Sunday, January 31, 2016

Dead Chickens and Fake Transistors in Medellin Colombia: HK4DEI's Micro 40 DSB Rig

›
Daniel HK4DEI wrote to report that page 149 of the SolderSmoke book was providing some solace and comfort as he struggled to get his ver...
1 comment:
Saturday, January 30, 2016

RESISTANCE IS FUTILE! Diode Tunnels in Germany and Vermont

›
Peter DL3PB's Zinc Negative Resistance Transceiver Michael Rainey AA1TJ's work with tunnel diode rigs has provided much grist ...
4 comments:
Friday, January 29, 2016

AA1TJ's 150 Microwatts Heard at 112 Kilometers -- "To Boldly Go Where no Unijunction Has Gone Before."

›
AA1TJ reports:  Breaking news from W1PID... "Mike! I just copied the beacon. I got 'VVV de AA1TJ 150 uw' and it faded out. ...
1 comment:
Thursday, January 28, 2016

QST de AA1TJ -- Please listen for Mike's Microwatts!

›
QST de AA1TJ... I've a 150uW transmitter built from a single unijunction transistor currently running as a beacon on 3552kHz. If my N...
2 comments:

Alan Wolke W2AEW Builds a Michigan Mighty Mite (Video)

›
We are honored to induct Alan Wolke W2AEW into the Colorburst Liberation Army.  And for his valiant effort to build and explain a MMM Low-...
Wednesday, January 27, 2016

Humidity Data and the Zapping of my LCD Display

›
Sometimes the Radio Gods conspire against you.   Check out the chart above.  It shows relative humidity at my location.   I zapped my LCD ...
Tuesday, January 26, 2016

An Electro-Static Bandaid to Protect Sensitive LCD Displays

›
After the big East Coast blizzard,  the atmosphere in my ham shack became very dry.  I sit in one of those desk chairs with little plastic...
6 comments:
Monday, January 25, 2016

1936 Shortwave Listener QSL card

›
I found this today while rummaging around in the shack.  It is starting to fall apart so I figured I better digitize it before it turns...
Sunday, January 24, 2016

Listen to My R2 Phasing Receiver (formerly known as "The Frankenstein" )

›
I really like this receiver.  Thanks to all who helped. 
9 comments:
Saturday, January 23, 2016

Blizzard Prep Priorities: Protecting the 160 meter L network!

›
I'd been meaning to build a proper cover for my improvised 160 meter L network. The approach of Winter Storm Jonas pushed me into action...
3 comments:

Some Inspiring Phasing Philosophy from KK7B

›
KK7B holding his original Mini-R2 Rick Campbell KK7B concludes Chapter 9 of "Experimental Methods in RF Design" with these ...
Friday, January 22, 2016

Lee Snook W1DN's Amazing New Rig

›
Wow, I feel myself being pulled into the digital vortex.  What a cool combination of digital and analog construction!   I love that small ...