Digital Modes Notes

References:

Be careful of the publishing date if you are interested in recent developments like D-Star.

ARRL’s HF Digital Handbook 2008; ARRL’s VHF Digital Handbook 2008

Web Sites:

The most often cited pages on interfaces: http://www.qsl.net/wm2u/interface.html

Note! An unshielded transformer or an improper shield connection may CAUSE hum, buzz, and RFI! …

properly wired cables can connect anything to anything, without transformers, interface boxes, or optical isolators http://www.audiosystemsgroup.com/HamInterfacing.pdf

Sights and Sounds of different modes: http://www.w1hkj.com/FldigiHelp-3.12/Modes/index.htm

FLDigi: http://www.w1hkj.com/download.html

Multi-PSK: http://f6cte.free.fr/index_anglais.htm

West Mountain Radio Tips: http://www.westmountainradio.com/optipsrb.htm

General Links: http://www.westmountainradio.com/links.htm

RFI: http://www.audiosystemsgroup.com/publish.htm

Groups:

D-Star open source (not needing Icom) repeater and digital voice software:

http://groups.yahoo.com/group/dstar_development/

APRS and SAR: http://groups.yahoo.com/group/SAR_APRS/

All of the programs have their own groups:

• http://groups.yahoo.com/group/name of the group/):
• multipsk:   Please visit this group if you have questions about MULTIPSK
• digitalradio: General conversation about digital modes and all related software

http://groups.yahoo.com/group/win-fldigi/ http://groups.yahoo.com/group/AGWTracker/