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DIY Antennas, QRP, SDR & Ham Radio Projects from VU3DXR

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Satellites

Explore the world of amateur radio satellites at vu3dxr.in. This category provides technical guides on tracking, operating through orbiting repeaters, and building specialized antenna systems. From beginner-friendly FM birds to advanced linear transponders and SDR setups, discover practical insights to help you achieve successful satellite communication from your shack.

GOES-R Series Satellite
Antenna Articles DIY Reception Satellites SDR

The Ultimate DIY Guide to Setting Up a GOES-R Series Satellite Receiver for High-Resolution Weather Imagery

August 13, 2025March 24, 2026PrabakaranComment(0)

GOES-R satellite reception guide — assemble an L-band dish/patch, filtered LNA, and RTL-SDR to capture continuous high-resolution weather imagery without internet

Ham Radio vs AST SpaceMobile: Why the 70 cm Band is Under Threat
Articles News Satellites

When Satellites Encroach: Ham Radio vs AST SpaceMobile

August 9, 2025March 24, 2026PrabakaranComment(0)

Ham radio users fear interference as AST SpaceMobile seeks to use the 70 cm band. FCC decision could shape the future of amateur radio

Meteor-M 2 series satellite
Articles Guide Satellites SDR VHF/UHF

How to Receive Stunning Weather Images from Meteor-M2 Satellites

August 8, 2025March 24, 2026PrabakaranComment(0)

Learn how to receive high-resolution LRPT weather images from Meteor-M2 satellites using an RTL-SDR, 137 MHz antenna, and SatDump decoder. Complete guide covering pass prediction, signal reception, and image decoding for satellite enthusiasts

noaa 15 1
Articles News Satellites SDR Tools

The End of NOAA-15 and NOAA-19: What’s Next for Weather Satellite Hobbyists?

August 7, 2025March 30, 2026PrabakaranComment(0)

NOAA-15 & NOAA-19 shutdown in Aug 2025 ends APT signals. Hobbyists: explore Meteor-M2, GOES, & SDR skills to keep decoding weather satellites data.

DIY Antenna

  • FM Loop Antenna
  • COCO Antenna (VHF)
  • FBK Sleeve Antenna (VHF/UHF)
  • Shortened G5RV Antenna (HF)
  • High Gain Collinear Antenna(HF/UHF)
  • Popovic Antenna (HF/UHF)
  • Shortened EFHW (40-10M)
  • Shorty Forty Antenna (HF)
  • Indoor Antenna (40M)
  • 40m Vertical Antenna (HF)
  • Compact 40M HF Antenna
  • GM4JMU Shortened Dipole (HF)
  • Delta Loop VHF Antenna
  • Aperiodic Multiband Wire Antenna
  • Capacitor Loaded Shortened Dipole Antenna
  • HF Delta Loop Antenna
  • ZED Dipole Antenna (VHF)
  • Loaded Loop Antenna (HF)
  • Sleeve Dipole Antenna (VHF)
  • Twin Delta Loop Antenna
  • Broadband VHF Antenna
  • Shortened Inverted V antenna (HF)
  • Multiband G5RV Antenna

2M Antenna (13) AM (11) Amateur Radio Projects (20) AM HF Transmitter (14) Antenna Projects (86) Audio Compressor (22) circuits (22) Compact Antennas (12) CW (16) DIY electronics (17) DIY radio (12) ESP32 DSP Radio (21) HF wire antenna (16) Loop antenna (11) Microphone Preamplifier (13) Mike Compressor (18) QRP (13) radio (21) Software Defined Radio (25) transmitter (33) VHF/UHF Antenna (23)

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  • Antenna (103)
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  • VHF/UHF (57)
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