This is custom IP controlled switch box for Christoph OE2CRM. It allows him to switch RX antennas for his SDR RXs for MW and Tropical band SWL.
Photos credit by remoteqth.com
Remote controled RX antennas switch with BPF / ATT / Preamp
Remote manual IP switch, based on Arduino LINK
9 RX ANTs switch with BPF, ATT and preamp PHOTO
Interface Genius is a radio interface and remote radio modem. Controlled by a Windows application or used stand alone.
SO2R DIRECT MODE
Using IGM in combination with our SO2R extender box. On one side, the IGM is connected to the radio. On the other side, the 4O3A SO2R Extender box is connected to the second radio. To connect IGM and SO2R Extender we use the 9 + 3 pin VGA cable.
This is the standard...
The Raspberry Pi$39.98 at Amazon is by far and away the most popular single-board computer on the market today, helped by the fact it only costs $35. That hasn't stopped other manufacturers trying to compete with it, however, and the latest company to join the fray is Asus.
The board you see above looks very similar to the Raspberry Pi, in fact, it's almost the same size, but this is the Asus...
Video by KD0WHB
The adventure up to the top of a mountain peak during a winter storm to disconnect a beacon which was stuck on transmit. Down near my School at New Mexico Tech.
Wish I could have gotten more footage at the top, but the wind was hitting just way too hard.
The 4O3A High Power HF Triplexer System Enables A Single Triband 20m/15m/10m Antenna (typically a Yagi) Fed With A Single Coaxial Feedline,To Be Used By Three Stations Running 1.5 kW Simultaneously.
Truly a “game changer” for SO2R and multi-operator contest stations, DXpeditions and Field Day groups. The 4O3A Signature Series Triplexer System eliminates the need for separate monoband Yagis on the 20m,...
X5105 is a highly portable transceiver working at HF+6m band, with a built-in power output of 5W.
Double-conversion superheterodyne, fitted with up to 3 lithium batteries of 18,650mph each.
A standard main unit (embedded with one 8-pole 2.7k-SSB crystal filter)
An optional high stability, high precision TCXO module
An optional 500Hz narrow band crystal filter
Connect this RPI server and your ColibriDDC receiver to a DSL or 4g router with internet access and enjoy remote operation. This is a complete server solution eliminating the need of a PC at the remote location.
The RPI server is based on the Raspberry PI platform and comes in an RF shielded enclosure fully functional with the server software pre-loaded on a 16 MB micro SD card. It is designed...