aprs diag

Ferite Balus 1.8 - 30 Mhz - 1:1 and 4:1 baluns diagrams

EA1URO Union de Radioaficionados de Ourense  ^updated - Radioaficion,satelites,APRS,DX,scanner,radioaficionado,PSK31,by EA1URO Union de radioaficionados de Ourense Espana

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

Southeast Ohio APRS Development - Collection of overview, technical and planning mterials related to the ongoing development of APRS services in and around Athens County, Ohio USA

TinyTrak 4 and APRS - Tiny Trak 4 APRS and a new IGate

APRS in Deutschland - APRS-DE operating APRS in Germany

Tiny Track I - Tiny Track-I is a simple unit offering the transmission of your position-data (as mobile etc) in APRS , just by using a VHF and a GPS.

TinyTrack4 Wiki - A documentation wiki on TinyTrack 4 APRS device by byonics

Build an igate - APRS4R Digipeater configuration notes by K6DBG

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

The Mobile APRS - VK4JRC-15 HF 30 metre APRS motorcycle mobile setup

BikeCam G1OCN Dave - Live streaming video from G1OCN's motorcycle mobile webcam while he occasionaly drives his motor bike around the South coast of England, with google earth tracking map, APRS callsign G1OCN-10.

Motorcycle mobile setup - A VHF UHF mobile operation setup with APRS tracking by wd6cmu

WP4MXB Repeater Priority listing - WP4MXB come with lots of information about repaters and aprs systems

Microsat - Ham radio shop for APRS digipeaters WX3in1, RPTC, GSM devices, SDR software defined radio producrsa, APRS trackers and GPS Receivers based in Poland

APRS4R - APRS4R is a free APRS digipeater or gateway software for embedded devices

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.

Adjustable Regulated Battery Charger - This battery charger circuit is regulated and adjustable to make this circuit able to charge the mosto NiCAD battery.

A NiCAD Battery Charger - A NiCAD Battery Charger with Current and Voltage Limiting

CAT5e Wiring Diagram - CAT5 T-568B Colour Code for RJ-45 Plug

TVI Filters - Schematic and diagrams for TVI Filters by G4WPW

Kenwood Schematics - Kenwood schematics diagrams in high resolution format, includes Kenwood TS-830S , TS-820S and TS-520S

Electro Voice 664 Wiring - Electro-Voice Model 664 (EV 664) cardioid microphone, wiring diagram, pictures and data sheet

70 MHz transverter - The G8TTI 434 MHz to 70 MHz transverter with block diagramm

HSMM project using Linksys WRT54G - Create a APRS digipeater and internet gateway using WRT54G