aprs diag

Antique Radio Schematics and Capacitors for Tube Radios - Specializes in antique radio schematics and capacitors. carries antique radio schematic diagrams and electronic circuit service information for american, canadian and european antique radios.

Atwater Kent Home Page - This is a "techie" site, dedicated to presenting service manuals, parts lists, schematic diagrams and other information of value to restorers and technicians who try to keep these radios working

Canadian Antique Radios Schematics Diagrams Service - We specialize in canadian antique radio schematics for vintage tube radios made in canada. we carry lots of factory electronic circuit schematic diagrams as well as all rcc / radio college of canada service data 1920's - 70's.

Loma Pioneer Repeater Club - LPRC - The loma pioneer repeater club - lprc provides 2 meter vhf and 440 uhf amateur radio and emergency communication for the san francisco and monterey bay areas from a repeater on mt loma prieta. aprs digipeater available.

Western Amateur Radio Association - The Western Amateur Radio Association, founded in 1978, is a Ham radio club based in Fullerton, California. The club supports and participates in many activities, including Field Day, transmitter hunting, microwave, satellite, and APRS, to name a few.

APRS World - Searchable Database of stations

APRS Working Group - APRS Protocol Specification Version 1.0 was adopted by the APRS Working Group

APRSQuery - APRS interface to the FINDU and APRSWorld databases

javAPRSSrvr Users Group - This group is for users of the APRS-IS server software, javAPRSSrvr. Membership is by invitation only.

javAPRS Findu - Findu lookup interface, by station, position and prefix, Wap interface is availbale

APRSearch - APRSearch is a search engine targeting only sites from APRS software authors and other sites with unique and detailed APRS documentation.

DB0ANF APRS Server - Db0anf APRS server for nuernberg / fuerth area, providing online access to the aprs station database

APRS2 Tier 2 Server Network - provide reliable access to the APRS Internet Service for users around the world

APRS Argentina - First APRS site in spanish, with maps, documentation, software and projects for APRS. All in spanish castellano

LU-APRS : APRS Argentina - Discussion group for APRS in argentina

Mira-T - APRS Display map java applet use expedia maps

APRS in Australia - Australian website about APRS

Position-Report APRS maps - APRS-Webserver, that presents aprs-data and maps for free using Google Maps api. The position data is imported from aprs.org, winlink.org and echolink.org. The map data are partially commercial and free. This server is for amateur radio purposes only.

NWAPRS - The NWAPRS is here to support APRS events, activities and amateur radio enthusiasts primarily in British Columbia, Alberta, Northwest Territories, Washington, Oregon, Idaho, and Montana

NashvilleAPRS - NashvilleAPRS is a website designed to help APRS users in Middle Tennessee have a single, knowledgeable resource on APRS in the area.

APRS Florida - Aprs florida, all about aprs!

AGWTracker Pocket - APRS client for pocket pc platform

Homebrew HF Amp with 3CX3000F7 - Grounded grid triode HF linear amplifier with pictures and schematics diagrams by W2DTC. The amp design was for 160 80 40 and 20 meters

External Keypad for FT-817 - An external keypad for FT-817(ND), for the serious portable/field-day contester/operator. Homebrew it with the free firmware and public circuit diagram. The circuit is very simple and takes power supply from the ACC port of the radio

Receiver block diagram - This is a block diagram of a superhetrodyne receiver.