How to determine the right omnidirectional antenna for the job

So you want an omnidirectional antenna.  Should be easy to find what you need, right?  

Maybe, but probably not -- without a fair amount of...

Ahead to the past - Tactical Communications after SATCOM is denied

Have you wondered why the US is said to need a Space Force?    There is little dispute that critical space-based systems are the backbone of our...

Converting AOAs to LOBs -- a DF & compass game

Radio direction finding (DF) is all about the angles...lots of them.  Different conventions apply, specifics of implementation matter, and the...

Tempest in a teapot -- what can SKARAB reveal for you?

Summer in the northern hemisphere is a great time to view the constellation Sagittarius by looking south and left of the bright band of the Milky...

Pilgrimage #3 - SRT, a treasure in the heart of Sardinia

I'm beginning to think my childhood interest in astrophysics was an itch that should have been scratched harder.   Case in point is my recent...

Open Letter to CW2 Patrick Derr, US Army EWWT

September 2017's issue of the AOC's Journal of Electronic Defense contained a surprisingly revealing article by US Army CW2 Patrick Derr,...

Busting Watson Watt DF ambiguity - maths edition

A previous blog post introduced the hybrid loop-Adcock antenna, which, in a crossed configuration, is excellent for Watson Watt (WW) radio...

Mashup of classic DF antennas - 1000X better!?

One early DF antenna innovation that stands the test of time is delineated in Frank Adcock's British Patent 130,490 entitled "Improvements in...

The key to RPAS, UAS and drone detection

Drones are all the rage.  These amazing machines offer fun capabilities like aerial photography and videography -- even racing! However, they can...

So how do you measure J/S anyway?

It is suprisingly simple to measure jamming (J) to signal (S) ratio, once you get your head around the implications of the J/S equation.  Ends up...

How much J/S do you REALLY need?

Electronic warfare is making the news a lot lately. Not only do our adversaries employ, or seek to employ, sophisticated capabilities, the US ...

Can collaboration solve your antenna sourcing challenge?

Program Managers, CTOs, Chief Engineers and Solution Architects: Listen up!

You can boost your team, schedule and efforts by simply contacting...

10 times better - Adaptive antenna bake-off revealed

A previous blog post asked: if you could get up to 10 dB improvement in omnidirectional antenna gain for a given size wideband antenna, would...

Rubber beats steel...for manpack antennas, anyway

Manpack antennas that lack flexible connections to electronics housings are destined for short lifetimes.  The rigors of real-world...

+10 (dB) reasons to adopt adaptive antennas

If you could get up to 10 dB improvement in omnidirectional antenna gain for a given size wideband antenna, you'd design your radio to take...

How much DF sensitivity do you REALLY need?

When evaluating relative merits of a direction finding system, most folks focus on 'accuracy,' which is generally a measure of the quality of the...

How much antenna gain do you REALLY need?

Customers often ask us to help select antennas to assure sufficient range of their wireless communication systems.   Providing an answer though...

How much DF accuracy do you REALLY need?

Practitioners of radio direction finding (DF) focus on optimizing line of bearing accuracy to emitters. Presumably, the smaller the RMS of the...

Five essential antenna specs to accelerate discovery

Antennas are multi-parametered beasts. When you send an RFQ or seek a new antenna solution, the response almost always requires us to ask...

Pilgrimage #2 - DRAO, Canada's spot for radio astronomy

Promoting the SKARAB FPGA supercomputer is taking me to interesting and beautiful places in the world; like the Penticton area of British...

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