Uploaded November 2024 | Updated September 2026, 15 hours ago

---

Discover the most advanced yet compact radio telescopes designed for 1420 MHz radio astronomy, the SPIDER 300A MarkII and 500A MarkII. Engineered for educational, outreach and research use, these radio telescopes offer unmatched performance with 3 or 5-meter diameter antennas, delivering high-quality data and exceptional precision.

The SPIDER MarkII series combines power and ease of use, featuring:

• Lightweight, high-precision mesh antennas
• A high-resolution, weatherproof alt-azimuth tracking system
• Durable pier for concrete base installation
• Dual LNA units with specially designed feed for dual left and right handed circular polarisations
• A 1420 MHz radiometer receiver with a 1024-channel spectrometer
• The versatile RadioUniversePRO software for seamless data capture and processing

The SPIDER MarkII series provides all the tools you need for professional-grade data capture for 1420 MHz radio astronomy. Learn more about these innovative radio telescopes on our website: primalucelab.com/radio-astronomy