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Ham Radio . Magnum Experimentum

Antennas, experiments, engineering and other articles of interest to radio folks.

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  • Radio Shorthand
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    • interfaces
    • Introspection
    • Lab Shootouts
    • Miscellaneous
    • mobile
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    • power supply
    • Accessories
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Forester

Roof-racking VHF antennas on SUV

January 1, 2021April 7, 2020

Thule roof rails increased my VHF antenna mounting options on my Subaru Forester.

Categories Antennas Tags 2m, 6m, 70cm, Aluminum, Diamond, Forester, measurement, Subaru, Thule, VHF

When antenna tilt matters

June 4, 2018June 3, 2018
Front view of UHF antenna patterns at various side to side tiles of the radiator.

We test a popular VHF/UHF dual band antenna at various angles to reveal antenna tilt on a vehicle matters only in certain circumstances.

Categories Antennas Tags 2m, 440, 70cm, Diamond, Forester, K515, measurement, NR770HBNMO, Subaru

Diamond NR770HBNMO vs. Comet M-24M

February 18, 2020May 10, 2018

The Diamond Antenna NR770HBNMO paired with their K515S insulated luggage rack mount provides measurable and observable upgrade for my 2015 Subaru Forester 2m/440 mobile.

Categories Antennas Tags 2m, 440, 70cm, Comet, Diamond, EFHW, end-fed, Forester, K515, M-24M, measurement, mobile, NR770HBNMO, roof rack, Subaru, UHF, VHF

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Topics & Keywords

2m 6m 10m 15m 20m 40m 43 foot 70cm 80m AHVD APRS Baluns battery BigIR copper Diamond dipole DX-Eng. EFHW Elecraft end-fed EZNEC Field Day Golden Packet hexbeam J-Pole Kenwood kj4faj KX3 kx4o measurement mobile NEC NMO NVIS packet PL259 QRP sdr Simulation SteppIR UHF vertical dipole verticals VHF

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