• Dechirping the Conar 400 - Duration: 3 minutes, 55 seconds.

    • 5 months ago
    How to use an external programmable oscillator with simple transmitters like the Conar 400 to eliminate chirp and allow greater frequency control. This board includes an amplifier that will driv...
  • joe smith - Channel

    • 270 videos
    I have various hobbies including electronics. Here you will mostly find benchmarking of various handheld multi-meters. I am not affiliated with any company distributing or manufacturing meters. Fo
  • George Webb - Channel

    • 3,202 videos
    Reporting on Polical Corruption
  • WRL Duo Bander 84 Demo by W9RAN - Duration: 3 minutes, 9 seconds.

    • 2 years ago
    World Radio Labs (WRL) was a major ham radio dealer and manufacturer for over 30 years. This video shows the inexpensive ($159.95 in 1967) Duo-Bander 84 which put out a powerful 300 watts of SSB ...
  • Zoom FFT Demo by W9RAN - Duration: 67 seconds.

    • 2 years ago
    SSB QRM can be annoying. In this one minute video, W9RAN shows how to eliminate it using the Zoom FFT Filter adjustment in SDR#. IF FFT provides a visual display of the interfering signal so the...
  • 75 meter ARM Radio demo by W9RAN - Duration: 80 seconds.

    • 2 years ago
    The I2PHD ARM Radio is a DDC SDR built on the $24 STM32F429 Discovery board, but its tuning range only goes to 900 kHz. In this video I show how a simple NE602-based converter with a LO of 3.5 M...
  • ARM Radio demo BY W9RAN - Duration: 4 minutes, 13 seconds.

    • 2 years ago
    W9RAN demonstrates the ARM Radio, created by Alberto I2PHD. This standalone SDR receiver tunes from 8=900 Khz using only a few external parts and a $24 STM32F429 Discovery board. Full design inf...
  • W9RAN demo of RTTY Reception with Bandpass Filtering in SDR# - Duration: 117 seconds.

    • 2 years ago
    My other videos of the WW RTTY contest were done with full USB filtering to show the performance of Spyverter under strong densly-packed signal conditions. But for practical use, narrower filteri...
  • W9RAN demo of Spyverter in 40 meter RTTY contest - Duration: 3 minutes, 57 seconds.

    • 2 years ago
    The WW DX RTTY contest produced many very strong and densely packed signals, making for a good demonstration of Spyverter. Some of the strongest signals on the shortwave band are the 41 meter bro...
  • W9RAN demo of Spyverter during RTTY Contest - Duration: 95 seconds.

    • 2 years ago
    Demo of Spyverter copying RTTY via Fldigi during 20 meter RTTY contest. Antenna is HyTower vertical and Airspy decimation is set to display 625 kHz of spectrum
  • Seamless tuning of SDR# with AIrspy & Spyverter - Duration: 4 minutes, 55 seconds.

    • 2 years ago
    This video shows the newest features of SDR# that provide seamless tuning form VLF through HF and VHF/UHF with AIrspy and Spyverter. The software automatically reconfigures as the receiver is tune...
  • NDB reception and Morse display with Airspy & Spyverter - Duration: 113 seconds.

    • 2 years ago
    Test of the Airspy-Spyverter SDR combination on four daytime NDB signals, including visual display of the Morse IDs directly on the waterfall display. For this video, the standard 2.4 kHz USB mod...
  • 6 meter opening on Airspy and Win8 tablet - Duration: 2 minutes, 19 seconds.

    • 3 years ago
    Demonstrating Airspy running on Win8.1 tablet (Winbook TW700) during 6 meter band opening. Tablet provides power to Airspy via USB, Touch Pointer Mouse provides virtual mouse control. Antenna in...
  • 6 meter DVB-T dongle and fast scanner demo by W9RAN - Duration: 3 minutes, 11 seconds.

    • 3 years ago
    This video shows basic reception and manual tuning of RTL2832/R820T dongle using SDR# during a six meter band opening on 6/22/15, along with a demonstration of vasili's excellent Fast Scanner plug-...
  • RANVerter demo by W9RAN - Duration: 5 minutes, 47 seconds.

    • 3 years ago
    W9RAN demonstrates the RANVerter "Cheap and Easy" SDR using SDR# software on various HF bands and modes.
  • AirspyDDC - Duration: 6 minutes, 28 seconds.

