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Repeaters / Unilab / VK7DB Archive

Reversing the KL audio delay bypass mod

Some of the KLs I've got have had the audio delay circuit in the receiver bypassed.  This audio delay is what makes the KL have the nice silent mute action.…

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April 18, 2023
Repeaters / Unilab / VK7DB Archive

2m KL150 PA repair

The KL150 I took from my stock for the new VK7RVP 2m repeater seemed to be in good condition, until I tested it. As usual, the low power mods were performed, channel…

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April 18, 2023
Handheld Radios / Mods

UNLOCK Extended TX for the Quansheng UV-K5

Yes! The UV-K5 can be unlocked for extended TX. I answer how to do this, additional questions about this new radio and spurious emissions test - does it pass? https://youtu.be/mrnwYqYTWsQ…

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April 13, 2023
Ham Radio Reviews / Handheld Radios

Quansheng UV-K5 (BETTER Than a Baofeng!)

I look at a NEW radio - the UV-K5 from Quansheng. With a similar price point, the question that is posed, is this better than a Baofeng radio? Let's find…

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April 13, 2023
10 Metres (28 MHz) / Antennas / Verticals

Build an EASY 10 Meter (28 MHz) Vertical Antenna for DX!

In this video I will show how to build a simple ham radio antenna for 10 Meters using just one piece of coax and some wire. So... let's build a…

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January 24, 2023
6 Metres (50 MHz) / Antennas / Moxon / Yagis

A 6m Moxon Antenna for Restricted Spaces

Our Field Day is coming up, so we decided to build one for the 6 meter band and demonstrate the fun that can be had building and experimenting with antennas!…

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November 23, 2022
HF Radio / Icom / Yaesu

8 Underrated USED Ham Radios YOU CAN STILL BUY!

What radio (ham rig) should you start off with when you get your ham radio ticket? There's still plenty of good radios on the used market. I have owned all…

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August 9, 2022
Ham Radio News

How Many Ham Radio Operators are Worldwide?

Amateur Radio Operator numbers worldwide from data 2000 to 2022. This data has been collected from multiple data sources. Some records only go up to 2018, so data to 2022…

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April 5, 2022
Ham Radio for Beginners / WSJT-X / WSPR

WSPR for Beginners

WSPR (Weak Signal Propagation Reporter) is a mode in the WSJT-X software developed by Dr Joe Taylor K1JT. In this video I show what WSPR is, how to get started…

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January 24, 2022
FT8 / Ham Radio for Beginners / WSJT-X

FT8 for Beginners

FT8 is a mode in the WSJT-X software developed by Dr Joe Taylor K1JT. In this video I show how to get started and make contacts with FT8, introduction for…

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November 11, 2021
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About Me

About Me

Amateur Radio Blog

Hi, I'm Hayden (VK7HH) — an amateur radio operator based in Hobart, Tasmania, Australia. I also hold a US Technician license (KD9SSB). I post regular YouTube videos on all things ham radio, so hit subscribe!
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