07 Dec '17, 6pm

Radio Amateuring Like It’s 1975 https://t.co/G7N7clB1m1

It was a tweet from an online friend in the world of amateur radio, featuring a transmitter design published in Sprat , the journal of the G-QRP club for British enthusiasts of low-power radio. The transmitter was very simple, but seriously flawed: keying the power supply line would cause it to exhibit key clicks and frequency instability. It would probably have been far better leaving the oscillator connected full-time and keying the supply to the amplifier, with of course a suitable key click filter. [M0CVO]’s Tweet that started it all We’ve all probably made projects that get the job done at the expense of a bit of performance and economy, and from one angle this circuit is a fantastic example of that art. But it’s not the shortcomings of direct PSU keying a small transmitter that has brought it here, but observation instead of what it represents. Perhaps my social grou...

Full article: https://hackaday.com/2017/12/07/radio-amateuring-like-its...

Tweets

Just like they practiced...

beatricebiologist.com 08 Dec '17, 8am

Join the Beatrice the Biologist fan club! Receive early updates on comics, e-rewards like videos and printables, and Beatr...

IT’S GO TIME!!!!

hungryrunnergirl.com 08 Dec '17, 9pm

Yaaaay!!!! Love to see you at the final sprint! It’s so exciting! I was so positive that your baby wants to meet her famil...

It’s going to be a delicious weekend in paradis...

jademountain.com 07 Dec '17, 7pm

Cacao has been cultivated on St. Lucia since the 1700s, and between our Emerald Farm and neighboring Anse Mamin estate the...

It’s A Wonderful Life for #Bitcoin Evangelist a...

bitcoinmagazine.com 07 Dec '17, 11pm

In “It’s a Wonderful Life,” the 1940s Christmas classic, George Bailey (played by Jimmy Stewart) is the guiding force of a...

Don't make us tell you twice.

Don't make us tell you twice.

sneakerfreaker.com 13 Dec '17, 6am

Jordan Brand’s highly anticipated ‘Like Mike’ drop is happening in a mere matter of days and we can’t get over how good th...

It’s Easier To Get Work Done At A Coffee Shop T...

sprudge.com 07 Dec '17, 2am

The coffee shop is a great place to get some much-needed work done. There’s just something about it that jumpstarts the pr...

Calculating Like It’s 1962 https://t.co/LYNIqexMOQ

Calculating Like It’s 1962 https://t.co/LYNIqexMOQ

hackaday.com 01 Dec '17, 4pm

We sometimes forget that the things we think of as trivial today were yesterday’s feats of extreme engineering. Consider t...

It’s time to start thinking of driving like smoking https://t.co/f1GavyOuLo

It’s time to start thinking of driving like smo...

treehugger.com 12 Dec '17, 3pm

Cars are killing us, and it is time to limit the damage to drivers and to people around them, just like we did with smokin...

“Practice like a pro:Toptracer is coming to 3 H...

todaysgolfer.co.uk 07 Dec '17, 9am

If you've ever watched golf on TV and wistfully thought about how great it would be able to see how your shots would look ...

@Running_Bum_ just read your beautiful piece th...

runnersworld.com 09 Dec '17, 12am

It was time to embrace disaster. It was time to embrace suffering. It was time to cinch up the laces on my LaSportiva Heli...

“It’s just knowing places like this exist.” https://t.co/RyUuJQ7AUh

“It’s just knowing places like this exist.” htt...

sierraclub.org 08 Dec '17, 3pm

After 25 years of leading excursions through the Arctic National Wildlife Refuge, I can honestly say not one of our visito...