The VLF-LF band - Remote Transmitter over ip & Remote Receive antenna over ip

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experimental setup for Remote Morse Code operations using a REMOTE TRANSMITTER and a REMOTE RECEIVE ANTENNA on the VLF-LF RF band from 1 hz to 95 Khz
2:30
CW NET with 9 CWops using a remote VLF-LF Transmitter & Receive Ant. - proof of concept test - pt1
By QRQcw
  • 129 views
5:01
CW NET with 9 CWops using a remote VLF-LF Transmitter & Receive Ant. - proof of concept test - pt2
By QRQcw
  • 61 views
7:47
CW NET with 9 CWops using a remote VLF-LF Transmitter & Receive Ant. - proof of concept test - pt3
By QRQcw
  • 73 views
4:24
CW NET with 9 CWops using a remote VLF-LF Transmitter & Receive Ant. - proof of concept test - pt4
By QRQcw
  • 39 views
5:42
streaming VLF-LF RF CW over ip from 1 hz to 95 Khz using the Gstreamer WavPack Codec - LIVE demo
By QRQcw
  • 146 views
2:40
CW COPY by EAR training - online server - using a VLF Transmitter, Gstreamer & an SDR Receiver APP
By QRQcw
  • 132 views
3:39
VLF-LF BAND Remote transmitter & transmit antenna + Remote Receive antenna - demo for QRQ CW
By QRQcw
  • 19 views
2:05
CW NET with 9 CWops using a remote VLF-LF Transmitter & Receive Ant. - proof of concept test - pt5
By QRQcw
  • 59 views
2:24
Experimental 5 channel WALKIE-TALKIE app using a virtual VLF-LF BAND Server::Client setup
By QRQcw
  • 101 views
5:00
Raspberry Pi RTSP SERVER for Morse Code VLF RF over ip FULL DUPLEX CW NET operations - LIVE demo
By QRQcw
  • 95 views
5:03
AM Broadcast Band - RF over IP Transmitter & Receiver - using AD5DZ SDR apps + Gstreamer scripts
By QRQcw
  • 105 views
4:24
Send VLF RF CW over Mumble instead of Audio CW: demo of a remote Mumble VLF PI Xmitter & laptop Rcvr
By QRQcw
  • 93 views
6:16
Raspberry PI 4 - Remote VLF RF LSB Transmitter: modulating HD Voice Audio @ 18Khz on Lower Side Band
By QRQcw
  • 79 views
4:47
Raspberry PI 4 Remote VLF RF CW Transmitter: 22Khz test to see if the PI's own headphone jack can do
By QRQcw
  • 111 views
3:16
using a Laptop's MIC INPUT jack as an SDR RF antenna input SOURCE: Receive CW @700hz on the ULF band
By QRQcw
  • 311 views
8:56
using a Laptop's MIC INPUT jack as an SDR RF antenna input SOURCE: Receive AM @12Khz on the VLF band
By QRQcw
  • 244 views
5:08
Remote Rig Audio VLF Band 15Khz USB RE-Transmitter - using a Raspberry PI 4 & its analogue soundcard
By QRQcw
  • 38 views
7:12
Remote Rig Operations by 2 Raspberry pies, 2 usb sound cards, an audio amp, 4 to 1 balun & loop ant.
By QRQcw
  • 54 views
0:54
VLF laptop sound card Receiver SDR - reducing background static & hiss using the Noise-Repellent LV2
By QRQcw
  • 125 views
2:16
Tuned Ferrite Rod Loopstick ULF BAND RX antenna to MIC JACK soundcard input to Direct RX at 797hz CW
By QRQcw
  • 67 views
3:09
Tuned Ferrite Rod Loopstick ULF BAND(797hz) RX antenna to MIC JACK soundcard input: LIVE demo QRQ CW
By QRQcw
  • 86 views
6:07
PC Soundcard SDR VLF Transmitter - PC Soundcard SDR VLF Receiver - Lower Sideband Modulation @15 Khz
By QRQcw
  • 421 views
4:10
simple Ferrite loopstick Antenna Tuner for RECEIVING a 73Khz CW signal on PC sound card SDR Receiver
By QRQcw
  • 208 views
2:27
PC Soundcard SDR LF Transmitter - PC Soundcard SDR LF Receiver - Lower Sideband Modulation @73 Khz
By QRQcw
  • 11 views
19:16
experimental REMOTE RIG operations setup: RIG RX AUDIO - transmit it over the ULF band to remote OP
By QRQcw
  • 80 views
4:01
experimental REMOTE RIG operations SSB VOICE: RX AUDIO - transmit it over the ULF band to remote OP
By QRQcw
  • 6 views
8:02
Experimental setup to key CW on an Elecraft K3S at 120 wpm(AFCW mode) using 2.5 Khz CW notes on LSB
By QRQcw
  • 47 views
10:09
Remote CW Keying(afcw mode) of RIG with paddles & straight key - monitor sidetone over ULF wireless
By QRQcw
  • 118 views
6:47
ULF BAND Receive Ferrite Core Loopstick Antenna for SOUND CARD INPUT - LIVE DEMO with QRQ CW example
By QRQcw
  • 720 views
4:11
Ferrite Rod Transmit Antenna for the 4 Khz VLF BAND - CW Morse Code Transmit example - (RX ant=loop)
By QRQcw
  • 1K views
0:50
Remote Raspberry PI2b VLF Band Receiver: setup for Morse Code Reception at 18Khz with small loop ant
By QRQcw
  • 86 views
1:33
Remote VLF sound card SDR Receiver - using an indoor 40' wire loop antenna connecting to PC MIC JACK
