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Author: Justin Blair

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Justin Blair

  • Laptop connected to Wi-Fi while a router and modem are checked for internet access
    Network Performance

    Wi-Fi Is Connected but Not Working: A Step-by-Step Fix

    Wi-Fi is connected but not working? Compare another device, check the IP address, gateway, DNS, router WAN, modem, and outage…

    Justin Blair

    June 10, 2026
  • ATSC DVR connected to a VHF and UHF antenna through one coax path
    Broadcast Bands

    ATSC DVR Setup for VHF and UHF TV Channels

    Learn how to connect an ATSC DVR to a VHF/UHF antenna, identify each station’s physical RF band, choose 75-ohm coax,…

    Justin Blair

    June 9, 2026
  • UHF and VHF antenna elements for television reception
    Broadcast Bands

    UHF TV: UHF vs. VHF for Television Reception

    UHF TV: Learn how UHF and VHF TV channels differ in frequency, wavelength, antenna elements, and reception around terrain and…

    Justin Blair

    June 9, 2026
  • Diagram explaining the difference between 5 GHz and 2.4 GHz Wi-Fi channels
    Wi-Fi Channel Planning

    What Is the Best Channel for 5 GHz? A Local Test Guide

    What is the best channel for 5 GHz? Learn the difference between 5 GHz and 2.4 GHz, compare range and…

    Justin Blair

    June 9, 2026
  • Directional TV antenna mounted on a mast pole with secured coax cable
    Antennas And Placement

    TV Antenna Mast Pole: Choose, Build, and Aim for Strong Reception

    Use a TV antenna mast pole to match height, wind area, direction, and cable routing. Learn how a high-gain TV…

    Justin Blair

    June 8, 2026
  • Combined VHF and UHF antenna with different-sized receiving elements
    Broadcast Bands

    VHF UHF Antenna Guide: What It Covers and How to Choose

    Choose a VHF UHF antenna with confidence: compare VHF and UHF frequency coverage, element design, gain, connectors, feed line, and…

    Justin Blair

    June 8, 2026
  • Testing 4G rural internet signal at a rural home
    Rural Broadband

    Choosing unlimited 4G rural internet for a rural home

    Test unlimited 4G rural internet at your property, compare evening speeds and latency, and check data caps, throttling, hotspot limits,…

    Justin Blair

    June 8, 2026
  • 75-ohm coaxial cable with an F-type connector beside a coax tester
    Coax And Signal Chain

    75-ohm Coaxial Cable With F-Type Connectors: A Test Guide

    Learn how to match 75-ohm coaxial cable with F-type connectors, terminate it cleanly, and use a coax tester to find…

    Justin Blair

    June 7, 2026
  • CB, ham, and AM frequency ranges shown on a shared spectrum scale
    Radio Spectrum Basics

    What Frequency Is CB Radio? CB, Ham Radio, and AM Ranges

    What frequency is CB radio? In the U.S., CB channels span 26.965–27.405 MHz; ham radio uses many bands, while the…

    Justin Blair

    June 7, 2026
  • Router lights blinking on an AC1750 router with WAN, Wi-Fi, and Ethernet indicators
    Router And Access Points

    Router Lights Blinking? Find Your Router’s Home IP Address

    Router lights blinking? Learn what power, WAN, Wi-Fi, and Ethernet indicators mean, find your router’s home IP address, and check…

    Justin Blair

    June 7, 2026
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Categories
  • Antennas And Placement (23)
  • Broadcast Bands (16)
  • CB, GMRS And Ham (15)
  • Cellular Internet (2)
  • Coax And Signal Chain (11)
  • Connection Quality (20)
  • Digital TV Troubleshooting (12)
  • FCC And Part 15 (1)
  • Fixed Wireless (1)
  • Network Performance (10)
  • Radio Spectrum Basics (5)
  • Router And Access Points (21)
  • Rural Broadband (1)
  • Signal Diagnostics (6)
  • Towers And Backhaul (2)
  • Wi-Fi Channel Planning (9)
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Editors Pick
  • Understanding the Width of a 65-Inch TV

    Understanding the Width of a 65-Inch TV

  • Discovering the Best Phone Case Brands

    Discovering the Best Phone Case Brands

  • Understanding Nationwide Internet Outages

    Understanding Nationwide Internet Outages

  • 65-inch TV width illustration
    Broadcast Bands

    Understanding the Width of a 65-Inch TV

Interference Zones

Reference notes on signals, infrastructure, media systems, and the places where information gets noisy.

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Latest Posts

  • Understanding the Width of a 65-Inch TV

    Understanding the Width of a 65-Inch TV

  • Discovering the Best Phone Case Brands

    Discovering the Best Phone Case Brands

  • Understanding Nationwide Internet Outages

    Understanding Nationwide Internet Outages

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