-
What is DCF signal?
Jan , 15 2021
Introduction of DCF Code The flingDCF transmission tower and spare transmission tower are located in Mainen (latitude: 50°01' N, longitude: 09°00' E), about 25km southeast of Frankfurt. Since 1959, DCF77 has served as a standard frequency. Since 1973, time and date information has been added. The DCF transmission power is 50kW and the transmission frequency is 77.5kHz. The DCF signal is transmitte...
read more
-
What is Electromagnetic Waves&How do electromagnetic waves travel?
Jan , 15 2021
Many people have questions about the relationship between electromagnetic wave frequency (wavelength) and signal coverage. Some people say that the higher the frequency of electromagnetic waves, the weaker the penetration, so the coverage is poor. So some people ask, X-rays and γ-rays are high in frequency, aren't they used for medical photography and metal equipment flaw detection? Some people ha...
read more
-
Lighting Up Time: How Multi-Functional Clocks Elevate Your Living and Working Spaces
Jun , 24 2025
In the age of smart living, the objects we surround ourselves with are expected to do more than just serve a single function. A clock, once purely utilitarian, has evolved into a design centerpiece—one that blends seamlessly with your lifestyle, complements your décor, and in many cases, offers added features such as ambient lighting or wireless charging. Multi-functional clocks are gaining popula...
read more
online service
coco20.xu@gmail.com
English
Deutsch
日本語
ipv6 network supported