Tag Archives: JTRS

Apache Helicopters Engage Taliban Fighters: The Need To Strengthen C2ISR

This LiveLeak video is an outstanding example on the importance of our rotary wing assets, particularly in asymmetric conflicts. It illustrates the challenges faced by forces as they attempt to coordinate engagements. As the video chronicles, ground forces with visibility of insurgents, unavailable to … Continue reading

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SRW on Falcon III AN/PRC-117G

SRW or Soldier Radio Waveform is a byproduct of the Joint Tactical Radio System (JTRS) initiative.      SRW runs under software control on a software definable radio or SDR. SRW is a wide-band communications architecture providing concurrent voice and data communications along … Continue reading

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Harris Communications Will Be Supplying Falcon III Radios To USSOCOM.

As part of CERP, Capital Equipment Replacement Program, USSOCOM has awarded Harris Communications a $400 million IDIQ contract for delivery of its Falcon III family of radios. The FALCON III family provides USSOCOM with a networkable and integrated communications platform consisting … Continue reading

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Thales Adds GeoMux To Its SDR Software Library

Readers will recall my series of articles, posted early in 2011, providing a high level overview of the technology supporting the Joint Tactical Radio System (JTRS) program. It was then that I introduced the concept of the software definable radio … Continue reading

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Is JTRS Dead? NO!

There’s a great deal of discussion about JTRS’ well-being, or better said life expectancy. I think we need to take a step back and look at JTRS as a requirement and not a specific product. The U.S. Army, and in … Continue reading

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US Army’s AH-64D Apache Avionics Integration Program Gets JTRS

Lockheed Martin delivered the first secure joint tactical radio to US Army’s AH-64D Apache Avionics Integration Lab. The airborne, maritime / fixed station joint tactical Radio System, or AMF-JTRS as it is called, is a two channel radio running the Link … Continue reading

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Reader Question (JTRS) – Could You Explain What IPv6 is?

Devices that connect to the Internet or wide area networks require a unique address, very similar to your mailing address at home. Under the current IP or Internet Protocol standard, version 4 or IPv4, there are not sufficient addresses to … Continue reading

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Wrapping Up JTRS

Boeing’s GMR At the heart of the JTRS project is the concept of a software definable radio or SDR. The SDR is a hardware form much like your laptop; consisting of a processor or processors with its supporting circuitry – like memory, codecs, … Continue reading

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JTRS – Continued

In my opening article I wrote briefly about modulation to include FM (Frequency Modulation) and AM (Amplitude Modulation). I also discussed PCM (Pulse Code Modulation), which is in the digital domain. Virtually all  modern military communications equipment operate in the … Continue reading

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Reader Question Re: JTRS – What is a Software Definable Radio?

This is jumping the gun as I’m still developing the JTRS articles, so hang with me as we develop this relatively complex technology and synthesize it into something that is digestible by a non-technical reader. The Joint Services presently own … Continue reading

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JTRS – Joint Tactical Radio System An Overview.

This post kicks off my JTRS project. My objective is to give the reader a 50,000 ft. MSL view of an emerging communications technology and the role it plays in the netcentric battlefield. The concept of a software defined radio is hardly … Continue reading

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Things To Come…

A few months ago I talked about doing some work on JTRS and the netcentric concept. I became interested in the subject because I am an X-ELINT type and want to gain a better than casual understanding of the technology. More importantly, understanding the … Continue reading

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JTRS Project

I spent a large part of my military career conducting SIGINT and COMINT and there’s probably not much in the r.f. spectrum through Ku band that eludes me; I also have a thorough understanding of the IP stack and routing.  A few … Continue reading

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