Accurate estimation of the ionosphere is essential for reliable Global Navigation Satellite System (GNSS) positioning, timing, and space weather applications. A key challenge lies in converting slant ...

Accurate smartphone positioning in dense urban environments remains challenging due to signal blockage, multipath effects, and unreliable satellite visibility. This study presents a new positioning ...

Douglas Rooks has been a Maine editor, columnist and reporter for 40 years. The author of four books, his new study of the Ken Curtis administration is due in the spring. He welcomes comment at drooks ...

If Em Dash shortcut is not working in Word, employ the Universal Alt Code, create a Foolproof AutoCorrect Entry, etc.