The primary outcomes were the percentage of consecutive heartbeat intervals > 50 ms (pNN50), the root mean square of successive heartbeat differences (RMSSD), and low/high cardiac frequency (LF/HF ...

GM has announced it will remove the single whip antenna from newly produced units of the Chevy Silverado and GMC Sierra. Typically found on just one fender of The General’s immensely popular ...

Comparatively, G3 exhibited reduced LF and LF/HF ratio, thus indicating a possible recovery or protective effect at this time point following the initial infection with SARS-CoV-2. Age was ...

Abstract: We present experimental results of a novel time-varying antenna to broadcast very-low-frequency (VLF, 3–30 kHz) signals. The antenna consists of a 275-m-long dipole interrupted with a ...

Northrop Grumman is now set to integrate a Collins Aerospace very-low-frequency (VLF) antenna and deployment system with three government-furnished EMD E-130Js. The E-130Js will also require ...

The Bermuda Airport Authority announced a project to replace the antenna used by the aircraft surveillance radar facility at the LF Wade International Airport. A spokesperson said, “The Minister ...

The primary outcome was HRV, measured through RMSSD (a time-domain measure of parasympathetic activity) and HF-HRV and LF/HF ratios (frequency-domain measures). The hypotheses were: Mindfulness ...

Our food writer whips up three square meals (plus dessert!) in this one lil' sauté pan. Read the full review here. Our editors independently select these products. Making a purchase through our ...

SpaceX just announced a new version of its Starlink satellite internet antenna that's small enough to fit in a backpack. The Starlink Mini is a portable kit designed to provide access to the ...

those transmitted on high frequency (HF) radio via the High Frequency Global Communications System (HFGCS). SOLLY67 (E-6B TACAMO) slinging a VLF wire antenna over the Atlantic this evening ...