    • 3 years ago
    W9RAN demonstrates operation of Airspy SDR as a Direct Digital Converter (DDC) receiver up to 10 Mhz by means of a direct connection to the ADC input. Isolation to protect the ADC input and a low-...
  • Airspy HF Converter Sneak Peek by W9RAN - Duration: 2 minutes, 14 seconds.

    • 3 years ago
    Demonstrating a prototype HF upconverter for Airspy on the 20 meter CW band. The upconverter will take advantage of the wide dynamic range and low noise of the AIrspy SDR receiver. Stay tuned for...
  • Airspy Sensitivity Measurement by W9RAN - Duration: 5 minutes, 50 seconds.

    • 3 years ago
    In my second Airspy video, I show how to correctly adjust the RF front-end for maximum performance, and measure the sensitivity of the Airspy SDR.
  • Airspy Review and Comparison by W9RAN - Duration: 11 minutes.

    • 3 years ago
    Side-by-side comparison of the amazing new Airspy SDR vs. 7 conventional analog receivers and transceivers, demonstrating the high sensitivity and exceptional signal-to-noise ratio of Airspy, and t...
  • Cheap and Easy SDR Panadaptor for Older Receivers - Duration: 5 minutes, 11 seconds.

    • 5 years ago
    Using the RANVerter low-cost SDR as a panadapter plus DSP-based 2nd receiver with a Heathkit HR-10 "beginners receiver". SSB and CW tuning is demonstrated using the receiver for tuning, and the SD...
  • Tactile S meter - initial testing - Duration: 43 seconds.

    • 5 years ago
    This is the first test of a project I wanted to make for a blind ham buddy. AVC voltage from the Heathkit HR-10 receiver is converted to a PWM signal to drive an R/C servo so he will be able to "...
  • My First Regen - Duration: 2 minutes, 39 seconds.

    • 5 years ago
    Demonstrating homebrew regen from the 60s
  • SDR# Freqency Manager Demo - Duration: 2 minutes, 29 seconds.

    • 6 years ago
    Frequency Manager adds virtually unlimited memory capability to SDR#. This demo shows how it works by instantly switching between various stored frequencies. The receiver is a DVB-T dongle with ...
  • 40 Meter CW on Cheap and Easy SDR - Duration: 2 minutes, 5 seconds.

    • 6 years ago
    Tuning the 40 meter CW band using DVB-T dongle (Realtek 2832U) and homebrew HF upconverter with SDR#. Receive bandwidth is 2.4 kHz.
  • 49meter bandscan with cheap and easy SDR - Duration: 3 minutes, 23 seconds.

    • 6 years ago
    HF shortwave using DVB-T with HF upconverter by W9RAN. For more info: goo.gl/suS2w
  • P25 Decoding with SDR# and DSD - Duration: 104 seconds.

    • 6 years ago
    Sorry for the poor video quality, but this video is intended for audio purposes only. I am looking for ways to improve the quality of digital audio decoding and eliminate dropouts - observe the e...
  • 6 dB gain Colinear Antenna for 850 mhz - Duration: 91 seconds.

    • 6 years ago
    Omnidirectional gain antenna for the 850 mhz band, easily scalable to other UHF frequencies. The first section is 1/2 wavelength, the second is 3/4 wavelength, and the top is about 8% shorter th...
  • Voice DSB Demo.wmv - Duration: 82 seconds.

    • 8 years ago
    A quick demo of a very cool Double Sideband transmitter that can be powered directly by the energy of a human voice. In this demo, I am using an external audio amplifier to generate about 100 mw o...
  • Turn an old junk AA-5 radio into an AM broadcast band transmitter - Duration: 5 minutes, 55 seconds.

    • 9 years ago
    Convert an old tube-type All American Five radio into a short-distance AM radio transmitter and broadcast music and voice around your house. All it take is moving a few wires around, the cost is ze...
  • Radio Transmitter made out of Junk - Duration: 93 seconds.

    • 10 years ago
    Here's my adaptation of the K7NS zinc-oxide negative resistance oscillator in a crystal-controlled AM BC-band transmitter.
to add this to Watch Later

Add to

Loading playlists...