echolink schematic

J Pole antenna for 6 meters - Homebrewed jpole antenna for 50 mhz by IW0BZD, include pictures and schematics, in italian.

160 m receiving loop - KC22TX receiving loop antenna for 160 meter band

Transoceanic resource library - Transoceanic radios, zenith radios, service data, pictures schematics, manuals and owners data.

Pacific T.V. Online Tube Catalog - Vacuum tubes and sockets for radio, audio and amateur use. Over 1500 types, online schematics and technical data

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.

Antique automobile schematics - Antique automobile radio repair and schematics

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.

Philco ServiceMan - Schematics and general info like service manuals for philco radios

WW8GM GM Amateur Radio Club - General Motors Amateur Radio Club - WW8GM EchoLink Repeater in SE Michigan

HB9FX Internet Remote Base JN37XH Hochwacht Zofingen Switzerland - Tune and / or listen between 10kHz - 10GHz to professional Online-Receivers as Rhode & Schwarz EK070 or AEG E1900/3, Amateur-Radio-Transceivers, Web-SDR, Digital-Modes, Repeaters, EchoLink, APRS or control Antenna-Switch-Matrix, Antenna-Tuner, SWR & PWR- Control or Web-Cams.

6m SSB & CW QRP transceiver - Block diagram, schematics pcb layout and pictures of a CW QRP transceiver for 50 Mhz by S57NAN

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.

I0SKK - 10 MHz QRPp beacon - Pictures and schematics about QRPp experiments using QRSS on Ham Bands as 10 MHz, 7 MHz,

HeathKit SB200 Mods - SB-200 Notes, SB-200 mods schematic. SB-200 mods photos

YAESU FL-2100Z Amplifier Repairs - The FL-2100Z amplifier referenced in the following images is the 6-Band model covering 10m thru 160m (no WARC bands) and not the 9-Band version that included the WARC bands. Modifications, schematics and manual

DesignWorks - Commercia, productive and easy-to-use electronic circuit schematic drawing tool Featuring full hierarchical design, standard and custom netlist formats, extensive symbol libraries, scripting and customization features and much more.

RTPDir bridge software  ^updated - rtpDir: rtpDir_for_EchoLink_and_IRLP RTPDir bridge software(Real Time Protocol Director). It can be used on the Amateur bands, Government, commercial and private nets, or direct user to user without any radios connected.

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

I5UXJ home made amplifiers - Infomration schematics and pictures about various hf and vhf QRO linear amplifiers

Medium Frequency Amplifier Circuits Compared - Mark Connelly, WA1ION article on Medium Frequency Amplifier Circuits in PDF format, include some RF amplifier schematics

OZ2M - Beacon Keyer - Features, pictures and schematic to home made your keyer

OH5FAD RF Signal generator - Schematic and information

A reliable VOX PTT circuit - This VOX PTT has been designed with Echolink in mind, but it will work equaly as well with repeaters

UHF signal-generator - Schematics by jf10zl