2019 Colorado 14er Event

August 3 & 4, 2019 Saturday and Sunday www.ham14er.org Amateur Radio operators from around Colorado will be climbing many of Colorado’s 14,000-foot mountains and Summits On The Air (SOTA) peaks to set up amateur radio stations in an effort to communicate with other radio amateurs across the state and around the world. Join in on … Read more

VHF SOTA Near Fairbanks

Joyce/K0JJW and I were planning a trip to Alaska to visit several of the national parks. We had some time available while in Fairbanks to do some SOTA activations. We were traveling very light, so we took minimal SOTA gear: a pair of VHF/UHF handhelds and simple antennas. We used my newly-fashioned antenna mount on … Read more

Go Ahead and Call CQ on 2m FM

The conventional wisdom in amateur radio is that we should not call CQ when using FM on the VHF and UHF bands, especially on repeaters. The reasoning for this is that during normal VHF/UHF FM operating, radio amateurs are tuned to a specific frequency and will easily hear a call on FM. Compare this to … Read more

The Myth of VHF Line-Of-Sight

When we teach our Technician License class, we normally differentiate between HF and VHF propagation by saying that HF often exhibits skywave propagation but VHF is normally line-of-sight. For the beginner to ham radio, this is a reasonable model for understanding the basics of radio propagation. As George E. P. Box said, “All models are … Read more