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TR-6000 Low Power
AM Transmitter
CP-15 Coupler

Radio Systems’ “AT” Series of vertical “whip-style” AM Broadcast Antennas are specifically designed for efficient radiation in an easy to install short fiberglass vertical profile.

The antenna is constructed of rugged fiberglass and anodized aluminum for durable long term wear and use.

The adjustable antenna tip and center loading coil assure maximum radiation and low reflect power at the full range of frequencies.

AT Series AM Broadcast Band Fiberglass Antenna
Ordering Guide
Model AT-53 530 kHz to 640 kHz
Model AT-65 650 kHz to 730 kHz
Model AT-74 740 kHz to 900 kHz
Model AT-91 910 kHz to 1060 kHz
Model AT-107 1070 kHz to 1220 kHz
Model AT-123 1230 kHz to 1390 kHz
Model AT-140 1400 kHz to 1620 kHz
Model AT-162 1620 kHz to 1730 kHz

All antennas are physically similar.
Model AT-162 specifications shown below.

Specifications
Base Pipe: 10 ft. length, 1.050” O.D., .82” I.D. Aluminum Type 6063-1832 with No. 215-Ri Gold Anodized Finish (.8mil arodic coating stnd. etch.)
Loading Coil Form: Natural Paper Phenolic XX Grade Coil Form. 22’ length,
1.625” 0.0. 1.250” I.D.
Winding: 17” of #18 Copper Enameled Wire Close Wound. (612 Micro henry)
Sleeve Insert - Top: 1.625” length, 1.250” O.D., j.o1u’ I.D. Tapered. Type 606l-T6
aluminum with clear anodized finish (Mil-A-8625C).
Grooved for “0” ring.
Sleeve Insert - Bottom: 3.250” length, 1.250” O.D., 1.054” I.D. Tapered. Type 606l-T6
aluminum with clear anodized finish (Mil-A-8625C). Not grooved.
Covering: White Vinyl Shrink Tubing 30 mil.
Caps: White A.B.S. Cemented in place.
Tip Base Pipe: 71” length, 1.050” O.D., .824” 1.0. Aluminum Type 6063-1832 with No. 215 RI Gold Anodized Finish (.8 Mil arodic coating stand. etch.)
Tank Fitting and
Locking Nut:
Chrome Plated Brass.
Ferrule: Nickel Plated Brass.
Tip: 49” length, .500’’ O.D., .022” wall, adjustable stainless steel tubing, Type 316 Heat 150907.
Tip Bali Acrylic: .625” Diameter
Fasteners: 6 only .375” length, -20 Allan Head Set Screws Holo-krome.
Temperature: -40 Degree Centigrade to 85 Degree Centigrade

Radio Systems, Inc.   •   601 Heron Drive   •   Logan Township, NJ 08085  •  Phone: 856-467-8000   •   Fax: 856-467-3044