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Colin, While I haven't done ANY calculations or run any destructive tests on the old version (or even the new version for that matter) of the Tuna Helper, my seat of the pants answer would be that

Hi, Silly question of the day- what kind of power will the Tuna Helper (first edition, small can in my case) handle? I have a transmitter that is producing about 2.5 watts output, is this a safe

Plenty for sale on eBay. https://www.ebay.com/sch/i.html?_from=R40&_nkw=%22BLF+147%22&_sacat=0&_sop=15

Looking for RF FInal Power transistor BLF 147 for FT-1000.? Believe these ae now obsolete.? Anyone has a old unused rig and can cannabalize these?? Please do let me know.? To be shipped to an

Not so sure it's any better than others I've seen and used. notice they only show it with the compoenet side up? Obviously, for thru-hole stuff, you are soldering on the bottom of the board. don't

Hi Rex, I was unaware of your project then a fellow responding to my post sent me that link to your product. Nice. I will put them on ny list. I was unable to see any pic on the page but the YouTube

Gangue, I just watched my own YouTube video all the way through and noticed a slight problem.... It was a couple of years ago when I designed 'A Brass Set' and the postal rates were cheaper for small

I need to look at the Brass Set. One thing I'm given to do as I'm like Rex in wanting boards fairly low is to put on screws/standoffs upside down so the board sits solder-side-up. Works great IF you

Gangue, While looking over the new pcb holder, I can see that the construction looks nice and the price is certainly affordable....but: I prefer to have the pcb as low to the bench top as possible.

Looks cool, I just use a panavise with several attachments. Having it stable on the bench is a plus. ---John AC9UV

I think I'll give these a try. Thanks for sharing! On Fri, Nov 27, 2020 at 2:18 PM, Bob - K2KI<k2ki@...> wrote: Hi all,I was doing some window shopping at Amazon and came across

Hi all, I was doing some window shopping at Amazon and came across

Looking better and much easier to navigate! I realize it is tough for a one-man show to do it all but this is a very good improvement to getting around you site. Can't wait to see when it is

Gangue, Couple of things: After many years of failed attempts, I finally got a clue and figured out how to get into my html code and replace that cumbersome QRPme opening page with some nice hot

On page 12, the bottom paragraphs, line 3 The text for the 3rd power calculation example "Po = ((Vpk x 0.707) + 0.3) divided by Rload" Should be: Po = ((Vpk x 0.707) + 0.3)^2 divided by

Please slide a copy my way.? 73, Bob

I checked the manual on the QRPme.com webpages and noticed it is at the Preliminary version. The latest released version is 22 January 2019.? I'm sending a copy to Rex (I think I did...8^)).? In

This kit was originally developed for the 2016 BuildAthon at FDIM, details on the QRP me website. Based on my 4-port coupler, included in the KotMC and the W7EL Power Meter electronics (with

OK, I found the the Limerick Paddle and Keyer** that I thought I'd almost remembered... ;-) Go to the web page here for pictures and to order. http://qrpme.com/?p=product&id=LKP It's not the RM][

Pavel, That diagram you did is still good. I don't know about the keyer. I know he has a couple of straight keys. Also I recall a paddle he did using the keyer chip from the RockMite ][ kits, I