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I think the V3 dongle is a little more robust then the "Experimental: HF Direct Sampling Mode” software option for the RTL2832. When using the just the Q branch of the chip you bypass the R820T2

Jim, Fantastic build!? Quite a milestone in itself to have converted baseline Raduino functionality from an?ATmega328 to a Kinetis K66 Arm M4. It's an extreme upgrade to the 'digital'

Here: https://www.arraysolutions.com/antennas/static-bleed-inductor Dr. William J. Schmidt - K9HZ J68HZ 8P6HK ZF2HZ PJ4/K9HZ VP5/K9HZ PJ2/K9HZ Owner - Operator Big Signal Ranch –

Thanks for the info! Sounds like the? "Experimental: HF Direct Sampling Mode" to receive frequencies? from 500khz to 28.8mhz? is not quite ready for prime time. Or at least, not for punters like

Indeed.

There is no free lunch, but there is always the free lunchbox! [email protected]> wrote:

Do you have access to an oscilloscope or spectrum analyzer? The most I can get out of mine was about 15 watts. And when I go over 10 watts the two-tone, 3rd order IMD rises to only about 18db,

Noise from static buildup varies with the weather and wind. If you think you have static buildup then all you have to do is disconnect your antenna, use a jumper cable to short each element to ground,

I have the same dongle and am happy with it.? You can order it on Amazon https://www.amazon.com/RTL-SDR-Blog-RTL2832U-Software-Defined/dp/B0129EBDS2 for the same price with prime shipping to boot.?

Oh no another Benton Harbor lunchbox bit the dust only to be resurrected into a new and glorious life. Or is that a reincarnation as uBITX? Skip Davis, NC9O

John, I only saw one picture of the radio display and no schematic or picture for the ATU also. Skip Davis, NC9O

Very cool, I haven't played with those RTL dongles for a few years now. May have to try this one out. A bit scary though, as the website is not well organized. For example, they sell an optional

The filter on standoffs is a broadcast band interference filter. I have a 500 watt AM station less than a mile from my house and also KFDI's AM station (10KW) 3.5 miles from the house. This filter

Larry, That is using our RadI2Cino card with a special Teensy 3.6 processor, not the NANO. RadI2Cino is available for sale in kit form, but the Teensy adapter is still prototype (may never be

Looks- Professional, but you are the "professional" Amateur.. I notice the volume control is pointing to "FUN" Can you explain VRB ? T800 confirm - sidetone frequency?... Then what is S25? Keyer

Hi I saw KD8CEC upgraded his display to more info Any display from ebay can do this? Best Regards, Stein-Roar Brobakken post@... LB3RE K3RAG Skype: lb3re.rag

Thanks for the additional info. I was only referring to the black wires which I tested for ground continuity. Joe Ve1bwv

Many thanks :) Done all, now I just have to connect the Raduino and load! :) ? But doing so overwrite the already loaded software, if I wanted to save a copy of the original sotware in my PC is

Hello John, Checked the file ATU schematics and pictures.zip (

I had grabed a taperecorder mic with 3.5mm mono pin. ?replaced the cable with 2+shield.had a small pushed switchmounted and wired. ?repalced the 3.5mm momo pin to stereo pin. Here is a image of my