Cockroach — Prepper Central
Creator

@KM4ACK

· 9 videos curated

Off-grid ham radio, digital modes, Raspberry Pi field setups.

9 videos in Comms

Most Hams Don't Know How Easy APRS Is on a Pi Zero 2W
16:27YouTube

Most Hams Don't Know How Easy APRS Is on a Pi Zero 2W

Comms·3k views·2 days ago

Step-by-step tutorial to build a low-power APRS station using a Raspberry Pi Zero 2W, sound card interface, and GPS receiver.

aprsraspberry-pipacket-radiodigipeatergps-configurationamateur-radiolow-power-comms
Simple Gear, Real Results
3:49YouTube

Simple Gear, Real Results

Comms·4k views·3 days ago

Field test of Winlink packet radio from roadside using a handheld transceiver and smartphone over Bluetooth.

winlinkpacket-radiohandheld-radiokenwood-th-d74androidantenna-comparisonfield-testing
My Off-Grid Comms Server
24:13YouTube

My Off-Grid Comms Server

Comms·4k views·5 days ago

Building a Raspberry Pi-based offline communications platform for ham radio operators with mapping, logging, and ICS forms.

raspberry-piamateur-radioaprsics-formsoffline-serveremergency-comms
The Coolest Ham Radio Project You Haven't Heard About
18:39YouTube

The Coolest Ham Radio Project You Haven't Heard About

Comms·4k views·1 week ago

Tour of Graywolf, an all-in-one APRS station with web UI that simplifies setup of beacons, digipeaters, and iGates.

aprsgraywolfraspberry-pidigipeaterigateham-radiomessaging
The Comment Section Was Right
10:48YouTube

The Comment Section Was Right

Comms·3k views·1 week ago

Step-by-step walkthrough of flashing a Seeed Solar node with MeshR firmware, configuring repeater settings, and troubleshooting initial deployment.

meshrfirmware-flashinglora-repeaterseeed-solar-nodebootloader-update
Still Using Stock HT Batteries? Watch This First
2:53YouTube

Still Using Stock HT Batteries? Watch This First

Comms·4k views·2 weeks ago

Kevin W0AEZ demonstrates his extended-capacity HT battery packs with USB-C fast charging, user-serviceable design, and ASA construction for thermal durability.

ht-batteriesusb-c-chargingright-to-repairft70dd74-d75qrp-battery
Why VARA HF Is Replacing 300 Baud Packet for APRS
20:00YouTube

Why VARA HF Is Replacing 300 Baud Packet for APRS

Comms·4k views·2 weeks ago

A technical overview of VARA's weak-signal performance and forward error correction, plus a step-by-step build guide for a Windows stick-PC based mobile APRS tracker.

vara-modemhf-aprsstick-pcvaratrackigate-networkui-view
The Best Antenna You Can Buy - N9TAX
4:34YouTube

The Best Antenna You Can Buy - N9TAX

Comms·18k views·2 weeks ago

N9TAX describes his handmade dual-band J-pole antennas, explaining construction details, connector options, cable lengths, and why he uses different twin-lead sizes for UHF versus dual-band models.

j-pole-antennadual-band-antennaantenna-connectorstwin-leadportable-antenna
Dayton Hamvention Floor Walk 2026
39:18YouTube

Dayton Hamvention Floor Walk 2026

Comms·8k views·3 weeks ago

Two operators walk the Dayton Hamvention vendor floor, stopping at booths for digital HF modems, mesh networking gear, mobile antennas, and QRP kits.

hamventionhf-digitalmeshtasticmobile-antennasqrp-equipmentvendor-floor