Cavity Filter Thermal Drift Effects on Adjacent Channel Rejection in High Duty Cycle LMR Sites

Thermal Stress in Modern Public Safety RF Sites High duty cycle LMR sites increasingly operate inside shared RF environments that combine P25 trunked systems, conventional mutual aid channels, utility radio systems, microwave equipment, and broadband public safety services. The result is a higher continuous RF load on passive infrastructure than many legacy sites were originally

May 26, 2026 No Comments

Antenna Isolation Degradation Between Adjacent Public Safety Arrays During Tower Loading Expansion

Tower Loading Expansion and Isolation Margin Reduction Public safety tower sites are carrying more RF systems than their original antenna plans anticipated. Regional P25 systems, conventional mutual aid channels, utility radio networks, microwave paths, cellular broadband equipment, and in building donor antennas are often added over multiple budget cycles. Each addition changes the physical and

May 21, 2026 No Comments

The Role of Code in Optimizing Telecommunications Equipment

The Role of Code in Optimizing Telecommunications Equipment Optimized code plays a crucial role in enhancing the performance and reliability of the future of telecommunications equipment. At the core of this optimization lies code and software engineering. These elements play a pivotal role in enhancing the efficiency, responsiveness, and overall functionality of telecommunications hardware. This

September 30, 2024 No Comments

Security Part Deux: Part 6 of Rick Moore’s Blog Series

Security Part Deux Hi everyone and welcome back to my next installment of a strange IT guy in a strange land. Wait, or is that a newb traversing the oft confusing landscape that is LMR (Land Mobile Radio)? Naw not a newb anymore, more like a level 1 helpdesk tech who is simply happy to

August 17, 2023 No Comments

Can Traditional Cyber Strategies Be Used In the LMR World? Part #5 of Rick Moore’s Blog Series

Come with me and you’ll be in a world of merging network infrastructures…. You know you are singing it now, right? You are welcome! Just a little gift from me to you. So, over the past few weeks I have been working my Zero Trust Network solution for my little corner of the world.

July 10, 2023 No Comments

Know Your Audience: Part Four of IT Manager Rick’s Dive into the RF World

Know Your Audience Have you ever sat in a conference or keynote and the presenter just talks at such a “high level that you are lost? I just happened to attend a seminar at a local ISA tech conference that was on Cyber Security and operational technology (OT) systems. Now there were 15 people in

June 23, 2023 No Comments

Where to Begin?: Part 3 of Ricks Guide to LMR for the IT world.

Where to Begin? When I first got into IT support, I worked on a helpdesk. These were the halcyon days of simple, mostly boiler plate responses and the occasional site visit (If you know the reference, where this phrase came from, I think we will be BFFs). Then I got it in my mind

June 8, 2023 No Comments

What’s your handle?: Part 2 of Rick Moore’s Deep Dive into LMR

What’s your handle? When I was on my first in-person interview at TX RX, I was asked what I knew about TX RX and the products we made. Of course, being prepared for my interviews, I spouted off information from their web site, talked about the TTA’s, duplexers and other RF components. How they are

May 31, 2023 No Comments

Many Hats: Our IT Manager Rick Moore’s Take on His Job and the LMR market Part 1.

May 19, 2023 No Comments

Blog

Cavity Filter Thermal Drift Effects on Adjacent Channel Rejection in High Duty Cycle LMR Sites

Antenna Isolation Degradation Between Adjacent Public Safety Arrays During Tower Loading Expansion

The Role of Code in Optimizing Telecommunications Equipment

Security Part Deux: Part 6 of Rick Moore’s Blog Series

Can Traditional Cyber Strategies Be Used In the LMR World? Part #5 of Rick Moore’s Blog Series

Know Your Audience: Part Four of IT Manager Rick’s Dive into the RF World

Where to Begin?: Part 3 of Ricks Guide to LMR for the IT world.

What’s your handle?: Part 2 of Rick Moore’s Deep Dive into LMR

Many Hats: Our IT Manager Rick Moore’s Take on His Job and the LMR market Part 1.

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Cavity Filter Thermal Drift Effects on Adjacent Channel Rejection in High Duty Cycle LMR Sites

Antenna Isolation Degradation Between Adjacent Public Safety Arrays During Tower Loading Expansion

Multicoupler Dynamic Range Compression in High Density Public Safety Receive Sites Under Hybrid LMR and Broadband Loading

Shared Infrastructure Expansion Across Public Safety Networks

Intermodulation Distortion in Hybrid LMR and LTE Sites: RF Performance Risks in Dense Public Safety Systems

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