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Listening to DF0MOT DMR repeater (438.200 MHz) with FUNcube Dongle SDR receiver, using Spectravue as the receiver application. Spectravue does FM demodulatio...

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Hammarlund HQ-100A with prod detector mod

Length: 1:13 - Rating: 0 (0 ratings) - View: 27 - Author: K9SUL

6BE6 + BAT46 AM detector & 1N4148 noise limiter. In order for AVC to work in ssb reception, BFO should not leak into IF or Q mult.

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Touch Based Lie Detector

Length: 0:59 - Rating: 5.0 (1 ratings) - View: 197 - Author: Sumita Somani

Touch Based Lie Detector Working video.

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Unboxing my new Kenwood TH-F6A handheld amateur radio.

Length: 16:29 - Rating: 4.6 (10 ratings) - View: 4146 - Author: jimster586

The title says it all. Enjoy!

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QSD "Tayloe Detector" and WINRAD

Length: 0:52 - Rating: 0 (0 ratings) - View: 354 - Author: Hazzorik

First test of the QSD sampling in an AM band. The computer is an old HP that was donated to the makerspace and only samples at 44.1K so not utilising the ima...

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Amateur Radio DSB Transceiver

Length: 5:7 - Rating: 4.7272725 (88 ratings) - View: 75058 - Author: M0HBR

Describes a homemade 20 meter Double Sideband transceiver using NE602 chips and ceramic resonators.

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Wolfhound Cell Phone Detector Direction Finding Techniques

Length: 2:13 - Rating: 5.0 (1 ratings) - View: 6203 - Author: wigby

Locate any cell phone using the Wolfhound Cell Detector and these simple direction finding techniques. (formerly called Bloodhound)

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Homebrew Frequency Counter for Amateur Radio Using A Multiplexed Display and an ATMega16

Length: 3:31 - Rating: 5.0 (34 ratings) - View: 16418 - Author: Scott Harden

http://www.SWHarden.com.

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Smoke Detector Performing Morse Code (CW)

Length: 2:6 - Rating: 5.0 (2 ratings) - View: 284 - Author: KD8NCL

I programmed an Arduino with a sketch I found online by, KB5NJD. I hooked it up to a smoke detector, and here's the results! The things hams will do with dow...

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5010kHz R. Madagasikara Sony ICF-2010 Sync Detection Mode Working

Length: 0:47 - Rating: 5.0 (10 ratings) - View: 631 - Author: pesnyaozemle

These are descriptions for AM Sync on some different manuals of different portable radios. I think Sony doesn't have to pull punches. [Sony ICF-2010 (2001D)]...

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AOR AR7030 Sync Detector Operation on 31mb received in Japan

Length: 2:34 - Rating: 5.0 (5 ratings) - View: 1766 - Author: pesnyaozemle

Radio: "AOR AR7030" made in the U.K. Aerial: 303WA-2 by Apex Radio, Japan Location: Yokohama, Japan Date: 30/Oct/2009 Time: 17:30(UTC) 02:30(JST)

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A demonstration of a crystal radio - Part 1

Length: 2:34 - Rating: 4.857143 (63 ratings) - View: 59469 - Author: vk3ye

This video demonstrates a crystal radio similar to that used in the early days of broadcasting. Crystal sets are powered from the signal being received - no ...

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Am Radio Picks Up Loop

Length: 0:43 - Rating: 0 (0 ratings) - View: 96 - Author: Erik Dumais

Traffic Loop Detector Am Radio.

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Detecting computer electromagnetic interference (EMI) with an AM radio.

Length: 6:57 - Rating: 5.0 (5 ratings) - View: 1928 - Author: StevenMageeBooks

This clip shows how computers emit electromagnetic interference (EMI) and how an AM radio can be used to detect it. Are computers producing excessive EMI and...

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Earthquake Detector

Length: 12:5 - Rating: 5.0 (2 ratings) - View: 75 - Author: Aleksandra Rohde

Three examples of earthquake detectors. It is always better to be prepared.

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