'25 khz' presentation slideshows

SUBELEMENT T5 [4 Exam Questions - 4 Groups]

1.04k views • 103 slides

Chapter 1 Introduction

Chapter 1 Introduction. What is Amateur Radio?. Section 1.1 contains a lot of interesting background & introductory material. Read it at your leisure. Not covered in class. No questions over this material. The FCC and Licensing. Why Get a License?

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Technician Licensing Class

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Emerging Technology Development for Multimedia Communications

Emerging Technology Development for Multimedia Communications. John Pang Yu Ph. D. Managing Director The Emerging Technologies Cooperative, Inc. Menlo Park, California USA National Taipei University of Technology, Taipei, Taiwan. Table of Contents (Continued).

626 views • 47 slides

Physical Layer (Part 2) Data Encoding Techniques

Advanced Computer Networks C13. Physical Layer (Part 2) Data Encoding Techniques. Interpreting Signals. DCC 9 th Ed. Stallings. Data Encoding Techniques. Digital Data, Analog Signals [ modem ] Digital Data, Digital Signals [ wired LAN ] Analog Data, Digital Signals [ codec ]

598 views • 46 slides

Technician License Class

Technician License Class. Review Radio Signals & Electricity. System of Metric Units. Tera T 10 12 1,000,000,000,000 Giga G 10 9 1,000,000,000 Mega M 10 6 1,000,000 Kilo k 10 3 1,000 Basic Unit 10 0 1 Milli m 10 -3 0.001 Micro ? 10 -6 0.000001

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System Design Features of AM(R)S DSB-AM System

Lecture 2.5. Module 2. AVIATION TELECOMMUNICATION SYSTEMS Topic 2.5. Air and Ground Aviation communication Systems of Direct Visibility.

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479 views • 38 slides

Emerging Technology and Development for Multimedia over IP

Emerging Technology and Development for Multimedia over IP. Tsang-Ling Sheu, Professor Dept. of Electrical Engineering National Sun Yat-Sen Uinversity Kaohsiung, Taiwan. Introduction To Conventional Communication Technological Concepts. Transmission Line Loss, Echoes, Delay, Gain

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Technician License Course Chapter 2 & 3 Basic Math Practice

473 views • 33 slides

Impedance Measurement System for Determination of Capacitive Electrode Coupling

Impedance Measurement System for Determination of Capacitive Electrode Coupling. IEEE TRANSACTIONS ON BIOMEDICAL CIRCUITS AND SYSTEMS, VOL. 7, NO. 5, OCTOBER 2013

412 views • 32 slides

Training Course

Training Course. Introduction to SmartScan. Smart Scan 25. Solid Scan. SmartScan 25 is a four?wire, low?voltage device, and is available with a customized graphic LCD display. SmartScan has two major components: The main control unit The sensor (connected via a cable). . Electronic.

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5th Annual Virginia Interoperable Communications Conference

5th Annual Virginia Interoperable Communications Conference. September 30-October 1, 2008 Norfolk, VA. Interoperability for State and Local Executives and Planners A discussion on why interoperability is important to the non-practitioner September 30, 2008 2:30pm

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NAT NPX136D

NAT NPX136D. Cover Slide. P25 Aviation Radio Training, Introduction to the NPX136D-070 P25 Digital Airborne Radio Presented by National Interagency Fire Center, Edmo Distributors Inc. and Northern Airborne Technology Ltd. March 10-14, 2008 Oxford Suites Hotel, Boise, Idaho.

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International Air Transport Association

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Narrowbanding : What is it and and How Will it Affect Me?

Narrowbanding : What is it and and How Will it Affect Me?. What is Narrowbanding?. FCC mandated process to require a channel efficiency of 1 voice channel per 12.5 kHz of spectrum for all users operating between 150-174 and 421-512 MHz.

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International Air Transport Association

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700 MHz Interoperability Channel Spacing

700 MHz Interoperability Channel Spacing. NCC March 22-23, 2001 Washington, DC. 25 kHz = 4 x 6.25 kHz. Original FCC Band Plan. 12.5 kHz. RESERVE. I/O. RESERVE. RESERVE. What 4 th R&O gave us. 12.5 kHz. General Use. I/O. State Block. RESERVE. Concern about

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Correlator Specifications

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FCC Narrowbanding Overview

FCC Narrowbanding Overview. What is a radio channel? What is narrowbanding? What are the FCC deadlines?. The Radio Spectrum. Land Mobile Radio Channels. Channels licensed at 25 kHz bandwidth. 25 kHz. 25 kHz. Center Frequency 462.4750 MHz. Center Frequency 462.5000 MHz.

181 views • 8 slides