday to this #anime #bbs still here and growing after 32 years #netbsd #unix50 #thankyou ARPA members #cake

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Rev Mook  

That's supposed be a sine-wave. My analyzer says 78% harmonic distortion from the 1Khz fundamental.

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Rev Mook  

6M + 2M VHF

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Rev Mook boosted
Lars Lehtonen  

@rev_mook @jendiamond

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Rev Mook  

@jendiamond

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Rev Mook  

lsngl.us/media/REYoMduA7KTPQP6

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Rev Mook  

Have we entered a time where shitty software is generally acceptable?

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Rev Mook boosted
Lars Lehtonen  

Dive bar Friday with @rev_mook . It's OK, there's wifi.

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Rev Mook  

-.-. --.- -- .- ... - .- -.. --- -.

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Rev Mook boosted
Lars Lehtonen  

@bamfic @rev_mook I was up there for the 2m FM simplex net, he was doing FT8 on 20m & 40m. Also 2M USB.

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Rev Mook boosted
-_-  
@alrs @rev_mook Nice. What bands were you operating on up there?
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Rev Mook boosted
Lars Lehtonen  

More mobile operation with @rev_mook

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Rev Mook boosted
Lars Lehtonen  

@rev_mook NOT @jendiamond

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Rev Mook boosted
rho  

Recently I dug up an old bakelite straight key to get back into practicing Morse. I purchased it a couple years ago at a ham swap, looking for the cheapest key I could find ($10). While messing with it I got curious about it's manufacturer so took a closer look to the tag on the inside. Turns out it was produced in East Germany in a cold war era Leipzig. O_o

1+
Rev Mook  

L.A. Simplex net with @alrs. Bicycle transport. 1/2W on 70CM FM made it all the way to San Diego. 817 + roll up J-Pole on a collapsable fishing pole. 2M SSB net immediately after.

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Rev Mook  

First go on a process experiment for building HF coils on a lathe.
Unfortunately, this coil won't work, or my LC meter calibration is completely out in space. Moving forward, I need to machine some kind of expanding arbour to grab the substrate (PVC) internally, as it's tricky to chuck up a squishy piece of plastic squarely. I also don't have the right tail stop for a job like this, and perhaps, I need to tighten the thread pitch to improve the electrical properties

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Rev Mook  

In all the years I've been wrenching on these modules, I can't ever recall a chip failing on me. ( modules, different story) This chip contains four, two input AND gates which drive a few transistors that serve as level converters. From here, a 4051 multiplexer in current mode routes signals from various places to a cross-coupled non inverting voltage amplifier that eventually feeds bar graph meters.

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Rev Mook  

@ReverendDak How much Mountain Dew did it take to make this?

telnet towel.blinkenlights.nl

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