The magnetic loop antenna is a familiar sight in radio amateur circles as a means to pack a high performance HF antenna into ...

Designed and manufactured in the U.S., these antennas deliver exceptional radio frequency (RF) performance from L-band (1.35 GHz to 2.5 GHz) to S/C-band (2.2 GHz to 2.5 GHz and 4.4 GHz to 4.49 GHz).

Air Traffic Controllers use Automatic Dependent Surveillance-Broadcast (ADS-B) as an alternative to secondary radar to track aircraft. The ADS-B is transmitted by the aircraft and contains information ...

Should you buy Hero Passion Plus or Hero HF Deluxe Find out which bike is best for you - compare the two models on the basis of their price, mileage, features, colours and other specs. Hero Passion ...

Which bike is best between Hero Moto Corp HF Deluxe Pro vs Quantum Energy Milan? On the basis of mileage, performance, comfort, maintenance and features user have rated both the bikes equally. Which ...

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Abstract: The acoustically excited antennas based on the piezo-electric effect (PE) have been shown to reduce the size of the long wave communication system transmitter (Tx) to 10 −4 of the wavelength ...

Abstract: This overview article provides examples of new antenna development across the past 50 years. Among others, the article highlights planar and conformal antennas, small antennas, fractals, ...

Mineralocorticoid receptor antagonists (MRAs) reduce the risk of cardiovascular death or heart failure (HF) hospitalization in patients with both HF with reduced ejection fraction (HFrEF) and a ...

In-hospital initiation of dapagliflozin in patients hospitalized for acute heart failure (HF) did not significantly reduce the short-term risk of worsening HF or death, based on findings from the DAPA ...