Ideally, if you are going to transmit, you want a properly-tuned resonant antenna. But, sometimes, it isn’t practical. [Ham Radio Rookie] knew about random wire antennas but didn’t ...

[Wolf] sent in this site a while back, and I thought that this frequency meter how-to looked pretty useful. It’s based on an Atmel AT89C52 and a gutted multi-meter. The circuit isn’t too bad.

Our practical prepping guide gives you simple, realistic steps to prepare now, so you can stay cool and collected when things ...

Description: A.H. Systems' FCC-1 antenna provides an accurate standard for precise EMI and site anttenuation measurements (per OET-55 and ANSI C63.5). The FCC-1 is manufactured per the FCC balun ...

Tracking sperm whales is not easy because of their life patterns. Project CETI, which aims to decode their communication, ...

Secure your home while saving money with our picks of the best DIY security systems. Macy Meyer is a North Carolina native who graduated from UNC-Chapel Hill with a BA in English and a second BA ...

Description: Product Highlights Wide measurement range to 99,990Fc (999,900 Lux) with resolution of 0.001Fc and 0.01Lux Luminous intensity (candela) calculations Store and recall up to 50 measurements ...

The New River bridge Today materials like steel and pre-stressed concrete have made it possible to build longer and more elegant arches, including a spectacular 1700 foot span in New River Gorge ...

Do You Need A Laser Distance Meter For Your DIY Projects? So, now that you know what a laser distance meter can do, do you need one for your DIY project? I personally find my own laser tool ...

Do you share a special connection with someone? Is he or she your special person? This Love meter will help you find out. This is a simple Love Calculator which displays love percentage based on names ...

"I would build a great wall, and nobody builds walls better than me, believe me, and I’ll build them very inexpensively. I will build a great great wall on our southern border and I’ll have ...