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Getting Started in APRS
Getting Started in APRS

Getting Started in APRS - PowerPoint Presentation

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Getting Started in APRS - Description

WCARES University April 12 2014 What is APRS Automatic Packet Reporting System Amateur radio based real time tactical communications for the local area Developed in 1982 to map HF Navy position reports ID: 541323 Download Presentation

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Presentation on theme: "Getting Started in APRS"— Presentation transcript

Slide1

Getting Started in APRS

WCARES University

April 12, 2014Slide2

What is APRS?

Automatic

Packet

Reporting SystemAmateur radio based, real time tactical communications for the local areaDeveloped in 1982 to map HF Navy position reports

APRS is a registered trademark of Bob

Bruninga

, WB4APRSlide3

Capabilities

See who is in range

Track an operator’s position

Find out repeater frequencies, tones, and net times in a new cityCheck and send messages in Winlink

Send text messages via RF and the InternetDisplay weather alertsShare bearings and signal strengths for DF

Identify gaps in Search and Rescue operationsSlide4

Limitations

Packet collisions and finite bandwidth

No error correction

Packet delivery not guaranteedSome objects aren’t “listening”Reliability decreases with 60-120 usersSlide5

Why APRS?

Supplement voice channels during emergencies or special events

Friends and family can find you when their phones are down

Ever pass an antenna strewn vehicle and wonder how you can talk to them?It’s a great way to learn about VHF propagation*Slide6

How Does in Work?Slide7

Scenario 1 – New In Town

“144.50 PL 123.0

Net Tue 7PM”Slide8

“144.50 PL 123.0

Net Tue 7PM”

Scenario 1 –

New In TownSlide9

Scenario 1 – New In Town

With the APRS-IS tie-in, you can identify ham assets in advance of your trip.Slide10

“K7DCC-9: Monitoring 146.20”

Scenario 2 – K7DCC MonitoringSlide11

“K7DCC-9: Monitoring 146.20”

Scenario 2 – K7DCC MonitoringSlide12

“K7DCC,this is KK4LNO…”

Scenario 2 – K7DCC MonitoringSlide13

TO: K7DCC

Scenario 3 – Text MessageSlide14

TO: K7DCC

Scenario 3 – Text MessageSlide15

Scenario 4 – Fox HuntSlide16

Scenario 4 – Fox Hunt

“180 degrees”

“300 degrees”

“45 degrees”

“80 degrees, low strength”Slide17

Scenario 4 – Fox Hunt

“180 degrees”

“300 degrees”

“45 degrees”

“80 degrees, low strength”Slide18

Scenario 4 – Fox Hunt

“180 degrees”

“300 degrees”

“45 degrees”

“80 degrees, low strength”Slide19

How Do I Get Started?

Checkout the WCARES.org APRS Special Interests Section

Cost

CapabilitiesSlide20

Hardwired Cell

*Slide21

Bluetooth TNC Adapter

*Slide22

* The Difference the Antenna Makes

4W HT Sitting in the Passenger Seat

The same HT hooked up to a VHF antenna outside the vehicle.Slide23

Mapping/Tracking

Programs I Can Recommend

APRSISCE/32

APRSDroidXastirSlide24

APRSISCE/32Slide25

APRSDroidSlide26

Virtual TNCs

Dire Wolf

AGWPESlide27

APRS.fiSlide28

Deadspots

– We Need Your HelpSlide29

For More Information

Mobilinkd.com

WCARES.org

APRS.orgAPRS Beginner’s Guide http://k9dci.home.comcast.net/An example of regional coordination

http://www.nwaprs.info/ Slide30

Questions?Slide31

Extra Credit

Voice Alert

Frequency Agile Operation

Send a short email through Winlink WLNK-1 SMS sam@iam.com

A short message to Sam