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johnliner

retired engineer-Harris RF Communications; retired US Army helicopter pilot; R&D-long-range airborne comms.

Moab, Utah
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johnliner
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This user joined on 01/14/2015.

218.8k
2.6k
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Fully stand-alone HF (Shortwave) Software Defined Transceiver & Vector Network Analyzer. Designed for rugged portable use. Highly hackable.
Project Owner Contributor

PortableSDR

michael-r-coltonMichael R Colton

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A BIG Gas Powered Quadcopter
Project Owner Contributor

Goliath - A Gas Powered Quadcopter

peter-mccloudPeter McCloud

121.9k
1.9k
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813
SatNOGS is an open source satellite ground station network, optimized for modularity, built using affordable tools and resources.
Project Owner Contributor

SatNOGS - Global Network of Ground Stations

pierros-papadeasPierros Papadeas

94.8k
1,238.9k
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Follow for the 'Hacklet' and latest news about hackaday.io
Project Owner Contributor

Hackaday.io Project

lutetiumLutetium

69k
861
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512 LEDs driven by an Arduino via eight shift-registers and eight MOSFETs
Project Owner Contributor

8x8x8 Blue LED Cube

hari-wigunaHari Wiguna

26.2k
1.9k
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Ever wanted a meteor detector? Interested in radio telescopes? This project is for you
Project Owner Contributor

The tiny radio telescope

paul-scottPaul Scott

25.7k
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9
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HamShield lets your Arduino talk to far away people and things using amateur radio bands (Coverage: 136-170MHz, 200-260MHz, 400-520MHz)
Project Owner Contributor

HamShield: VHF/UHF transceiver for Arduino

casey-halversonCasey Halverson

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3.8k
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An agile radio designed for low power and narrow bandwidths over a wide frequency range.
Project Owner Contributor

level: A New Kind of Radio Module

hunter-scottHunter Scott

11k
11k
6
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QubeCast Max is a high powered radio module for PocketQube Satellites, HAB payloads, or anything that needs a small radio transciever.
Project Owner Contributor

QubeCast Max

ozqubeOzQube

10.2k
107
6
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[Redesign]: A 16 bit RISC processor built with a logic simulator
Project Owner Contributor

16-bit CPU built in Logisim

reed-fosterReed Foster

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Building blocks for creating a software-defined radio (SDR) in an FPGA
Project Owner Contributor

Software Defined Radio (SDR) In An FPGA

joesugarjoesugar

6.2k
105
3
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Building a distributed server with raspberry pi's on consistent hashing ring. also using GPU compute
Project Owner Contributor

distributed server with RPi

lixiaofaninusalixiaofaninusa

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Shove a x86 compatible 3.5 inch SBC with hard drive and external ports into a old candy tin left over from the holidays
Project Owner Contributor

Candy Tin PC

osgeldosgeld

4.3k
96
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Watson is a relatively simple RF power meter based on the "120 dB Measurement System" outlined in the Analog Devices (AD) AD8307 data sheet.
Project Owner Contributor

Watson - 120dB RF Measurement System

mparempare

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New version of OpenTech-Laptop!
Project Owner Contributor

OpenTech-Laptop v2

opentech-storeOpenTech-Store

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modify a $10 radio to listen to WIFI. optional: hook it up to USB to stream data.
Project Owner Contributor

WIFI listener

dylan-bleierDylan Bleier

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A toy that activates when moved and displays pretty LED patterns. Guaranteed to entertain any child for at least 5 seconds.
Project Owner Contributor

Flashing LED Toy

stefan-kratzStefan Kratz

590
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Alarm clock based on a Raspberry pi, using Nixie tubes for display, housed inside a 1940s tube radio.
Project Owner Contributor

Nixie alarm clock/Vintage radio

yannickYannick

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