My name is Brad Arnold and I’ve been an Amateur (HAM) Radio Operator since 2014. I had the original call of KM4DUK after obtaining my Technician License and later requested the vanity callsign of K4NHA which contains my grandfather’s initials who worked with radio many years ago. I currently hold a General class license. Professionally I’ve working in IT for almost 30 years and have been a Network Administrator for a large K-12 school system since 2007. I also operate my own business, Arnold Technology Solutions, providing IT and Tech services to the local area.
What will this Blog contain?
I enjoy digital modes and blending internet connections with radio since it suits my needs and falls in line with my career where I’m the Network Administrator for a large K-12 school system. Off-grid, mobile operations, DMR, and building antennas will be my primary focus to begin with. I primarily operate from my 7’x14′ enclosed work trailer.
Current Equipment
Updated September 2025
- Yaesu FT-891 HF with ATAS-120 Mobile Antenna
- Xeigu X6100 QRP HF with various wire antennas
- Icom IC-2730a VHF/UHF
- Kenwood TM-D700 VHF/UHF/APRS (Favorite mobile radio ever!)
- Motorola XPR5550e for work and DMR (one VHF, one UHF)
- Yaesu FT-8900R (not currently in service, will be a Go-Box build)
- Allstar Node 49611
- DMR Node 3198654
More to Come!
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