Shape7 Shape9 Shape8 Shape1



> Beacons (especially 121.5 MHz and 406 MHz distress beacons)


* All bands

- Autonomous modulator 


* VHF

- Small modulated beacon for Airband 

+ Quartz precision

- Training beacon 121.375 "Half Cube"


* UHF

- Band frequency 406 MHz

- Beacon ARF 406

- A true distress beacon on 406 MHz

- The 121 MHz part of the 406 beacon 

- A small test 406 beacon

- First test prototype + GPS

- “La plume” (“The feather" )

+ PCB "La Plume" UHF part

+ PCB "La Plume", control part

+ Component position 

               (document from ADRASEC78)

+ PCBs + 8 PIN diodes 

- Small test 406 beacon on real frequency, piloted by DDS

       

       F 1 L V T                   

  - 2/6 -

.<.   .>.

Shape2

       Contact : F1LVT@yahoo.fr


Presentation 


Projects and constructions

> Beacons (especially 121.5 MHz and 406 MHz distress beacons)

    * All bands

    * VHF

    * UHF

> Message generator and identification decoder of 406 beacon

    * Message Generator

    * Identification Decoder

> Radio Direction Finding

    * Direction measurement

    * Doppler

    * Homing and TDOA

> Transmissions

    * Projects

    * Cross Band Repeater

> Miscellaneous 

    * Some technical presentations

    * Some websites to visit

> Annexes: DIY constructions, Tools


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French


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