packet 232

Building the T2FD Antena - Building the Balanced Termination Folded Dipole

NC7J Cluster - NC7J Web Cluster running CLX packet cluster

FADCA - The Florida Amateur Digital Communication Association Promoting packet radio in the State of Florida

MaxPak Midlands AX25 Packet Radio User Group - One of the oldest Packet Radio groups in the UK

KRG Kidderminster Repeater Group - A non-profit organisation responsible for the maintenance of the GB3KD 144MHz VOIP Repeater, and KidderLink simplex gateway, plus the KIDDER packet radio node and GB7PZT bulletin board system.

Downtown Amateur Packet Radio - Amateur Radio Club Dedicated to the Digital Modes of Communication

Guernsey Packet Group - Totally Independent Packet Group

GC Telecomar - Maker of Smart Tracker, APRS Beacon, APRS Tracker, packet radio modem, aprs telemetry interface module

Automated Packet Reporting System - Hak5 Episode 608 – Automated Packet Reporting System

APRS.org - Official Automatic Packet Reporting System by Bob Bruninga, WB4APR

APRSISCE/32 - APRSISCE/32 is an Automatic Packet Reporting System (APRS) program, primarily intended for Windows and Windows Mobile (CE), although it will run on Linux and Mac OS under wine. Offer enhanced messaging, announcement support via ANSRVR, and QRU for object query support, can run as a highly configurable Digipeater

LinPac packet radio terminal - Linpac is an extensible Linux packet terminal that supports easy access to concurrent connections (streams), PBBS/FBB forwarding, and support for adding external commands

PocketPacket Mac OS - PocketPacket started as an APRS client for iPhone/iPod Touch/iPad devices, but is also available for the Mac desktop or laptop. PocketPacket incorporates a software-based TNC, allowing you to directly capture and visualize, or encode and transmit 1200 baud packets (AFSK modulation) using a VHF radio transceiver.

Xastir - Xastir MacOSX APRS software for receiving and plotting APRS(tm) position packets. Xastir supports many map formats and is highly customizable

OscarDelta IP Over AX.25 - This is a packet radio software developed for amateur radio operators to provide IP communications. You can chat, send/receive e-mail, surf the web and so on via radio depending on your bandwidth. You don't need a TNC. You might have all of TNC features via SoundCard using SoundModem.

RS232 serial cables pinout - Null Modem cable with loop back handshaking

Modifying HP Proliant Server Power Supplies - This article documents the modification of 2 types of Hewlett Packard switching power supplies to enable their use as power sources for ham radio equipment

ICOM CI-V interface to RS232 cable - ICOM CI-V interface to RS232 using transistors, fits in DB9 case

PSK31 interface schematic for Yaesu RTX - Yaesu FT-1000MP, FT-990 and FT-920 packet data port to pc sound card for psk 31 interface.