Uploaded October 2025 | Updated September 2026, 2 weeks ago
Ready to level up your amateur radio fox hunting (radio direction finding) skills? In this video, we put three popular signal attenuation techniques to the test to see which one performs best when tracking down a hidden transmitter.
We’ll cover:
1️⃣ Using 2nd and 3rd harmonics to reduce signal strength and narrow your search.
2️⃣ Using a traditional RF attenuator to manage strong signals during direction finding.
3️⃣ Using an offset attenuator to isolate and pinpoint your fox with precision.
Watch as we demonstrate each radio direction finding method in real-world conditions, compare their accuracy, and show how each performs when the signal gets too strong. Whether you’re a ham radio operator, a beginner in ARDF, or just curious about how fox hunting antennas and attenuators work, this test will help you understand the pros and cons of each approach.
🎯 Perfect for anyone interested in:
• Amateur Radio Fox Hunting (ARDF)
• Radio Direction Finding Techniques
• Ham Radio Signal Tracking
• Building or Using RF Attenuators
• Hidden Transmitter Hunts
🔹My Favorite Gear - amazon.com/shop/km4ack
🔹Links mentioned in the video
QRP Guys Attenuator - qrpguys.com/qrpguys-10-20-30db-switched-attenuator
Offset Attenuator - kc9on.com/product/fox-hunt-v7
🔹Raspberry Pi Build Guide - tiny.cc/pi4guide
🔹Frequently Asked Questions - tiny.cc/km4ack-faq
🔹Weekly Newsletter - https://mailchi.mp/40da1fe472e3/km4acknewsletter
🔹Follow Me
Twitter @km4ack
🔹FREE Get Started Guide - tiny.cc/getstartedguide
🔹Cool Ham Gear - km4ack.com
🔹Support the channel through Patreon - patreon.com/km4ack
🔹Did you just get a raspberry pi and want to hook it up to your radio? Start here youtu.be/E1SEgPFQk4M
Want your raspberry pi to play nice with your ham radio? Are you into digital modes like FT8, JS8Call, FLDIGI, Winlink, APRS, Digipeaters and others? Each week I put out new content showing you exactly what steps to take to get the latest ham radio software on your raspberry pi. Whether you just want to ragchew or are seriously into emergency preparedness, emcomm, or ARES and want to learn all you can about using the raspberry pi to drive your ham radio, this channel has something for you. Be sure to click the subscribe button and ring the bell before heading off. That way you will get notified of all future videos.
🔹🔹🔹🔹🔹
As an Amazon Associate I earn from qualifying purchases
Ready to level up your amateur radio fox hunting (radio direction finding) skills? In this video, we put three popular signal attenuation techniques to the test to see which one performs best when tracking down a hidden transmitter.
We’ll cover:
1️⃣ Using 2nd and 3rd harmonics to reduce signal strength and narrow your search.
2️⃣ Using a traditional RF attenuator to manage strong signals during direction finding.
3️⃣ Using an offset attenuator to isolate and pinpoint your fox with precision.
Watch as we demonstrate each radio direction finding method in real-world conditions, compare their accuracy, and show how each performs when the signal gets too strong. Whether you’re a ham radio operator, a beginner in ARDF, or just curious about how fox hunting antennas and attenuators work, this test will help you understand the pros and cons of each approach.
🎯 Perfect for anyone interested in:
• Amateur Radio Fox Hunting (ARDF)
• Radio Direction Finding Techniques
• Ham Radio Signal Tracking
• Building or Using RF Attenuators
• Hidden Transmitter Hunts
🔹My Favorite Gear - amazon.com/shop/km4ack
🔹Links mentioned in the video
QRP Guys Attenuator - qrpguys.com/qrpguys-10-20-30db-switched-attenuator
Offset Attenuator - kc9on.com/product/fox-hunt-v7
🔹Raspberry Pi Build Guide - tiny.cc/pi4guide
🔹Frequently Asked Questions - tiny.cc/km4ack-faq
🔹Weekly Newsletter - https://mailchi.mp/40da1fe472e3/km4acknewsletter
🔹Follow Me
Twitter @km4ack
🔹FREE Get Started Guide - tiny.cc/getstartedguide
🔹Cool Ham Gear - km4ack.com
🔹Support the channel through Patreon - patreon.com/km4ack
🔹Did you just get a raspberry pi and want to hook it up to your radio? Start here youtu.be/E1SEgPFQk4M
Want your raspberry pi to play nice with your ham radio? Are you into digital modes like FT8, JS8Call, FLDIGI, Winlink, APRS, Digipeaters and others? Each week I put out new content showing you exactly what steps to take to get the latest ham radio software on your raspberry pi. Whether you just want to ragchew or are seriously into emergency preparedness, emcomm, or ARES and want to learn all you can about using the raspberry pi to drive your ham radio, this channel has something for you. Be sure to click the subscribe button and ring the bell before heading off. That way you will get notified of all future videos.
🔹🔹🔹🔹🔹
As an Amazon Associate I earn from qualifying purchases
