SolderSmoke Podcast 225 available

Bill Meara M0HBR / N2CQR has released a new edition of the amateur radio SolderSmoke podcast

This edition includes:
• The uSDX project
• Sliding into the Vintage Test Gear Cult: HP8640B
• Fixing up and figuring out Radio Shack DX-390 receivers
• ARRL/TAPR Convention: SDR project from Walla Walla University students. Intuitive explanation for why desired and image freqs in a mixer come out with very useful phase difference
• Chuck Adams' Amazing Lab Notebook. Includes a simple circuit to measure resistance and Q in crystals.
• Mailbag

Listen to the podcast
http://soldersmoke.com/soldersmoke225.mp3

SolderSmoke blog
http://soldersmoke.blogspot.co.uk/