KM4ACK

@UCSQhXfGo_68Ta8-2wStAWkw - 38.5K subscribers

Ham radio related videos from an extra class ham that enjoys sharing. I enjoy homebrew projects and the Raspberry Pi.

Home Videos Live Playlists

This Horizon Portable HF Antenna Might Change Your POTA Game

This Horizon Portable HF Antenna Might Change Your POTA Game KM4ACK

3.6K views - 12 hours ago

I Didn’t Expect This to Fix My Radio Mess

I Didn’t Expect This to Fix My Radio Mess KM4ACK

5.7K views - 3 days ago

FCC Letter Issued Over BTech UV-Pro

FCC Letter Issued Over BTech UV-Pro KM4ACK

66.3K views - 6 days ago

This Offline Library Could Save You When the Internet Goes Down

This Offline Library Could Save You When the Internet Goes Down KM4ACK

4K views - 1 week ago

Most Hams Don’t Know About APRSLink… Do You?

Most Hams Don’t Know About APRSLink… Do You? KM4ACK

7.9K views - 1 week ago

This Happened When I Used the IC-7300 MK2 in a Real Park

This Happened When I Used the IC-7300 MK2 in a Real Park KM4ACK

4.6K views - 2 weeks ago

Send REAL RF APRS Packets From Your Phone Over WiFi

Send REAL RF APRS Packets From Your Phone Over WiFi KM4ACK

4.1K views - 2 weeks ago

Before You Tune Your Antenna… Watch This CAA 500 MKII Test

Before You Tune Your Antenna… Watch This CAA 500 MKII Test KM4ACK

8.2K views - 3 weeks ago

What If You Could Control Your Ham Radio From Anywhere? PotaCat

What If You Could Control Your Ham Radio From Anywhere? PotaCat KM4ACK

9.7K views - 3 weeks ago

Is This My New Favorite?

Is This My New Favorite? KM4ACK

9.6K views - 4 weeks ago

What Happens When You Put a Redodo 320Ah LiFePO4 Battery in an EMCOMM Trailer

What Happens When You Put a Redodo 320Ah LiFePO4 Battery in an EMCOMM Trailer KM4ACK

3.7K views - 1 month ago

Can One Device Replace Your Phone in the Wilderness

Can One Device Replace Your Phone in the Wilderness KM4ACK

1.5K views - 1 month ago

This Update Changes Everything for the Retevis HA2

This Update Changes Everything for the Retevis HA2 KM4ACK

2.2K views - 1 month ago

The BEST and Most Surprising Buys from Hamcation 2026

The BEST and Most Surprising Buys from Hamcation 2026 KM4ACK

8.1K views - 1 month ago

The Secret Society Behind Modern Wireless Inside the Radio Club of America

The Secret Society Behind Modern Wireless Inside the Radio Club of America KM4ACK

1.1K views - 1 month ago

Duval County ARES Built the Ultimate Emergency Comms Trailer

Duval County ARES Built the Ultimate Emergency Comms Trailer KM4ACK

13.8K views - 1 month ago

K8MRD is Wrong.com

K8MRD is Wrong.com KM4ACK

10.2K views - 1 month ago

This Event Isn’t What Most Hams Expect

This Event Isn’t What Most Hams Expect KM4ACK

6.8K views - 1 month ago

APRS Bulletins Explained What to Send, When to Send It, and Why

APRS Bulletins Explained What to Send, When to Send It, and Why KM4ACK

4.2K views - 1 month ago

I Found a Serious Flaw on the BTECH UV PRO

I Found a Serious Flaw on the BTECH UV PRO KM4ACK

9.4K views - 1 month ago

APRS During a Snowstorm—Here’s What Actually Happened

APRS During a Snowstorm—Here’s What Actually Happened KM4ACK

8.9K views - 1 month ago

New Information on the Kenwood D750

New Information on the Kenwood D750 KM4ACK

13.4K views - 1 month ago

A Real Ham Radio Failure (And Why Every Operator Needs a PACE Plan)

A Real Ham Radio Failure (And Why Every Operator Needs a PACE Plan) KM4ACK

7.4K views - 1 month ago

Small Creators Make a Great Hobby

Small Creators Make a Great Hobby KM4ACK

4.6K views - 1 month ago

JS8Call on Android

JS8Call on Android KM4ACK

5.1K views - 1 month ago

Don’t Fall for This APRS Marketing — Retevis Ailunce HA2 Tested

Don’t Fall for This APRS Marketing — Retevis Ailunce HA2 Tested KM4ACK

5.9K views - 1 month ago

The IC 705 Upgrade I Wish I Did Sooner

The IC 705 Upgrade I Wish I Did Sooner KM4ACK

8.5K views - 3 months ago

The Connection Failed… Until I Changed ONE Thing

The Connection Failed… Until I Changed ONE Thing KM4ACK

6.8K views - 3 months ago

I Didn’t Expect an Alternator Charger to Work This Well

I Didn’t Expect an Alternator Charger to Work This Well KM4ACK

3.9K views - 3 months ago

This Mini Power Station Surprised Me

This Mini Power Station Surprised Me KM4ACK

2.3K views - 3 months ago

Most Hams Get It Wrong -- Stop Using APRS Like This on the UV Pro

Most Hams Get It Wrong -- Stop Using APRS Like This on the UV Pro KM4ACK

12.1K views - 3 months ago

No Internet, No Cell Phones — Just Ham Radio

No Internet, No Cell Phones — Just Ham Radio KM4ACK

4.6K views - 3 months ago

You Won’t Believe What This Budget Radio Kit Can Do in the Middle of the Woods

You Won’t Believe What This Budget Radio Kit Can Do in the Middle of the Woods KM4ACK

8.5K views - 3 months ago

Venturing Out Regardless of the Weather

Venturing Out Regardless of the Weather KM4ACK

2.7K views - 3 months ago

Watch This BEFORE You Try Meshtastic OTA Updates!