By QRQcw
  • 224 views
20:45
turn your Laptop into a VLF soundcard SDR QRP TRANSCEIVER - transmit CW in Full Fast QSK - LIVE demo
By QRQcw
  • 299 views
5:51
soundcard SDR VLF Transmitter & Receiver - VLF BAND - 18Khz CW example using Recri Keyer SDR modules
By QRQcw
  • 462 views
6:05
sending QRQ CW over IP over MIDI using ASEQNET TCP/IP - 80 wpm test - Linux Laptop to a Raspberry PI
By QRQcw
  • 65 views
8:52
Raspberry PI remote VLF RF over IP Rcvr::RE-Transmitter - Local PC SDR VLF Receiver - QRQ CW example
By QRQcw
  • 126 views
0:59
Raspberry PI remote VLF RF over IP Rcvr::RE-Transmitter - Local PC SDR VLF Receiver - paddles&st key
By QRQcw
  • 8 views
7:58
Remote Raspberry PI VLF RF over IP Receiver/RE-Transmitter - 18Khz QRQ CW - laptop soundcard VLF RX
By QRQcw
  • 138 views
1:49
QRQ CW over 100 wpm - testing a Remote Raspberry PI CW VLF Transmitter for keying CW(mcw) at 200 wpm
By QRQcw
  • 76 views
1:36
Tiny Tuned Ferrite Rod Loopstick Antenna for a laptop's MIC input sound card SDR - 18Khz CW example
By QRQcw
  • 89 views
1:09
Two Ferrite Bobbin Core Inductors for a Sound Card VLF SDR receiver input - 20Khz AM signal example
By QRQcw
  • 151 views
5:57
Classroom Morse Code instructor setup for teaching how to use soundcard SDRs for CW Transmit/Receive
By QRQcw
  • 89 views
7:27
Build your own high performance software QRQ CW AUDIO FILTER - using 4 FILTA LV2 modules in series
By QRQcw
  • 120 views
4:11
VLF sound card SDR - AM voice Transmitter & Receiver(16Khz) - with tuned TX/RX antennas - LIVE demo
By QRQcw
  • 179 views
1:38
using CW REGENERATION to dig out a ULF RF 500hz CW SIGNAL amidst 60hz hum & other ULF band noises
By QRQcw
  • 137 views
3:02
Experimental Assisted Listening device for Church - using open source software/Raspberry PI receiver
By QRQcw
  • 66 views
5:24
Build an INDUCTIVE LOOP assisted listening Transmitter & Receiver using Raspberry PIs & FREE SDR app
By QRQcw
  • 50 views
1:17
Raspberry PI REMOTE Audio Induction Hearing Loop Transmitter
By QRQcw
  • 98 views
4:15
Hearing loop transmitter & receiver made with 2 raspberry pi, using 22Khz Lower Side Band modulation
By QRQcw
  • 57 views
3:26
Hearing loop transmitter & receiver made with 2 raspberry pi, using 13Khz Upper Side Band modulation
By QRQcw
  • 57 views
2:02
Homemade Assisted Listening System for a Sunday School classroom with Perimeter Wire Loop: LIVE demo
By QRQcw
  • 91 views
11:29
Assisted Listening LIVE TEXT + Sanctuary Induction Hearing Loop HD AUDIO RECEIVER: Preacher's Sermon
By QRQcw
  • 44 views
1:09
Sound Card IQ SDR Induction Loop Transmitter & Receiver: uses 2 antennas, 1 for "i", other for "q"
By QRQcw
  • 143 views
3:49
Soundcard IQ SDR CW induction loop Transmitter & Receiver: uses 2 antennas, 1 for "i", other for "q"
By QRQcw
  • 69 views
8:07
SOUNDcard SDR VLF RF QRQ CW IQ Transmitter & Receiver: using 2 Raspberry Pies & Recri Keyer SDR apps
By QRQcw
  • 79 views
3:37
Raspberry PI Assisted Listening System Hearing Loop VLF RF 23Khz LSB IQ Transmitter & Receiver demo
By QRQcw
  • 75 views
6:12
QRQq CW Keying of an Elecraft K3S at 131 wpm using a Homebrew REMOTE RIG OPERATIONS over IP setup
By QRQcw
  • 292 views
6:10
Assisted Listening System Raspberry pi2 hearing loop Transmitter Raspberry pi4 hearing loop Receiver
By QRQcw
  • 34 views
14:30
Build an Induction Hearing Loop Raspberry PI 14Khz VLF USB Receiver with AGC, EQ, Limiter, SDR apps
By QRQcw
  • 94 views
9:14
Build an Induction Hearing Loop Raspberry PI 14Khz USB Receiver with adjustable Bass Mids & Treble
By QRQcw
  • 61 views
9:58
Tuned Ferrite Rod Loopstick Antenna for a Laptop Soundcard SDR VLF RF Receiver: 14Khz Upper Sideband
By QRQcw
  • 511 views
5:32
using the Rohde's AM Detector Circuit as the heart of a portable induction hearing loop receiver
By QRQcw
  • 38 views
5:11
QRQ CW AM-SSB soundcard SDR VLF Transmitter & Rohde's AM Detector circuit VLF Receiver - LIVE demo
By QRQcw
  • 195 views
2:06
14.5Khz AM-SSB Transmitter & Receiver Assisted Listening System induction hearing loop - LIVE demo
By QRQcw
  • 117 views
9:57
Raspberry Pi Induction Hearing Loop AM-SSB Xmitter, Rohde's AM Detector Induction Hearing Loop Rcvr
By QRQcw
  • 77 views
4:07
A Virtual CW Server with room for many CWops to QSO - using SDR# SHARP & any audio conferencing APP
By QRQcw
  • 104 views