SCTE Technical Columns: Communications Technology Article Index



Official archives of articles and columns written by Ron Hranac for Communications Technology and some of its sister publications, published by Access Intelligence, LLC. Reprinted with permission of the author.

2003 2009
2004 2010
2005 2011
2006 2012
2007 2013


January: Mid-Day Report Ron's SCTE Cable-Tec Expo Wrap-Up

February: Understanding Real World MER Measurements (Part 1)1Q12 Communications Technology

March: Untangling Some of the Confusion

May: Understanding Real World MER Measurements (Part 2) 2Q12 Communications Technology; A Leak Is A Leak…Or Is It? Mid-Day Report

July: The Antenna Factor 3Q12 Communications Technology

August: Even More On LTE Interface

October: Spectral Efficiency 4Q12 Communications Technology

November: What is OFDM? Mid-Day Report


January: Understanding Constant Power-Per-Carrier

February: What’s A Codeword Or Two Among Friends? ; ‘Did You Know?’Q&A Wrap-Up: Hranac Tackles The Tough Ones Feature

March: Our Old Friend CNR

April: Digital Proofs or Not: (Part 1)

May: Digital Proofs or Not: (Part Two)

June: Just How Strong is that Ingress?

July: dBmV: Voltage or Power? (Part 1)

August/September: dBmV: Voltage or Power? (Part 2)

October: Some Thoughts on LTE Interface

November: Some Thoughts on LTE Interface (Part 2)

December: What is RF? It's Like Magic


January: Is MER Overrated?

February: F Connector Tightness

March: Velocity of Propagation

April: Total Power and Channel Bonding

May: A Quarter Century of Words

June: Digital Levels in the Aeronautical Bands

July: When Digital Really Is Analog and Other Things You May Not Know

August: Total Power and Channel Bonding: A Follow-Up Lesson

September: Update: The Interference Report Card

October: A Novel Approach to Troubleshooting LInear Distortions

November: Why Use Terminators?

December: Cable-Tec Expo Show Pics


January: DTV Transition

February: Signal Leakage in an All-Digital Network

March: Report Card: Making the HDTV Plunge

April: Another Look at Upstream 64-QAM

May: Signal Leakage in an All Digital Network: The Continuing Story; "QAM Signals on Spectrum Analyzers" feature

June: It's a 'Green' Thing

July: Upstream CNR

August: Making MER Better: Part 1

September: Making MER Better: Part II

October: Happy Birthday SCTE!

November: What is a Micro-Reflection?

December: Cable-Tec Expo Show Picks


January: Chemistry Class

February: RF CNR vs Baseband Video SNR

March: Transient Voltage Surge Suppression

April: Silly Cable Tech Terms

May: The Grounding Effectiveness at RF

June: The Mathematics of Field Strength Measurements

July: Finding Spectrum for Channel Bonding

August: Cable-Tec Expo Show Picks

September: How Fast is RF?

October: Total Power

November: Total Power Part 2

December: Counting Channels


January: Modulation Error Ratio

February: Equalized or Unequalized That is the Question

March: SCTE Active Status

April: Upstream 64-QAM Success Story

May: What's a QAM?

June: Big Numbers and Small Numbers; Digital Transmission, Part 1Part One feature, Currivan/Hranac paper

July: The Need for Speed; Digital Transmission Part 2 feature, Currivan/Hranac paper

July: The Need for Speed

August: Cable-Tec Expo Show Picks; DOCSIS 3.0: How to Weigh the Costs and Benefits feature, Bob Loveless

September: What's Your CNR?

October: A Closer Look at BER Part 1

November: A Closer Look at BER Part 2

December: Service Availability


January: Those Pesky Bit Errors

February: VolP Service Calls

March: DOCSIS 30

April: CMTS Upstream SNR Revisited

May: Cable Modem Upstream Signal Levels

June: More on Cable Modem Upstream Signal Levels; Digital Troubleshooting, Part 1 feature

July: Self Terminating Taps and Micro-reflections; Troubleshooting Digitally Modulated Signals, Part 2

August: Expo Show Picks

September: One for the X-Files

October: The Power of QAM

November: Migrating to All Digital

December: Migrating to All Digital Part 2


January: Signal Leackage and the VolP

February: Confessions and a Great Customer Service Story

March: Does Cable Need Its Own Geek Squad?

April: Advanced PHY

May: 450,000 Words Later...

June: Online Resources

Linear Liniear Distortions, Part 1

August: Expo 2005 Show Picks; Linear Distortions, Part 2 feature

September: Downstream Power Measurements

October: Return Loss

November: Self Installs: Necessary Evil or Unnecessary Evil?

December: Impedance Mismatches and Reflections


January: Losing the Last Mile War

February: Farewell, Memories and Western Show Picks

March: Microreflections and 16-QAM

April: Power and Grounding

May: Tackling Serious Ingress

June: Digitally Modulated Carrier CNR

July: Wi-Fi Security

August: Expo '04 Show Picks

September: Making the Best Better

October: VolP Reliability

November: Deploying VolP Reliability on the Outside Plant Part 2

December: BPL: The New Kid on the Block


February: Broadband Plus Show Picks

March: CNR Versus SNR

April: Interference Report Card

May: DOCSIS Set-top Gateway

June: A Trip to the Library

July: Expo '03: Broadband Engineering Looks Fit in Philly

August: Frequency Offsets

September: Spectrum Analyzer CNR Versus CMTS SNR

September: More on CMT SNR

November: IP Train

December: Wordsmith