Understanding HF Antenna Tuners
Eric at HamRadioConcepts has done a great job detailing exactly what an Antenna Tuner does and doesn’t do. He explains the common misconceptions we hear every day when someone is talking about tuning their...
Category: Antennas
New Dipole with Common-mode Choke
After doing quite a bit of research I found that my “ugly balun” wasn’t helping me very much on the bands I primarily use. I was still getting quite a bit of RF back...
Work QTH on the Air
Since I already had a mast mounted on the side of my work building for a 4G LTE booster and outdoor 802.11 wireless I thought why not put a small Diamond X50A 2m/70cm antenna on...
Inexpensive Mag Mount Weatherproofing
I’ve had a love/hate relationship with the cheaper magnet mount manufacturers like Browning and Tram since I became interested in radio back in the scanner days many years ago. My problems seem to always arise after...
Antenna Separation Calculators
I stumbled upon these two calculators while browsing Reddit last night. One is for horizontal separation and the other for vertical separation. Pretty handy if you have limited space in both of those axis...
KF9F Stealth 2m Flower Pot Antenna
This has to be one of the stealthiest antennas I’ve seen yet. Watch out for RF burns when smelling the flowers! http://www.hamuniverse.com/kf9f2meterflowerpot.html
New Antenna Mast
I set out today with the intentions of simply adding a 3-element yagi to my existing mediocre antenna mast just to ensure I can get into one of my local repeaters until warmer weather...
Coax Crimp Connectors Strike Again
The third SMA jumper has bit the dust. These things just can’t handle the stress of being connecting to larger coax or having coax weight on them. Next time I’ll make sure...
Directional Antenna Magic
Directional antennas continue to amaze me as I learn about RF and how different antennas perform different functions. This afternoon I threw my 2m/70cm yagi up on an old camera tripod and connected a...
