ANTENNA ACCESSORIES

1.      AZ/EL ADJUSTABLE MAST FOR HELICAL ANTENNAS

 The aluminum antenna mast Model MAST-C4/5/6 can be used to set manually with a hex-head wrench the antenna elevation from the horizontal to the vertical, and azimuth may be adjusted through 360 degrees.

            SPECIFICATIONS

                        Height:                          60”

                        Diameter:                    3.5”

                        Weight:             30lbs.

                        Adjustment:                Azimuth – 360 degrees

                                                            Elevation - +/- 90 degrees

                        Finish:                           Black, white or olive drab

Material:              Aluminum       

2.      DIELECTRIC MAST

The fiberglass mast Model MAST –18/A, 18 feet high and Model MAST – 10/A, 10 feet high are used with ADM Corporation’s Log-Periodic Dipole Antennas, Model LPDA-220/A and LPDA-330/A.  The base of the antenna is provided with an aluminum base plate which should be anchored appropriately to ensure personal safety and also to performance of the antenna both electrically and mechanically.

SPECIFICATIONS

            Mast Height:              10 to 18 feet

            Mast Diameter:            4.0” OD x 3.5” ID

                                                3.5” OD x 3.0” ID

            Weight:             2.0 lbs/foot

            Base Plate:                10” Square

            Mounting Holes:            7/8” diameter

            Color:                           Gray on iridite finish

            Material:                       Aluminum

            Construction:                Welded

3.      HEAVY DUTY BOLT DOWN BASE

The steel heavy duty bolt down base, MODEL HDB-4 can be used to deploy or mount any antenna in general or particularly ADM corporation’s helical antennas permanently on the ground, on roof tops or in any location where space permits.

SPECIFICATIONS

Size: 18” square

Height: 9”

Diameter of the stub: 3”

Mounting Holes: 0.5” diameter

Weight: 50 lbs.

Finish: Black

Material: Steel

4.      TRIPODS

A.    WOODEN TRIPOD FOR EMI, EMC AND TEMPEST ANTENNAS

The Tripod MODEL T-1 is equipped with a two way locking device which prevents the tripod from sliding or collapsing on any type of  floor.  Each Leg locks separately and securely.  Legs are reversible with rubber tips for shielded room use or steel spikes for field testing.

SPECIFICATIONS

                        Height:                          Adjustable, 40 to 66”

                        Mounting Surface:            6” diameter

                        Antenna Hold Down

                        Wing Screw:              ¼ - 20

                        Support Weight:            200 lbs.

                        Materials:                     Wood & Aluminum (Non-Magnetic)

                        Finish:                           Natural

B.     TRIPOD FOR ADM-C2 SATCOM ANTENNA

VHF/UHF SATCOM Antenna MODEL ADM-C2 mounts on a strong, lightweight aluminum Tripod MODEL T-2 whose leg lengths are adjustable.  The antenna can be positioned in any azimuth position over 360 degrees  and can be secured in position.  Also the height can be varied at the same time.  The Elevation can be adjusted over – 20 degrees below horizon to +70 degrees above horizon in 10 degree increments and can be secured in that position too using the gear wheels on the antenna and on the tripod mast.  The tripod legs are provided with hooks on its legs, to support a ballast on which a radio or sand bag can be placed (either of which can functions as stabilizers on difficult surfaces or in high winds).

SPECIFICATIONS

                        Height:                          Adjustable, 30” to 60”

                        Mounting:                    Gear wheel on the antenna mates with the gear

                                                            wheel on the tripod Central mast.

                        Support Weight:            100 lbs.

                        Material:                       Aluminum

                        Finish:                           Black anodize or olive drab

C.    TRIPOD FOR LOG-PERIODIC DIPOLE ANTENNAS ABOVE 1 GHz

The tripod model T-4 is ideally suited for mounting LPD series of antennas which operates above 1 GHz in an RFI/EMC/Tempest test environment.  The legs of this antenna are made of fiberglass which screws into a small aluminum antenna mast mounting surface.  This tripod model T-3 is similar in construction and offers higher load bearing capacity.

SPECIFICATIONS

            Height:                          15”

            Weight:             1.5 lbs.

            Load capacity:                      8 lbs.

            Mounting Stud:            ¼ - 20

D.    UNIVERSAL JOINT

Universal Joint Model UJ-1 made of white delrin can be used to position ADM LPD’S on the support mast, permitting continuous elevation and polarization adjustment from –90 to +90 degrees using the “two T” handles.

SPECIFICATIONS

            Mast Height:              23”

            Mast Diameter:            1.5”

            Adjustment:                +/- 90 degrees in roll and elevation planes

            Load Capacity:            <10 lbs. (for heavier loads gear wheel type of

                                                Universal Joint, model UJ-2 is available)

            Mounting:                    On any tripod with ¼ - 20 stud

            Finish:                           Black

5.      CUSTOM DIPLEXERS, FILTERS, LOW NOISE AND POWER AMPLIFIERS

For pricing information call ADM Corporation with your specifications.

·        CUSTOM ANTENNAS ( 100 Hz – 40 GHz)  FOR CUSTOMERS REQUIREMENTS.

·        DESIGN, DEVELOPMENT AND MANUFACTURING OF NEW ANTENNAS ( NO QUANTITY MINIMUM)

·        MODIFICATION OF ANY ANTENNA FROM THIS CATAL0G TO SUIT CUSTOMERS SPECIAL REQUIREMENTS.