U.S. Army officials seek to replace the commonly used device. For decades, the U.S. Army has relied on the ubiquitous whip antenna for an array of air and ground communications, but those antennas ...
The author is a consultant in Carterton, New Zealand. This follows up his December article “Tuned Bandpass Filter Is Solution to Backup STL.” Many years ago, the active whip antenna and the active ...
Designing the circuit for this antenna to be telescopic makes it collapsible where it can be extended to its full length or retracted to a small length for storage portability. It may consist of a ...
Standard whip or rubber duck antennas are extremely common due to their low cost and design simplicity. They work very well for long range transmission when the orientation doesn’t change and ...
With the 700 MHz. auctions now underway (and about $11.5B bid so far), I’ve been asked a number of times if the introduction of 700 MHz. subscriber units will mean the return of the telescoping, ...
The Flexi-Whip Antenna System from STI-CO is made with a flexible whip with memory that will bend but will not break. It can even be tied into a knot, and it will return to its original shape when ...
In the recent past, we've seen outfits that incorporate bio-sensors and batteries, and even a bikini with integrated solar cells. One of the latest innovations in smart fabrics, however, allows a ...
QuickerTek said on Wdnesday that it has improved the signal strength and range of its Whip antennas for PowerBooks with the introduction of new high-gain models. Selling for US$99.95, the updated ...
[David], DL1DN, is an Amateur Radio enthusiast with a penchant for low-power (QRP) portable operations. Recently he was out and about, and found that 10 m propagation was wide open. Not discouraged by ...
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