Ham Radio Science
-
Passive CW Audio Filter – 600Hz / 800Hz
By DX EXPLORER
DX EXPLORERBuild a simple passive CW audio filter with a handful of components. You can always turn it into an active CW bandpass filter if used with a simple audio amplifier.
Article published first on DX EXPLORER - Step Into The Amateur Radio World
-
New QRP Cluster Online From OM0ET and OM6APN
By DX EXPLORER
DX EXPLORERPaul OM0ET and Peter OM6APN recently launched a new cluster dedicated to QRP operations. Have a look and I hope you will enjoy this as much as I do.
Article published first on DX EXPLORER - Step Into The Amateur Radio World
-
SWL Contest With Nice Prizes Open Worldwide
By DX EXPLORER
DX EXPLORERIf you are a shortwave listener and you would like to win some prizes, here is a contest you may be interested in. November 1th to December 31th 2023.
Article published first on DX EXPLORER - Step Into The Amateur Radio World
-
Quick Look At The JCD Soldering Iron Kit
By DX EXPLORER
DX EXPLORERThe best hobby soldering iron ? A quick look at the JCD soldering iron kit and why I like it so much. Great quality for a hobby soldering kit under $20.
Article published first on DX EXPLORER - Step Into The Amateur Radio World
-
Build A Simple Audible RF Field Strength Meter
By DX EXPLORER
DX EXPLORERA simple NE555P IC audible RF field strength meter. It can detect a 1W VHF / UHF handheld from about 2 or 5 meters away. A useful tool to have for testing radio gear.
Article published first on DX EXPLORER - Step Into The Amateur Radio World
-
Baofeng Programing Using Tidradio BL-1 Bluetooth Adapter
By DX EXPLORER
DX EXPLORERTidradio BL-1 is a Bluetooth Adapter to help you program your Baofeng radio on the spot, together with the Odmaster programing app.
Article published first on DX EXPLORER - Step Into The Amateur Radio World
-
Printable QSO Logbook Template For Amateur Radio
By DX EXPLORER
DX EXPLORERA printable QSO logbook template for amateur radio, in A4 paper forma, for portable work. Perfect for when we don't have access to a computer to log contacts.
Article published first on DX EXPLORER - Step Into The Amateur Radio World
-
Two Scales RF Wattmeter And Dummy Load
By DX EXPLORER
DX EXPLORERSimple Wattmeter and dummy load that allows you to measure the RF output power. Designed for QRP with 1W / 10W or or 2W / 20W scales.
Article published first on DX EXPLORER - Step Into The Amateur Radio World
-
Updates On PCB Board Designs, YouTube And The Blog
By DX EXPLORER
DX EXPLORERDX Explorer updates on PCB board designs, the YouTube videos and the DX Explorer blog for the months of August and September 2023.
Article published first on DX EXPLORER - Step Into The Amateur Radio World
-
700 mW Minimalist CW Transmitter With One Transistor
By DX EXPLORER
DX EXPLORERA very simple and minimalist CW transmitter built in less than ten minutes, using only ten components and with a power output of 700mW.
Article published first on DX EXPLORER - Step Into The Amateur Radio World
-
Tidradio TD-H8 VHF / UHF Radio Review
By DX EXPLORER
DX EXPLORERHere is a quick radio review of the Tidradio TD - H8 VHF / UHF ( or GMRS ) 10W handheld transceiver. A nice upgrade option from the simple Baofeng.
Article published first on DX EXPLORER - Step Into The Amateur Radio World
-
Kaiweets KM601S Smart Digital Multimeter
By DX EXPLORER
DX EXPLORERThe Kaiweets KM601S smart digital multimeter, is a great tool for hobbyists like me. Packed with great features, is a good quality tool at an affordable price.
Article published first on DX EXPLORER - Step Into The Amateur Radio World
-
Kaiweets KM602 Smart Digital Multimeter
By DX EXPLORER
DX EXPLORERThe Kaiweets KM602 smart digital multimeter, the perfect tool for hobbyists like me. Packed with great features, is a good quality tool at a reasonable price.
Article published first on DX EXPLORER - Step Into The Amateur Radio World
-
Pititico II CW Transceiver
By DX EXPLORER
DX EXPLORERPititico II CW transceiver for the 40m band. A transceivers designed around a 2N2222 transistor by PY2OHH, and improved by YO6DXE.
Article published first on DX EXPLORER - Step Into The Amateur Radio World
-
4 Simple Modifications For The Pixie Transceiver
By DX EXPLORER
DX EXPLORER4 simple modifications for the Pixie transceiver kit. No AM broadcast band interferences, sidetone circuit and VXO. Still as simple CW transceiver.
Article published first on DX EXPLORER - Step Into The Amateur Radio World
-
Kaiweets HT118A Digital Multimeter
By DX EXPLORER
DX EXPLORERThe Kaiweets HT118A digital multimeter is perfect for beginners like me. Packed with pro features, is a good quality tool at a reasonable price.
Article published first on DX EXPLORER - Step Into The Amateur Radio World
-
HF Radio Beacon – RF Pulsing Oscillator
By DX EXPLORER
DX EXPLORERSimple HF radio beacon with only one transistor. RF pulsing oscillator. Great to be used as a test beacon or ARDF ( fox hunting ) training sessions.
Article published first on DX EXPLORER - Step Into The Amateur Radio World
-
Simple Direct Conversion Receiver With MC3361 and LM386
By DX EXPLORER
DX EXPLORERSimple direct conversion receiver for the 80m band. A present from my friend Andrei - YO6TJJ, based on the Lidia DC Receiver, with MC3361 and LM386.
Article published first on DX EXPLORER - Step Into The Amateur Radio World