Yes, I agree with everything you said. I also don't understand how 25 ohms could choke out RF from feeding back into the power supply. Lee

Studying a 5 watt 40M Transmitter that uses an IRF510 for PA, what is puzzling is the RF choke is specified as a T68-2 with 10 turns. By my calculations this presents an impedance at 7 MHz of about

Greetings folks. Finally getting around to building Magic Box. Can’t get a side tone at the side tone test step. Replaced R46 from 10meg to 100 ohm. Prior tests ok. Is this a known problem?

Well, it looks like it will be a while before I can check in to the talk group. The only DMR repeater I can reach is on a TV tower, and the TV people are upgrading everything. No internet for maybe

$80 shipped. Built - 1 xtal. Needs minor, minor fix (no power). With Hobby Lobby box. Pics on request. W8EJO

Keep in mind the Contextual Electronics tutorials are not using the latest version of KiCad, I ran into some trouble using KiCad 5 with those videos, got frustrated, haven't gotten the motivation to

Oh, yes, Chris! He and Dave Jones down under do the Amp Hour podcast. They're great!-- -+-+-+-+- Jenny Everywhere's Infinite: Quark Time http://quarktime.net

Never mind, I finally stumbled onto it.... Contextual Electronics at... https://www.youtube.com/watch?v=PlDOnSHkX2c David Martin - NA1MH - Mountain

Not on youtube and not free but cheap. I highly recommend this course and instructor. Sales go on periodically and right now it is dirt cheap. https://www.udemy.com/kicad-like-a-pro-2e/

Who is it that has good KiCad Tutorials on youtube ? -- David Martin - NA1MH - Mountain Home, Ar. ----------------------------------------- Wherever I go,

Storms in the area so a lot of QRN but still got a couple: WA9PWP Paul WI (on his HB1B) AH6AX LARRY MD WA9PWP Paul WI (this time on his shiny new Hilltopper 40 - which sounded

Ge Group I have Thunderstorms nearby by, so I have pulled the plug. Get on call cq see who is out there. Cu all next week 72 Johnny AC-- Check out the 4SQRP website at 4sqrp.com

Wednesday Evening 40 and 80 meter Nets When: Wednesday, 17 April 2019 8:00pm to 9:00pm (GMT-05:00) America/Chicago Where: 40 and 80 Meters Organizer: jomatlock@... Description: The 40 Meter Net

Sic transit gloria mundi.

The forecast is for rain and hail during net time at my QTH tonight, it is very probable that my Satellite internet connection will fail or at least be highly compromised during our scheduled net

Reminder: Wednesday Evening 40 and 80 meter Nets When: Wednesday, 17 April 2019 8:00pm to 9:00pm (GMT-05:00) America/Chicago Where: 40 and 80 Meters Organizer: jomatlock@... Description: The 40

Thank you Don for your kind words. In the spirit of amateur radio this was definitely an amateur video. Glad you liked it. 72 and have fun in Thailand! Kevin K9NSE

I remember well Garriott's 1983 shuttle flight. Our family lived in Honduras at the time and I marveled at the possibility of hearing the space shuttle. One day I was doing something outside the house

I've got an Emtech ZM-2 I built about a decade ago. Still works like a champ. It'll frequently tune what my Elecraft T1 won't. I needed to use it for my Cricket 30 because the antenna was really

Speaking of magic/fun, and antenna experimentation, and balanced wire feedline... you might consider adding a z-match tuner to your arsenal of ham goodies. Something like: