Category: BITX40

Come Join the QRP-Tech Group!

I recently joined a group at groups.io called “qrp-tech”. It started in 2005 on Yahoo Groups, and eventually ended up over at groups.io. I was thrilled to find such a treasure trove of information and a thriving QRP community. Imagine my sorrow when just days later the group admin decided he was ready to move …

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The BITX40 is dead. Long Live the BITX40!

In December 2016, Ashhar Farhan and the company HF Signals in India released the BITX40, a simple SSB radio for 40 meter HF. For $45, one could buy the kit with its preassembled board and minimal soldering required to be on the air. Soon after, it was packaged with an Arduino/si5351 based digital tuning mechanism …

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QSX Update: June 2019

Welcome to the June 2019 QSX Update. We’ve spent some time collecting information about the QSX and thought you’d like to read it all in one place. At the Four Days In May conference (FDIM), Hans Summers did a presentation about the QSX, and it’s been collected in audio. Both the audio and a slideshow …

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QRP/ BITX40 and uBITX Case on sale!

UPDATE July 16th: It’s $6.99 until July 26th, the lowest we’ve seen it! Hey QRP Folks, I just saw that the Excellway EF01 case, so commonly used on BITX40 and uBITX builds is *ON SALE* until February 28th. Be sure to pick one or two up while the price is so low. They’re only $8.99 …

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The W7RLF BITX40: Finished at last!

Last year I thought the BITX40 was “done”. It successfully worked on 80, 40, 30, and 20m. It was truly multi-band! The trick to doing that was to make the Band Pass and Low Pass filters pluggable using QRP Labs filters. One only needed to open the radio, change the filters, and retune the VFO. …

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