[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.

Since the stock antenna was not cutting it ... simple math – 40m/cycle * 5,666,000 cycles per second = 226,640,000 meters per second or 75.6% of the speed of light. So the wavelength of the ...

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 ...

The installation of the main reflector for the antenna system of the 40-meter-aperture radio telescope completes in Shigatse, Xizang autonomous region, Oct 7, 2024. [Photo/CCTV News] The main ...

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 ...

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 ...

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

Saipem will transport and install the umbilical between the central control platform sitting in a water depth of 70 meters, and the subsea field located at 1,500 meters, connecting to the existing ...

Contractor: General Atomics Aeronautical Systems Inc. Service: USAF, CIA Armament: 2x laser-guided AGM-114 Hellfire missiles Propulsion: Rotax 914F four-cylinder engine Speed: 84 mph Range ...

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 ...

DIY电脑和品牌机的优劣势： 自己DIY的优势： 1.价格更便宜。（现在品牌机有补贴所以DIY的价格优势没那么大） 2.配置更灵活。 自己组装可以根据 ...