jufo-project-radiosonde

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jufo-project-radiosonde

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Ultralight radiosondes for long-term measurements in the stratosphere

jufo-project-radiosonde 최신버젼 다운로드

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# *ISEF* / *Jugend forscht*: radiosonde project

The objective of this project is to develop ultralight radiosondes for long-term measurements in the stratosphere.

This project won [First Award](https://abstracts.societyforscience.org/Home/FullAbstract?&ProjectId=21789) and the [Craig R. Barrett](https://abstracts.societyforscience.org/Home/FullAbstract?&ProjectId=21789) Award for Innovation at *ISEF*, the world's largest student sience competition. In addition, the project won [national first prize](https://www.jugend-forscht.de/projektdatenbank/in-80-tagen-um-die-welt-kleine-sonden-auf-grosser-mission.html) at *Jugend forscht*, Germany's largest youth science competition.

**Developer contact: [DL9AS@qsl.net](mailto:DL9AS@qsl.net)**

## Flight path

![radiosonde-3-lite_with_solar_array.png](https://raw.githubusercontent.com/DL9AS/jufo-project-radiosonde/main/Documentation/balloon_flight-map-11.png)

On the previous stratospheric flights, the sondes were able to stay in the air for 25 days and circumnavigate the world several times.

## 4th radiosonde version
The 4th generation radiosonde adds support for aerial imaging.

### Hardware

| ![radiosonde-2-lite_front](https://raw.githubusercontent.com/DL9AS/jufo-project-radiosonde/main/Documentation/radiosonde-4-lite_front.png) | ![radiosonde-2-lite_back](https://raw.githubusercontent.com/DL9AS/jufo-project-radiosonde/main/Documentation/radiosonde-4-lite_back.png) |
| ------------------------------------------------------- | ----------------------------------------------------- |

| ![radiosonde-4-lite_front_2](https://raw.githubusercontent.com/DL9AS/jufo-project-radiosonde/main/Documentation/radiosonde-4-lite_front_2.png) |
| ----------------------------------------------------------- |

### Aerial images

| ![2-aerial_image_radiosonde_4](https://raw.githubusercontent.com/DL9AS/jufo-project-radiosonde/main/Documentation/2-aerial_image_radiosonde_4.png)Berlin, Germany | ![2-aerial_image_radiosonde_4.png](https://raw.githubusercontent.com/DL9AS/jufo-project-radiosonde/main/Documentation/3-aerial_image_radiosonde_4.png) Berlin, Germany|
| :---------------------------------------------------------------: | :-------------------------------------------------------------------: |
| ![3-aerial_image_radiosonde_4](https://raw.githubusercontent.com/DL9AS/jufo-project-radiosonde/main/Documentation/6-aerial_image_radiosonde_4.png) **Lubiczyn, Poland**  | ![4-aerial_image_radiosonde_4.png](https://raw.githubusercontent.com/DL9AS/jufo-project-radiosonde/main/Documentation/7-aerial_image_radiosonde_4.png) **Nitra, Slovakia** |

## 3rd radiosonde version:

The 3rd generation radiosonde is ultra light and weighs only **4.8g with solar cells**.

### Hardware

| ![radiosonde-2-lite_front](https://raw.githubusercontent.com/DL9AS/jufo-project-radiosonde/main/Documentation/radiosonde-3-lite_front.png)  | ![radiosonde-2-lite_back](https://raw.githubusercontent.com/DL9AS/jufo-project-radiosonde/main/Documentation/radiosonde-3-lite_back.png) |
| ---- | ---- |

![radiosonde-2-lite_front_3](https://raw.githubusercontent.com/DL9AS/jufo-project-radiosonde/main/Documentation/radiosonde-3-lite_front_3.png)

### Assembled radiosonde

![radiosonde-3-lite_with_solar_array.png](https://raw.githubusercontent.com/DL9AS/jufo-project-radiosonde/main/Documentation/radiosonde-3-lite_with_solar_array.png)

## 2nd radiosonde version with camera:

| Aerial image | Radiosonde  |
| :----: | :----: |
| <img src="Documentation/aerial_image_radiosonde_2.png" title="" alt="Documentation/aerial_image_radiosonde_2" width=100%> | <img src="Documentation/radiosonde-2-lite_with_camera.png" title="" alt="Documentation/radiosonde-2-lite_with_camera" width=60%> |

## 2nd radiosonde version

### Assembled radiosonde

![radiosonde-2-lite_without_solar_array](https://raw.githubusercontent.com/DL9AS/jufo-project-radiosonde/main/Documentation/radiosonde-2-lite_without_solar_array.JPG)

PCB breakout taps:

![radiosonde-2-lite_breakouts](https://raw.githubusercontent.com/DL9AS/jufo-project-radiosonde/main/Documentation/radiosonde-2-lite_breakouts.JPG)

Solar cell array:

![radiosonde-2-lite_solar_array](https://raw.githubusercontent.com/DL9AS/jufo-project-radiosonde/main/Documentation/radiosonde-2-lite_solar_array.JPG)

![radiosonde-2-lite_with_solar_array](https://raw.githubusercontent.com/DL9AS/jufo-project-radiosonde/main/Documentation/radiosonde-2-lite_with_solar_array.JPG)

![radiosonde-2-lite_with_solar_array_2](https://raw.githubusercontent.com/DL9AS/jufo-project-radiosonde/main/Documentation/radiosonde-2-lite_with_solar_array_2.JPG)

## 1st radiosonde version

### Assembled radiosonde

![radiosonde-1_with_solar_array](https://raw.githubusercontent.com/DL9AS/jufo-project-radiosonde/main/Documentation/radiosonde-1_with_solar_array.JPG)

## Balloon

![radiosonde-1_in_the_air](https://raw.githubusercontent.com/DL9AS/jufo-project-radiosonde/main/Documentation/radiosonde-1_in_the_air.jpg)

## APRS/AX.25 packet description

![aprs paket description](https://raw.githubusercontent.com/DL9AS/jufo-project-radiosonde/main/Documentation/aprs_packet_description.svg)

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