Hi there, some nights multiple signals from the other side of the pond can be heard simultaneously. This was one of those nights - and what our great hobby i...

455 kHz Signal Generator

10kHZ - 600 kHz preselector

Hi Ray, here is the spectrum with audio indicating the position of AIR Thiruvananthapuram on 5010 kHz and Brother Stair on 5015 kHz. The filter width was 2.7...

Very nice to hera Radio Austria International with a huge signal from Moosbrunn, with 10.5 kHz filter, recorded in Oxford UK on 06/05/16 at 05:52 hrs UTC us...

Hi there, this is the first time I've copied the Air Horn channel marker since it moved frequency from 4010 MHz. This isn't the first time I've copied the Ai...

An immenese 250 kW Transatlantic signal from South Carolina, requiring a 12 kHz filter. Great performance once again from the Elad FDM DUO and Wellbrook ALA1...

Hi there, great to catch these 3 channel markers (or whatever they actually are!) with the nRSP-ST. A great rig for sure and I'm loving the SDRconnect softwa...

Love ❤️and trust

Hi there, I thought it would be interesting to directly compare both of these signals from Pyongyang and Hamnung; the former TXing at 50 kW and the latter at...

Neste artigo vou mostrar um gerador, oscilador de RF bem simples que abrange a faixa de frequência de  400 Khz a 30 Mhz com uma impedância de saída de 50 ohm por uma tensão de 300 mV.

LF RFID Sticker could be used for access control, identity authentication, payment, bus parking lot management, attendance management, card payment, product marking etc.

I hadn't heard Iceland on 189 kHz for more than a year - I knew they were there but their signal was swamped by BBC Radio 4 and QRM. Great to hear them again...

It's a shame that my favourite band continues to diminish in broadcast stations. Perhaps inevitable given the high running costs and general lack of (typical...

Hi there, great to copy WJR Newstalk for the first time in 2022. The Icom IC-R71E is proving to be an excellent performer on MW as well as SW.Recorded in Oxf...

Hi there, it's always a thrill to copy transatlantic MW DX, but even more so on an non-SDR, and even more still when it's a vintage receiver. Here's a decent...

Am 14.11.23 überarbeitet Der unter Längstwellen-Konverter (9 - 500 kHz) mit einem SO42P beschriebene Längstwellen-Konverter mit einem SO42P als Mischer-IC wurde

Signal recorded on 29/01/16 in Oxford UK at 02:40 hrs UTC using an Elad FDM DUO transceiver and Wellbrook ALA1530 active loop antenna (indoors). This is the ...