Watch This BEFORE You Try Meshtastic OTA Updates! KM4ACK

3.1K views - 3 months ago

I Set Up a 2M SSB Station on My Tailgate… Here’s What Happened

I Set Up a 2M SSB Station on My Tailgate… Here’s What Happened KM4ACK

8.7K views - 4 months ago

The Best Budget Ham Radios of 2025

The Best Budget Ham Radios of 2025 KM4ACK

5.5K views - 4 months ago

Can This Power Station Really Run an RV AC for an Hour? Aferiy P310 Test!

Can This Power Station Really Run an RV AC for an Hour? Aferiy P310 Test! KM4ACK

1.8K views - 4 months ago

This $19 Cable Completely Changed My Ham Radio Field Kit…

This $19 Cable Completely Changed My Ham Radio Field Kit… KM4ACK

7.7K views - 4 months ago

This Solar Panel Splits in Half! The Modular Power Kit You Didn’t Know Existed

This Solar Panel Splits in Half! The Modular Power Kit You Didn’t Know Existed KM4ACK

2K views - 4 months ago

Why I Sold the Yaesu FTX 1 Field Radio

Why I Sold the Yaesu FTX 1 Field Radio KM4ACK

11.2K views - 4 months ago

This EDC Flashlight Does More Than You Think… | Olight ArkPro Review

This EDC Flashlight Does More Than You Think… | Olight ArkPro Review KM4ACK

1.3K views - 4 months ago

WisMesh Tag vs Seeed T1000 — Which Meshtastic Node Is Really Worth It?

WisMesh Tag vs Seeed T1000 — Which Meshtastic Node Is Really Worth It? KM4ACK

10.1K views - 4 months ago

The Secret Side of APRS

The Secret Side of APRS KM4ACK

7K views - 4 months ago

What Happens When You Send a Picture Over RF Icom ID 50 & IC 705

What Happens When You Send a Picture Over RF Icom ID 50 & IC 705 KM4ACK

1.8K views - 4 months ago

10 Hours - One HT - One Question!

10 Hours - One HT - One Question! KM4ACK

5.4K views - 4 months ago

Can Meshtastic Replace APRS? The Ultimate Showdown!

Can Meshtastic Replace APRS? The Ultimate Showdown! KM4ACK

6.1K views - 5 months ago

You've Been Doing it the Hard Way

You've Been Doing it the Hard Way KM4ACK

3.3K views - 5 months ago

Your USB GPS Is Obsolete – Here’s What to Use Instead

Your USB GPS Is Obsolete – Here’s What to Use Instead KM4ACK

7.2K views - 5 months ago

I Was Losing Every Time … Until I Tried This

I Was Losing Every Time … Until I Tried This KM4ACK

21.6K views - 5 months ago

This $15 Pi Zero Just Bridged Meshtastic to APRS! Full Setup + Demo

This $15 Pi Zero Just Bridged Meshtastic to APRS! Full Setup + Demo KM4ACK

7.6K views - 5 months ago

Beginner Beats the Pros Watch This Kid Dominate a Fox Hunt!

Beginner Beats the Pros Watch This Kid Dominate a Fox Hunt! KM4ACK

1.3K views - 5 months ago

We Installed This Tiny GMRS Repeater… You Won’t Believe the Range

We Installed This Tiny GMRS Repeater… You Won’t Believe the Range KM4ACK

16.7K views - 5 months ago

Why I Ditched the VX6 for the Icom ID50

Why I Ditched the VX6 for the Icom ID50 KM4ACK

7.5K views - 5 months ago

The Perfect HT?

The Perfect HT? KM4ACK

6.6K views - 5 months ago

Stop Suffering with APRS UIs – Use This Setup Instead

Stop Suffering with APRS UIs – Use This Setup Instead KM4ACK

12.6K views - 5 months ago

Skip This Step and Your Trip’s DOOMED

Skip This Step and Your Trip’s DOOMED KM4ACK

2.8K views - 6 months ago

Gear Is Useless Without a Plan — My Power Outage Lesson

Gear Is Useless Without a Plan — My Power Outage Lesson KM4ACK

8.5K views - 6 months ago

Top 5 Android Apps Every Ham Radio Operator Needs!

Top 5 Android Apps Every Ham Radio Operator Needs! KM4ACK

15.1K views - 6 months ago

Would You Trust This Device in an Emergency?

Would You Trust This Device in an Emergency? KM4ACK

3.4K views - 6 months ago