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An ideal antenna for, Military, MARS, Apartment dweller, and restricted communities. No Antenna Tuner needed.


cat# 1830NVIS

The BUXCOMM 1830NVIS is an ideal antenna for the Military, MARS, Emergency (EOC), Portable, field-day, apartment dweller, and restricted communities. No Antenna Tuner required.  With "ground tails" the yard space required is less than 70 feet length.

Operate 160 through 10 meters without an antenna tuner.  The BUXCOMM 1830NVIS is PoweRated for 350 watts SSB.   Although the PoweRating is 350 watts SSB, it can withstand 400 watts SSB for 30 second tune-up periods.

BALUN input is 50 ohms, and accepts PL259 coax connector.

The BUXCOMM Model 1830NVIS Vee Sloper, Broadband Antenna, is designed for operation from 1.8 MHz to 30 MHz. The antenna comes pre-tuned, no measuring or cutting is required. This antenna is PoweRated at 350 Watts SSB, 100 Watts PSK CW, FSK & AM, and permits use of today’s continuous coverage transceivers.


Ø Frequency Range 1.8 MHz to 30 MHz

Ø Power Rating 350 Watts SSB, 100 W RMS

Ø VSWR < 2 : 1 (varies with soil compositions)

Ø Polarization Horizontal and Vertical Simultaneously

Ø Radiation Pattern, Bi-directional

Ø Input Impedance 50 ohms (nominal)

Ø Feedpoint Connector UHF Type SO-239
Weight Approximately 5 lbs

The 1830NVIS can be erected using only one (1) support mast, and installed as an inverted Vee.  A 25 ft mast will allow the 1830NVIS to use less than 70 feet of linear yard space.  When your ground rods are installed in a clear area, fluorescent ribbons can be hung from the L1 sections to provide notice to humans, pets and animals.

NVIS (near vertical incident sky wave) antennas are often used by the military for short to medium range communications on the lower HF bands.  The ionosphere supports NVIS communications at most HF frequencies.

This is the reason that many military HF antenna field packs use it in many military field operations.  It's also a fast deployed emergency communications antenna, and it does not need an antenna tuner. It covers the Amateur Radio HF spectrum from 1.5 to 30mhz.  When installed at 15 to 25 feet above ground, it performs as an NVIS antenna, covering 350 to 500 miles.  Install 20 to 35 feet above ground as an Inverted Vee, and it covers 500 to 600 miles, with best propagation at night.

It can be deployed in as little as 15 minutes.  Install in several formats; as an Inverted Vee, a Horizontal (flat-top), or as a sloper.  It is easily concealed from view when installed as an NVIS (Near Vertical Incident Sky wave).

)  Transmit VSWR is less than 2.0
)  Dowsn't need an antenna tuner.
)  Rapid setup and operating.

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  • Shipping Weight: 5lbs

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