'Digital modes' presentation slideshows

951 views • 80 slides

697 views • 47 slides

Receiver Metrics: Theory and Practice

Receiver Metrics: Theory and Practice. Intermodulation and the 3 rd Order Intercept Point. Carl Ferguson, W4UOA. John Drum, W4BXI John Krupsky, WA5MLF. Recent Advertisement. Example Receiver Types & Specs.

773 views • 39 slides

Basic Concepts

Basic Concepts. Of Medical Instrumentation. Block diagram of a generalized instrumentation system. The Bourdon Gauge. Block diagram of the pressure gauge based on Bourdon tube. Outputs. Signal. Signal. Data. Sensor. conditioning. processing. displays. Measurand. Feedback. Data.

1.47k views • 37 slides

Digital Communications

492 views • 33 slides

Amateur Radio HF Digital Communications

571 views • 33 slides

Amateur Radio HF Digital Communications

580 views • 33 slides

448 views • 28 slides

George Heron, N2APB

388 views • 28 slides

HF Digital Modes

529 views • 26 slides

Introduction to Meteor Scatter Operation

Introduction to Meteor Scatter Operation. by Marc C. Tarplee, Ph.D. N4UFP. Meteor Scatter Theory. Introduction. The earth is bombarded 24/7 by small meteors They generally arrive from a variety of directions They arrive with random velocities reaching up to 70 km/sec (45 mi/sec).

388 views • 25 slides

Introduction to Meteor Scatter Operation

Introduction to Meteor Scatter Operation. by Marc C. Tarplee, Ph.D. N4UFP. Meteor Scatter Theory. Introduction. The earth is bombarded 24/7 by small meteors They generally arrive from a variety of directions They arrive with random velocities reaching up to 70 km/sec (45 mi/sec).

664 views • 25 slides

Digital Modes

544 views • 25 slides

Getting Started in Digital Contesting

349 views • 24 slides

Getting Started in Digital Contesting

336 views • 24 slides

Radio in the Digital Age

Radio in the Digital Age. Steven F. Goldberg, W3SFG. Radio in the Digital Age Series Outline. Part 1: Internet Operating Aids Part 2: Survey of Digital Operating Modes Part 3: Internet Resources and Databases Part 4: Software Applications http://w3sfg.net/resources/.

449 views • 22 slides

Digital Modes

Digital Modes. What Are Digital Modes. Conversational (non-voice) Person to person Interactive Non-Voice keyboard to keyboard Not file driven Software driven Computer / Soundcard enabled Low bandwidth (mostly). Digital Modes - Advantages. Low bandwidth Low power requirements

463 views • 21 slides

Radio Signals

Radio Signals. The purpose of radio communications is to transfer information from one point to another. The information to be sent is combined with a radio wave (the carrier wave). This process is called modulation.

305 views • 19 slides

The BeagleBrick

242 views • 15 slides

Interference

Interference. Presentation by KK8O NARA Meeting on 14 March 2009 Format MS PowerPoint 2007. Interference. Why Does this always happen to me. Now, How do I rid myself of this problem?. Interference from Ham Radio.

249 views • 9 slides