1. Kmitoctova ustredna pre VR21
2. Prestavba mobilneho telefonu NOKIA 620i na packet radio 9600 Bd.
3. Prestavba mobilného telefónu NOKIA 620i na miestny FM prevádzač v pásme 70 cm.
4. Kmitočtová ústredňa pre VR21 (nie len na PR)

English version:

1. Interface for Yaesu G-5400B (pictures & programs in zip-file)
2. Interface for antenna rotator with ethernet port
3. Interface for antenna rotator with USB port
   
4. Interface for antenna rotator with serial & paralel port - only pictures & software in ZIP-file
5. Interface for AlfaSpid BIG-RAS rotators with graphical display
6. Interface for AlfaSpid BIG-RAS rotators with 4" touch screen
   
7. APRS Tracker
8. Digipeater with PIC18F26K22
9. Useful Payload for Balloon Test
10. Recycling of Vaisala RS-41 meteorological sonde
11. Decoding meteorological radiosondes with Raspberry Pi
12. Preamplifier for tracking meteorological probes
13. Multi-channel receiver for tracking meteorological sondes
14. Search for meteorological sonde with RaspberryPi
15. Case for TTGO (LILYGO) with AAA size LiIon battery
16. Graphical interface for the smogcli2 receiver
17. Satellite tracking program for tracking multiple satellites
18. smogcli2 modification for 2-receiver Pluto+ SDR