Meshtastic 433 MHz : Mastering Meshtastic On 70cm Band Comprehensive guide for ham radio operators on configuring Meshtastic 433 MHz (70cm) band. Learn about hardware, legal compliance, and antenna optimization

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The ZBitx V2 Has Arrived: Efficiency, Built-in EFHW, And A Wi-Fi Revolution - DXR Electronics Bits Discover the zBitx v2 by Ashhar Farhan (VU2ESE). Explore new hardware features like the built-in EFHW transformer, LDMOS power amplifier, and user interface.

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Khanfar Spectrum Analyzer: A Free RTL-SDR Tool Suite A detailed look at the Khanfar Spectrum Analyzer free RTL-SDR tools covering real-time FFT, wideband scanning, CFAR , IQ recording, and radio direction finding

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The New Digital Frontier: Meshtastic Vs. MeshCore Deciding between Meshtastic and MeshCore for your off-grid LoRa setup? We compare these two powerhouses through lens of amateur radio. Meshtastic vs. MeshCore

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The Silent Revolution: DRM+ Radio In The FM Bands Discover how DRM Radio in FM Bands revolutionizing global broadcasting in 2026. From xHE-AAC technology to

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Build A Quarter-Wave Coaxial Collinear Antenna For 2M Learn how to build a high-gain 2 Meter COCO antenna using quarter-wave coax sections for strong VHF performance. Coaxial Collinear Antenna for 2 Meters

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Build Your Own 90MHz Crystal Controlled FM Transmitter A crystal controlled FM transmitter is a radio frequency circuit that uses quartz crystal oscillator to generate a stable, precise frequency for FM transmission

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Build A Simple FM Band Transmitter Circuit This simple FM band Transmitter circuit offers an excellent starting point for beginners can build this transmitter using common electronic components

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Building A DIYMini FM Radio Transmitter Circuit FM Radio Transmitter takes your voice from a microphone and turns it into a r signal. Then, this radio signal can be picked up by any standard FM radio nearby.

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Meshcore For Ham Radio : Explore Exciting Possibilities Explore Meshcore for ham radio: a low-power, LoRa-based mesh network for local messaging. A complete, impartial guide on hardware, flashing, uses, and limits

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DIY Moxon Rectangle Beam Antenna For 10m, 15m, And 20m Bands Build your own DIY Moxon Rectangle Beam Antenna for 10m, 15m, and 20m bands. This step-by-step guide covers dimensions, wire construction, and tuning tips for a compact, high-gain directional antenna ...

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Build A High-Sensitivity Regenerative Receiver With 2N7000 MOSFET Build a high-sensitivity Regenerative Receiver using the versatile 2N7000 MOSFET. This DIY guide features a stable, low-noise schematic perfect for shortwave listening (SWL) and amateur radio signals ...

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Unlock Exciting Adventures With Meshtastic Ham Radio! Meshtastic ham radio brings LoRa-based off-grid mesh networking. Learn how it works, how to get started, and why emergency comms operators paying attention.

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Ultimate Guide To HF Digital Dominance: FT8 Vs FT4 Vs FT2 Comparision of FT8 vs FT4 vs FT2 digital modes. Learn about speed, sensitivity, and bandwidth to optimize your amateur radio DXing and contesting strategies.

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Multi Band Capacitor Loaded Shortened Dipole Antenna vu3dxr.in/compact-mult...

GM4JMU Shortened Dipole Antenna: Compact Performance for HF Bands vu3dxr.in/gm4jmu-short...

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FT2 Digital Mode In 2026 - What The Community Really Thinks FT2 digital mode reviewed in 2026 — 3.8-second cycles, real shack experiences, technical trade-offs, and whether it deserves a place in your station

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UA4HAZ 20 Meter Folded Dipole Antenna Build the UA4HAZ 20 Meter folded dipole antenna. This space-saving HF antenna design uses bent elements to maintain resonance while fitting into smaller yards.

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Low Height Loop Antenna : A 40-6 Meter Powerhouse Boost HF performance with the Low Height Loop Antenna. Cover 40m–6m using 4m masts and a symmetrical ATU. Ideal for quiet reception and multi-band versatility.

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Explore Exciting Options In Budget Software Defined Radio New to software defined radio? This complete guide compares the best affordable SDRs, explains what to buy first, and shows you what you can do with one

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Thanjavur Fort : From Chola Moat to Ruined Walls This in‑depth article follows Thanjavur fort’s story in strict chronological order, from its early Chola‑Pandya moat to Vijayanagar–Nayak walls, Maratha expansions and British sieges. It also shows ho...

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Shortened Inverted V Antenna for 80 Meters (3.700 MHz) vu3dxr.in/shortened-in...

UR0GT Broadband Avia Antenna: Ultimate Wideband VHF Antenna Detailed guide to building UR0GT Broadband Avia Antenna modified by RW4HVN. Covers dimensions, design principles, SWR performance, construction details

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DIY 145 MHz Twin Delta Loop Antenna For Ham Radio Operators - DXR Electronics Bits A complete guide to building 145 MHz Twin Delta Loop antenna with dimensions, construction tips, feeding method, and performance advantages for VHF ham radio.

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40m Vertical Antenna: Base-Loaded Design For HF Operation Build an efficient 40m vertical antenna with a 15µH base loading coil and short radiator. Ideal for compact HF setups and portable amateur stations

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Build Your Own Indoor Antenna For 7 MHz HF Band - DXR Electronics Bits Discover how to build a compact indoor antenna for 7 MHz using a simple coil-based design. Ideal for amateur radio operators with space constraints

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Compact 40M HF Antennas: Short Dipoles & Short Verticals - DXR Electronics Bits Explore short dipole and vertical antennas for 40 m HF operation—ideal for limited spaces, field setups, and portable ham radio stations. 40M HF Antennas

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The Citadel of the Kaveri: Definitive History of Trichy Rock Fort Rising abruptly from the Kaveri plains, the Tiruchirappalli Rock Fort is a 3.8-billion-year-old geological marvel. This

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Unlocking The Wonders Of Tropospheric Ducting For Radio Hams Discover secrets of tropospheric ducting for VHF DXing. This guide covers temperature inversions, weather maps strategies to master long-distance propagation.

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