Circuit – FM Bandstop Filter for RTL SDR
FM Bandstop Filter for RTL SDR The given FM band stop filter is nothing more…
Circuits
DIY
Circuits
DIY
Power & Battery
Tools
Circuits – Simple zener diode tester
Simple zener diode tester Ever found yourself with a handful of zener diodes, wondering if…
Articles
DIY
DIY Video
Videos
DIY – Making printed circuit boards
Making printed circuit boards There are many ways to produce your own printed circuit boards.…
radio
Reception
Videos
Video – Colombo International Radio Tamil service Inaugural day transmissions
[embed]https://youtu.be/D7MB7G6ze04[/embed] Colombo International Radio Tamil service - Inaugural day transmissions Frequency - 873khz Time -…
Circuits
QRP
Transmitter
Circuits – 7MHz CW / AM QRP Transmitter
Build a versatile 7MHz QRP Transmitter capable of both CW and AM modulation. This DIY…
radio
Reception
Videos
Video – VWN Vasanth HF net Reception
VWN Vasanth HF net Reception at 7123.4 khz RX Hardware - MSI SDR Dongle Antenna…
Reception
Videos
Video – Charminar net at 7080khz
Charminar net at 7080khz RX Hardware - MSI SDR Dongle Antenna - 66 Feet EFHW…
Antenna
Reception
Tools
Beautiful images received from NOAA19 weather satellite with experimental V dipole antenna
Beautiful images received from NOAA19 weather satellite with experimental V dipole antenna Location – Krishnagiri,…
Antenna
DIY Video
Reception
Video – NOAA19 weather satellite reception with experimental V dipole antenna
NOAA19 weather satellite reception with experimental v dipole antenna Date - 18.01.2022 Location - Krishnagiri,…
audio
Circuits
DIY
Circuits – Offset tuning indicator for CW
An NE567 tone decoder, tuned to the transceiver`s CW offset frequency, ensures that the transceiver…