Tag Archives: amateur radio

Are Kids the Future of Ham Radio?

Posted on November 22, 2015 by jwk

Bob K0NR has an alternate take on how to keep ham radio alive as many of its practitioners age up: For whatever reason, it seems that most people find themselves in a situation as an adult that causes them to say … Continue reading →

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KN0CK and KF7LZE RTLSDR for HF Back In Stock at Easy-Kits.com!

Posted on March 11, 2014 by jwk

Edit: Easy-Kits.com is offline, but still for sale! Click through.  We’ve completed the next production run of Rev 5 direct-sampling RTLSDR with HF converters by KN0CK ! Rev 5 Direct Sampling HF RTLSDR with Amplifier

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Coming Soon: KN0CK Rev B Integrated HF RTLSDR

Posted on May 1, 2013 by jwk

Marty KN0CK developed a very interesting v1.0 HF converter based on surface mount technology that fits inside the casing of an RTLSDR tuner dongle. He’s recently sent me schematics for the revision, which should offer even better performance! This new iteration … Continue reading →

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KN0CK HF Upconverter Fits Inside the USB Tuner’s Enclosure

Posted on February 19, 2013 by jwk

Marty KN0CK sent me some details to publish about his great looking miniature HF upconverter board for the RTLSDR, the HF Alchemy DVB-T Active HF Upconverter. It’s an incredibly miniature SMT board with an SA612 mixer and SMT oscillator, and … Continue reading →

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DIY SDR HF Up-Converter by WA7JHZ: Another good choice for your RTLSDR.

Posted on February 2, 2013 by jwk

Reader David Forsman, WA7JHZ, read the round-up of RTLSDR upconverter choices and sent me a photo and build schematic of one he designed which was featured in the January 2013 issue of QST, the ARRL‘s monthly magazine. This circuit up-converts … Continue reading →

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