KB7ZUT @graybeardradio.bsky.social · 31/01/2025Completed a 40M Direct Conversion Receiver for the Soldersmoke Blog challenge. Really nice audio as a bonus. #hamradio 1221 0
KB7ZUT @graybeardradio.bsky.social · 17/01/2025The story of 1206 SMD parts. My new favorite book from Amazon. Lots of great adventures will start in those pages… 010 0
KB7ZUT @graybeardradio.bsky.social · 15/01/2025Franklin Oscillator oscillating. Nice and stable and holding 7.003MHz for a hour. Still needs shielding to prevent stray capacitance (ie my hands) from de-tuning it. #hamradio 070 0
KB7ZUT @graybeardradio.bsky.social · 13/01/2025Working on a new home for the Franklin oscillator. #hamradio 190 0
KB7ZUT @graybeardradio.bsky.social · 09/01/2025Living life in Smith chart “Forbidden Area.” #hamradio 050 0
KB7ZUT @graybeardradio.bsky.social · 08/01/2025Finishing up a 20dB RF amp for the 40m direct conversion receiver. Manhattan never looked so good. #hamradio #buildRFyourself 0140 0
KB7ZUT @graybeardradio.bsky.social · 03/01/2025Homebrewed Elliptic band-pass filter for 40m. S21(blue trace) S11(yellow trace). Now on to the rest of the direct conversion receiver. #hamradio 060 0
KB7ZUT @graybeardradio.bsky.social · 02/01/2025Local MW Broadcast Station KIVA AM successfully distroying my 40m Homebrew direct conversion receiver's frontend with their monster signal into my vertical antenna. Time for new filter to eliminate them... #hamradio #deathToAM 010 0
KB7ZUT @graybeardradio.bsky.social · 31/12/2024Happy New Year’s Eve everyone. May the fireworks be outside and not from the back of your radio. 080 0
KB7ZUT @graybeardradio.bsky.social · 30/12/2024My wife just complimented me on my miniature wreaths, but was wondering why I was making them after Christmas. #hamradio 4527 0
Reposted by KB7ZUTTimothy Eklin, PhD @w8jj.bsky.social · 26/12/2024The Radio Amateurs of Canada (RAC) Winter contest starts at 0000z Dec 28th, Friday evening in the US. Modes are CW and phone, exchange for non-Canadian stations is RS(T) and QSO serial number. Canadian stations send RS(T) and province/territory. Everyone can work everyone. 73 John K3TN 0103 0
KB7ZUT @graybeardradio.bsky.social · 24/12/2024Wishing everyone a wonderful Christmas holiday. I hope you find a New radio or RF toy under the tree! 060 0
KB7ZUT @graybeardradio.bsky.social · 15/12/2024Working on a bandpass filter design that will pass most of HF (2MHz -30MHz). Lots of value tweaking, but it's time to solder something up and see how it works. #HamRadio #AmateurRadio. 140 0
KB7ZUT @graybeardradio.bsky.social · 07/12/2024A little Yaesu 817 surgery from the past. See if you can spot the problem... #Hamradio #Amateurradio 160 0
KB7ZUT @graybeardradio.bsky.social · 03/12/2024My dealer hit me up with a couple of dime bags. Even ships in discreet nondescript envelopes. And it's super pure product. 020 0
KB7ZUT @graybeardradio.bsky.social · 29/11/2024The massive finals of the Yaesu FT-817ND. #hamradio #Yeasu #RF 080 0
KB7ZUT @graybeardradio.bsky.social · 29/11/2024I need to start knitting myself a Yagi…. #hamradio techxplore.com/news/2024-11...techxplore.com 000 0
KB7ZUT @graybeardradio.bsky.social · 28/11/2024Glamor shots of my P3ST 20m Transceiver #hamradio 090 0
