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🔧 Poor Man’s HF SSB Receiver — A Brilliant Low-Cost Radio Project by ANTRAK

If you’ve ever dreamed of tuning into the world of HF radio signals without spending a fortune on fancy equipment — this project is for you! The “Poor Man’s HF SSB Receiver”, published by the Ankara Telsiz ve Radyo Amatörleri Kulübü Derneği (ANTRAK), is a shining example of how simplicity and ingenuity can open the door to the fascinating world of amateur radio.

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🌍 The Story Behind the Project

Authored by Barbaros Aşuroğlu (WB2CBA, NY) and Burçak Çubukçu, this two-part ANTRAK project turns a few humble components into a fully functional HF receiver capable of receiving SSB and digital modes like FT8, FT4, JS8, and WSPR.

Barbaros, an experienced ham operator with over 30 years in the field, shared how he rediscovered his passion for HF after years of working on VHF/UHF. He wanted a simple receiver to monitor digital weak-signal communications — and that’s where this innovative idea was born.

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⚙️ What Makes It Special

The receiver uses the NE602/SA602 mixer IC, a classic chip known for its simplicity and performance. It’s built around five key sections:

1. Low Pass Filter (LPF) – Keeps unwanted signals out.

2. Mixer (NE602) – Converts radio frequencies into audio.

3. Audio Amplifier (LM358) – Brings sound to your PC sound card.

4. VFO with SI5351A – Generates stable frequencies digitally.

5. Arduino Nano Controller – Lets you switch between four preset frequencies for different modes.

🎯 Designed initially for the 20 m band (14 MHz), it can easily be modified for other HF bands — simply by tweaking the LPF and frequency settings.

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🧠 Educational, Economical & Exciting

What makes this project stand out is its learning value and affordability. Using common, low-cost modules, even beginners can assemble it and start exploring the airwaves.

Burçak Çubukçu’s “Let’s Build It” article adds practical insights, detailed schematics, and helpful tips — making it a complete guide for makers.

Whether you want to experiment with FT8, track WSPR beacons, or just listen to HF chatter, this project offers a rewarding path to get started.

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💡 Key Advantages

✅ Low-Cost & Easy-to-Build – Uses affordable modules like Arduino Nano & SI5351A.
✅ Beginner-Friendly – Minimal tuning, straightforward design.
✅ Modular Design – Easily adapt to other HF bands.
✅ Educational Value – Perfect for learning HF receiver principles.
✅ Digital-Mode Ready – Ideal companion for WSJT-X, JS8Call, etc.

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📻 Conclusion

The “Poor Man’s HF SSB Receiver” isn’t just a project — it’s a gateway to learning and experimenting with radio technology. It proves that innovation doesn’t always require expensive tools — just curiosity, creativity, and community spirit.

Kudos to Barbaros Aşuroğlu (WB2CBA, NY) and Burçak Çubukçu for sharing this gem with the world through ANTRAK!

👉 Explore the full project on ANTRAK’s official site:
🔗 Poor Man’s HF SSB Receiver – ANTRAK
🔗 Let’s Build It – ANTRAK

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10/09/2025

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Suraj is a Commerce Post Graduate and book author and Tax litigation paralegal.

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