hamradio station pa2eon

Category Archive: Interfaces

CAT or other computer interfaces

Apr 14

Build SDR radio with DR2B from YU1LM


In this post I will show the steps I had made to build the DR2B SDR receiver hardware from the OM YU1LM. The main reason to build / use this small part of hardware is to use it as an IF monitor for my FT-736 and FT-897d Transceiver(s). The fixed MF input from the FT …

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Jan 09

Rotor AC Interface & managed by PC

Prepare the box

The DIY rotor interface is ready. The rotor interface is connected to the PC via USB and will use the standard Yaesu GS232 protocol. You can move the antenna rotor by hand via the ‘joystick’ and via the software on the PC. In the download section you will find (asap) the complete building manual. Credits …

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Dec 24

with RTL-SDR and LNA receive cubesats


The last days I’am active with the modifications of the RTL-SDR dongle to receive the Cubesats. In short I had used the next mods; * 10 meter RG58 in coil arround the RTL-dongle to reduce noise and grounded to the USB. * removed the metal part on the USB connector. * added a ring-coil arround …

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Feb 27

Motorola GM950 small RS232 Interface

Back of PCB Motorola

Today I have finished the small RS232 interface to manage the Motorola GM950 UHF/VHF transceiver. This small interface will cost you about 10 Euro, and will give you much fun ! I had made the PCB layout on the test board, the design is so small that you can easy do this (see picture). The …

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Jan 16

LED bar S-meter

LED bar S-meter

The small project, LED bar S-meter, is active. I found the schema at the website from F6BQU. The schema is very easy and the result is nice (see the pictures) I’ve used to test the LED bar with the signal generator (function generator). The next I have to connect the LED bar S-meter on the …

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Dec 12

Rotor management extra info by PE1ANS


The rotor soft- and hardware you can find on this site is in the development fase. PE1ANS (OM Jan) had picked up the mean time stage of the development fase with his own few on the software. I nice small movie will show an error in the source code, when you push the button to …

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Nov 25

Rotor management hardware update

Rotor house

In the time we are building on the PCB with the electronics (for PIC controler) I had to bring the old hardware inside a new box. Also the rotation of the Antenna rotor I have to do by hand. But safety first .. the old hardware is build together in a plastic ‘box’ with on …

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