Emergency Winlink Gateway
A field-tested look at the Emergency Winlink Gateway—an off-grid, low-power HF email system built for rapid deployment during real-world disasters.
Near Vertical Incidence Skywave
HF Propagation predictions
An amateur radio operator explores how detailed weather data could predict HF band openings, leveraging temperature, pressure, and historical contact information while considering the impact of cold on equipment conductivity.
Best HF Ham Radio for Grid Down Survival
Choosing the best HF Ham Radio for off-grid or grid-down survival communications is challenging. In this blog, we go through key features every HF survival […]
Beyond LOS (Line of sight)
In preparedness, we can often rely too heavily upon VHF and UHF Communications, with lightweight and portable handheld radios. Let’s discuss how to mitigate the […]
Chameleon LEFS | 40m end fed half wave antenna
Hello Operators. Today on OH8STN Ham Radio we are discussing a Portable Ham Radio HF antenna that covers 6 HF bands, yet requires no antenna […]
Red Cross – Red Crescent Winlink Exercise May 08 2021
Hello Operators.I received this announcement from a couple of different operators. It seems like a great opportunity to support something good, while improving upon our […]
SKYLOOP Antenna | Hybrid Winlink Network Part 1
Hello OperatorsFor some time its been a goal to add additional HF antenna capabilities to the tower. The first thought was adding a yagi! Unfortunately, […]
Ham Radio NVIS for Regional Communications
Hello Operators. My buddy Gil F4WBY the Radio Prepper, just published amazing video on Regional Communications using NVIS or near vertical incidence skywave. Like myself, […]