The AS-2259GR antenna is constructed from an aluminum tube mast and a long wire type antenna. When fully erected it stands just under 14 feet tall.

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Today I got the main build done and made a couple of contacts with it on 40 meters.

As 2259 gr antenna. This is pretty much the same antenna as the. AS-2259GR military antenna Portable design based on lightweight metal mast that is a 50 ohm coax There are 4 antenna elements that are also used as guy lines to support the antenna The elements are 24 10 and the long elements are 36 10 A short and a long element are connected to the outer ground side of the mastcoax. Last year I lucked into buying a new old stock NOS AS-2259GR NVIS antenna including everything except a base for 60.

BAOFENG BF-F8HP UV-5R 3rd Gen 8-Watt Dual Band Two-Way Radio 136-174MHz VHF 400-520MHz UHF Includes Full Kit with Large Battery Upgrades from our Previous Generation UV-5R. It consists of two crossed inverted V dipoles positioned at right angles to each other and is supported at the center by a 15-foot mast. It is designed to be mounted on top of a radio but with a special adapter may be mounted on a vehicle.

Safety steps is the victim to follow if of electrical tm 11-5985-379-14p someone shock do not try to pull or grab the individual if possibleturn off the electrical powe r. When fully erected it stands just under 14 ft. The most interesting thing about the AS-2259 is that the hollow 125 tube that makes up its mast also serves as a low loss feed line.

At the top there are 4 antenna elements that are used as guy lines to support the antenna. AS-2259GR is a HF NVIS- antenna. Theres a male end and a female end.

Most CARA members just finished making NVIS antennas for HF emergency service use on 80 and 40 meters. AS-2259GR Antenna Stowed for Transporting in the Back-Pack Manner. A distance up to 500 km can be covered.

When fully erected it stands just under 14 ft. Homebrew AS-2259GR NVIS Antenna By N3OC The AS-2259GR is an NVIS near vertical incident skywave military antenna for short to medium range communications on the lower HF bands. One is a halfwave dipole for 68 MHz the second a halfwave dipole for 10 MHz.

The military uses a dual band NVIS antenna known as the AS-2259GR. Half of that is mountainous sharply limiting line of sight communications. It consists of two invertet Vee dipoles meeting at right angles at the mast top.

The TM for this antenna is available from LOGSA and MARS sites as of February 2007. I switched to 80 CW and did get spotted. Ground-Wave and Sky-Wave Propagation From Vertical Antenna.

I didnt stay out because the sun was setting and it was getting cold. It consists of two crossed inverted V dipoles positioned at right angles to each other and is supported at the center by a 15-foot mast. The AS-2259GR Antenna is constructed from an aluminum tube mast and a long wire type antenna.

It is designed to replace a whip antenna when terrain makes surface wave. The antenna was designed for military use from 2 to 10 MHz some references say 2 to 30 MHz. Theory of operation Figure 3-1.

The military uses a dual band NVIS antenna known as the AS-2259GR. The antenna was designed for military use from 2 to 10 MHz some references say 2 to 30 MHz. Vehicular Installation of AS-2259GR Antenna using Adapter MX-9313GR.

The correct antenna pattern shown in Figure 1 is surprisingly easy to generate. The short antenna element is 2 2410 long and the long antenna element is 2 3610 long. The AS-2259GR antenna is designed to provide high-angle radiation near vertical incidence to permit short-range skywave propagation over communication circuits varying from 0 to 300 miles.

TM 11-5985-379-14P The manual is based upon use of the PRC-47 and contains a lot of NVIS information as well as info on the AS-2259. It is designed to replace a whip antenna when terrain. I tried on 75 meters but it was still early and the band seemed quiet.

Buying a new base for a AS-2259GR antenna. NVIS and the AS-2259GR PVC Clone Colorado ARES R3D2 efore we get into the how lets start with the Zwhy. Figure 4 shows a theoretical two-element yagi designed for 75m 38 MHz.

AS 2259gr NVIS Antenna cover distance upto 400 miles. FN33eh Extra OK so I decided to build myself an AS-2259GR-style antenna. Twice the Output Power 8 watts up from 4 watts output New Hardened Durable Radio Shell 30 Larger Battery V-85 High Gain Antenna Twice the Antenna Performance USA Support In-depth User Guide Included.

A typical elevation plane pattern is shown in figure M-4. A typical receive signal pattern for antenna AS-2259GR is shown in figure M-2 and the path length and incident angle are shown in figure M-3. It can be erected by two men in 5 by one man in 15 minutes.

The AS-2259GR Antenna is constructed from an aluminum tube mast and a long wire type antenna. Larimer and Weld ounty comprise 6656 square miles with a worst-case distance of approximately 130 miles between any two locations. It is designed to replace a whip antenna when terrain makes surface wave propagation impossible.

The antenna consists of a half-wave dipole driven element and a passive reflector. For about 6 months I contacted everyone who said they sold the bases as NOS and had a series of Ebay alerts. The antenna design is based on the military AS-2259 with the dimensions shown in Figure 1.

It is designed to be mounted on top of a radio but with a special adapter may be mounted on a vehicle. It has been made over the years by several manufacturers and when available they are usually somewhat expensive. First lets look at the theory.

Down load or do a search for AS-2259. Here is the Army Technical Manual for the AS-2259GR Antenna. The AS-2259GR may be used with tactical hf radios that.

Further information can be found at W9WISs web site. The reflecting element is 5 longer than the driven element and is. The bases for these antennas can be hard to find.

Harris Communications manufactures the antenna as the Model RF-1936. The main difference between this short-range NVIS mode and the standard long-range sky-wave HF mode is the lower frequency required to avoid. The cross dipole wire lengths of 38 ft and 25 ft provide for a reasonably small antenna.

It is designed to be mounted on top of a radio but with a special adapter may be mounted on a vehicle. The Antenna System 2259 consists 7 mast sections each about 2 feet long that are 50 Ohm coax hard lines. Antenna as-2259gr nsn 5985-00-106-6130 headquarters department of the army 14 february 1986.