# Diwata-2

> microsatellite of the Philippines

**Wikidata**: [Q29017851](https://www.wikidata.org/wiki/Q29017851)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Diwata-2)  
**Source**: https://4ort.xyz/entity/diwata-2

## Summary
Diwata-2 is a microsatellite developed by the Philippines as part of the STAMINA4Space Program, launched in 2018 for Earth observation, communications, and amateur radio purposes. It is the second Philippine-made satellite, following Diwata-1, and operates in low Earth orbit.

## Key Facts
- **Launch Date**: October 29, 2018, at 04:08 UTC from the Yoshinobu Launch Complex Launch Pad 1.
- **Mass**: 57.36 kilograms.
- **Operator**: Department of Science and Technology (Philippines).
- **Manufacturers**: Collaborative effort by the Department of Science and Technology, Hokkaido University, and Tohoku University.
- **Launch Vehicle**: H-IIA (H-IIA-40 variant) by Mitsubishi Heavy Industries.
- **Orbit**: Low Earth orbit.
- **Classifications**: Small satellite, communications satellite, Earth observation satellite, amateur radio satellite.
- **Amateur Radio Callsign**: DW4TA.
- **Aliases**: PO-101, Philippines-OSCAR 101, Diwata-2B.
- **Twitter Handle**: @Diwata2PH (active since April 15, 2019).

## FAQs
### Q: What is the purpose of Diwata-2?
A: Diwata-2 is designed for Earth observation, telecommunications, and amateur radio transmissions. It supports scientific research, disaster monitoring, and educational initiatives in the Philippines.

### Q: Who built Diwata-2?
A: It was developed collaboratively by the Philippine Department of Science and Technology, Hokkaido University (Japan), and Tohoku University (Japan).

### Q: When was Diwata-2 launched?
A: Diwata-2 was launched on October 29, 2018, aboard an H-IIA rocket from Japan’s Yoshinobu Launch Complex.

### Q: What is the significance of Diwata-2’s amateur radio function?
A: Diwata-2 carries an amateur radio unit (callsign DW4TA), enabling global radio enthusiasts to communicate and conduct experiments via satellite.

### Q: How does Diwata-2 contribute to the Philippines?
A: It provides critical data for environmental monitoring, disaster response, and agricultural planning, enhancing the Philippines’ space capabilities and scientific research.

## Why It Matters
Diwata-2 represents a significant milestone for the Philippines’ space program, demonstrating the country’s growing expertise in satellite technology. As part of the STAMINA4Space Program, it supports national development by providing high-resolution Earth imagery for disaster management, climate studies, and resource monitoring. The satellite’s amateur radio payload also fosters international collaboration and educational outreach, engaging students and researchers in space science. By leveraging partnerships with Japanese universities, Diwata-2 showcases the benefits of international cooperation in advancing space technology for emerging spacefaring nations.

## Notable For
- **First Philippine-made satellite with amateur radio capabilities**, enabling global communication experiments.
- **Lightweight design**: Weighs only 57.36 kg, classifying it as a microsatellite.
- **Multifunctional payload**: Combines Earth observation, communications, and amateur radio in a single platform.
- **International collaboration**: Developed with support from Hokkaido University and Tohoku University, highlighting academic and technological partnerships.
- **Disaster response tool**: Provides critical data for monitoring natural disasters in the Philippines.

## Body
### Overview
Diwata-2 is a microsatellite developed under the Philippine Scientific Earth Observation Microsatellite (PHL-Microsat) program, a component of the broader STAMINA4Space initiative. It follows Diwata-1, the Philippines’ first microsatellite, and expands the country’s capabilities in space-based Earth observation.

### Technical Specifications
- **Mass**: 57.36 kg.
- **Orbit**: Low Earth orbit (LEO).
- **Launch Vehicle**: H-IIA (H-IIA-40 configuration), operated by Mitsubishi Heavy Industries.
- **Amateur Radio Callsign**: DW4TA, allowing radio operators worldwide to interact with the satellite.

### Development and Launch
- **Manufacturers**: Jointly built by the Philippine Department of Science and Technology, Hokkaido University, and Tohoku University.
- **Launch Date**: October 29, 2018, from the Yoshinobu Launch Complex Launch Pad 1 in Japan.
- **Significant Event**: The launch marked the Philippines’ second successful satellite deployment, reinforcing its emerging space program.

### Mission and Applications
Diwata-2 serves multiple purposes:
- **Earth Observation**: Captures high-resolution images for environmental monitoring, agriculture, and urban planning.
- **Communications**: Facilitates data transmission for research and disaster response.
- **Amateur Radio**: Engages the global amateur radio community through its DW4TA callsign, promoting educational and experimental use.

### Legacy and Impact
Diwata-2 has strengthened the Philippines’ position in space technology, demonstrating the feasibility of locally developed satellites. Its data supports government agencies in policy-making, disaster preparedness, and climate adaptation. The project also inspires future generations of Filipino scientists and engineers, fostering interest in STEM fields.

## Schema Markup
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{
  "@context": "https://schema.org",
  "@type": "Thing",
  "name": "Diwata-2",
  "description": "Microsatellite of the Philippines for Earth observation, communications, and amateur radio.",
  "url": "https://stamina4space.upd.edu.ph/diwata-2/",
  "sameAs": [
    "https://www.wikidata.org/wiki/Q60824200",
    "https://en.wikipedia.org/wiki/Diwata-2"
  ],
  "additionalType": [
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## References

1. Jonathan's Space Report
2. [STAMINA4Space - Diwata-2](https://stamina4space.upd.edu.ph/diwata-2/)
3. [Source](https://blog.phl-microsat.upd.edu.ph/amateur-radio-unit-information-and-usage-db62a589531d)