I've been asked a couple times recently to cover my masts, how I'm getting my HF antennas into the air. This video covers two such methods for HF antennas, and a bonus third method for mounting short (read: V/UHF antennas) right at the roof line
The first antenna is a Comet H422 and HyGain Tail-Twister rotor on top of two 21 foot pieces of galvanized pipe, a 1.25" telescoped inside a 1.5", mounted a couple feet into the ground with some concrete, and through a hole drilled in the over-hang of my roof line. When the inner pipe has been shimmied up into the air, a bolt is inserted into the outer pipe for the inner pipe to rest on top of.
* Antenna: www.dxengineering.com/parts/c...
* Rotor: www.dxengineering.com/parts/h...
* Guy rope ring: www.ebay.com/itm/261751460581
* Galvanized pipe and stainless steel bolts: From my local hardware store.
The second antenna is a W6NBC Double Delta Slot HF Antenna, using as the mast a 20 foot section of 2x4 lumber bolted to a steel fence post. These same 2x4 lumber masts were previously used to hold a long-wire antenna 20 feet in the air.
* W6NBC Antenna: w6nbc.com/articles/2020-TBDdo...
* My analysis of this antenna: • Smitty working on SOME...
* Lumber: From my local lumber yard.
The third antennas are just short ADS-B UHF antennas, mounted directly into "6 inch mast mounts", but screwed into studs right at the roof line so the majority of the antenna is above the roof. But over all, it requires very little actual mounting hardware.
* ADS-B (1090MHz) antenna and hardware:
* Antenna: smile.amazon.com/dp/B00WZL6WPO/
* RTL Dongle: smile.amazon.com/gp/product/B... (Unavailable as I write this (2021 Feb), but will hopefully come back?)
* UAT (978MHz) antenna and hardware:
* Antenna: smile.amazon.com/gp/product/B...
* RTL Dongle: smile.amazon.com/dp/B083JJG4LC/
* Mast mounts: www.dxengineering.com/parts/r... (I mistakenly called them "6 inch" in the video. Apparently, they're only 3 inch.)
Негізгі бет Ғылым және технология Smitty working on SOMETHING: Antenna Masts On The Cheap
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