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I defer to Gordon on this stuff, but here's my impression: It will be a year or so before everyone everywhere can be vaccinated. When a health care system is overwhelmed, lack of compressed oxygen may

Thanks Gordon. That clarifies a lot. Next question: Are cheap ventilators still needed...in the US, in India, or elsewhere? What is the next step...if any? Arv _._ wrote:

Well let me see if I can straighten a few things out. I’m not completely sure about the website not being updated but I think we had to freeze the design and there was some concern about some thing

Would swimming pool muriatic acid ( 14% ) work? We always have a lot of that laying around...to maintain our pool. - Jerry KF6VB

Let's hope that the many countries that have the resources are mobilizing support quickly to help fill these needs that so suddenly hit you. Tom, wb6b

Hi, I switched a long time ago to the hydrogen peroxide method.? I use hydrogen peroxide from the drug store combined with HCl, hydrochloric acid.? The acid is available at hardware stores, sold as

Hi, Jack, your point of view is not much different from mine. Bear in mind I am a mostly CW ham. I am thinking about putting in more than one controller. The primary controller is to operate the

Arv: Off topic, but one of my grad school buddies took a job in DC at a small agency. A few months into the job, the director of the agency came around and told everyone to let the "In Box" stack up

Hi, This method seems fascinating. The person uses pages torn out of glossy magazines as a toner transfer paper to the PCB boards. https://www.youtube.com/watch?v=cVhSCEPINpM Are there any chemistry

Jack Maybe Pogo was right "*We have found the enemy, and he are us!*". After all the FDA as a government entity is just the government employees that we hired to do things in our name! 8-) 8-) Arv _._

Arv: I really don't know. All I know is that things were progressing rapidly and I know Gordon had one working on his coffee table! Then everything was turned over to the U of F team so they could

Most people who are doing at-home PCB etching are now using Vinegar for the etchant acid and Hydrogen-Peroxide as an accelerant. This seems safer and easier on the environment. Thin it with water and

Jack Seemed that things died just after being submitted to the University of Florida. Was this killed by the FDA, or by the University of Florida? While it doesn't matter much now, it could be that

You could sell a lot of simple radios with little more than a power switch, mic/speaker Jack an antenna jack, and a USB port. You would control it with CAT commands, no front panel at all. Heck, you

Farman, I would have to agree with your assessment of the IC-7300 vs the uBITX series of radios on features and power. The one thing I do not get from my 7300 is the ability to make modification and

Ashhar, I agree with you. I have QRP radios but am looking for a tabletop portable radio with more power and a built-in tuner. I was thinking of the XEIGU but decided on using the 7300 in the

Bill: Exactly. Al and I thought the uBITX was so good, we tried to extend it via the JackAl board. Not my best idea. However, we learned a lot and one message I keep hearing a lot is the "complex

<sarcasm>I heard they started an exploratory committee to define the parameters to establish a committee to investigate specifying the proper footwear for auto foot to gluteal striking.</sarcasm> --

Satisfaction to me is being able to use and to exploit minimalistic HF rigs, render them effective beyond imagination. Apart from HF Signals, I really have fun with Softrock RXTX. What is missing from

Hi Jack... ......Farhan, I have a uBitX V3 and have helped a few others by aligning and setting them up. I also have some toys from uBitX real competition, QRP (fill-in-the-blank). Both outfits have