International Crystal Manufacturing Company, Inc. (ICM) is a family-owned, business established in 1951 to provide crystals, oscillators and filters for the military. Today, ICM manufactures in the U.S. an extensive line of quartz crystals, oscillators, filters, and TCXOs / VCTCXOs used in military applications, communications, microwave transmission, data acquisition and transmission, and cutting edge research
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News
The Yasme Foundation has released two chronicles of amateur radio DX history that make for compelling reading — a downloadable edition ofYasme: The Danny Weil and Colvin Radio Expeditions, by Jim Cain, K1TN, and the extended article Danny W... Read more
Digital Modes
JS8Call 0.7 Released
J8Call “Howdy Folks, We’ve sure come a long way in the past few weeks. Thanks for sticking with me and enjoying the ride! This release is... Read more
Everybody’s Trying the New FT8!
“FT8 is the newest weak-signal mode from Joe Taylor, K1JT, and friends. It operates very much like JT65 but is four times faster and more automa... Read more
FT4 Video presentation by K1JT
See More about New FT4 Here “At about 20 minutes into the presentation, Joe describes FT4 as being asynchronous, meaning that you can start tran... Read more
Digital Activity Days RDRC “01-10” – Rules
RDRC Objective: Attraction of radio amateurs to the development of digital reports and software for various digital modes. Participants: Licens... Read more
VHF
BaoFeng UV-5R vs. AnyTone NSTIG-8R
A brief over view of differences between the AnyTone NSTIG-8R versus the BaoFeng UV-5R. This video highlights primarily the feature differences... Read more
Get Started with APRS for only $30!
Explain my basic setup for APRS which uses a Baofeng UV-5R HT and Android phone running APRSdroid and test it by shipping it to Indiana! For mo... Read more
Ham Radio Smartphone! Outfone Rangerfone S15 Android VHF/UHF
SpecificationFeaturesAccessories S15 Rugged Outdoor phone Specification Basic Parameter Model Rangerfone S15 Color Black Design Bar OS Android... Read more
How to work amateur radio satellites with your handheld (HT) radio
How to work amateur radio satellites with your handheld (HT) radio Visit the Worldwide Radio Forum at worldwidedx.com Read more
Review
All WX Solar Powered Amateur Radio Field Station Update 01
“Hello Operators. I’ve received so many questions about the solar powered Field Station, I thought It would be a good time to publish an u... Read more
Radio Receiver Sensitivity
The sensitivity of a radio receiver is a key operational parameter and it is limited by the system noise. The sensitivity of a radio receiver determin... Read more
6 Meter/50mhz Magnetic Loop For FT-8 And More
Here is a 6 meter magnetic loop that I purchased from Bob, VE3UK. It is precision CNC made and developed by Bob himself. All aluminum, at 18 inches an... Read more
The Real FT8, JT65, and JT9 Signal-to-Noise Ratio Revealed
SNR – Signal-to-Noise Ratio From the 2018 TAPR Digital Communications Conference, we learn about a true measurement of signal to noise ratio on... Read more
