There was a time when only the richest ham radio operators could have a radio with a panadapter. Back in the day, this was ...
Abstract: In this letter, we propose multi-antenna based spectrum sensing methods for cognitive radios (CRs) using the generalized likelihood ratio test (GLRT) paradigm. The proposed methods utilize ...
Some two-way radio operators in Fayette County and surrounding areas can now see their messages go out a little farther. The Uniontown Amateur Radio Club recently installed a repeater that expands the ...
KSLPS Frequency of repeater: 444.7625 (to listen), 449.7625 (talk to repeater), PL code 162.2 All licensed amateurs welcome to use that repeater. *** COLUMBIANA — Columbiana is one of only a handful ...
Abstract: Finding an efficient way for underwater communication with a portable antenna at very low frequency (VLF 3–30 kHz) is challenging since the conventional electrical antennas require the size ...
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