Superheterodyne Structure in Radio
Most of the shortwave radios we we use internally employ the superheterodyne structure for signal up/down conversion in both reception and transmission. Today we are going to talk about the superheterodyne, focusing on analog signal superheterodyne receivers. The SDR architecture of the models, spectrum analyzers, many also use the superheterodyne structure to receive and transmit, …
The Enigma of the Ionosphere: Exploring the Intricate Relationship Between Solar Cycles and Radio Wave Propagation
Any shortwave radio enthusiast likely knows this common knowledge: the 20-meter band is suitable for communication during the day, while the 40-meter band becomes optimal in the evening and at night, with the 20-meter band’s efficacy diminishing. But why is this the case? Let’s focus our discussion on skywave propagation, where our radio waves are …
MC-750 Portable HF-GP Antenna Now Back in Stock! Get Yours Today!
Great news! We’re excited to announce that the highly sought-after MC-750 portable HF-GP antenna is back in stock. This compact and versatile antenna has been designed to deliver outstanding performance across all HF bands, making it a perfect choice for field operations, POTA, SOTA, and more. Whether you’re a seasoned ham radio enthusiast or just …
MC-750 Portable HF-GP Antenna Now Back in Stock! Get Yours Today! Read More »
JNCRADIO CS-818 QRP AUTO TUNER IS LAUNCHING!
Exciting news everyone! We are thrilled to announce the launch of our brand new product, the CS-818 Auto Tuner. This innovative device is the perfect companion for your FT-818/817, offering direct auto control, a built-in screen, and an all-in-one solution for tuning, SWR monitoring, and power measurement. Not only that, but the CS-818 is also …
MC-750 BACK IN STOCK
Exciting news for all MC-750 fans! The highly sought after MC-750 is back in stock and ready to be yours. This popular product has been out of stock for quite some time, but now it’s back and better than ever. With its advanced features and sleek design, the MC-750 is the perfect addition to any …