1.2 DESCRIPTION The coupler is remote controlled and is designed to match antennas from 9 foot whips to 150 foot long wires over a frequency range of 1.6 to 30 MHZ. The coupler may be configured to operate from either a 12 or a 28 volt system by instal lation of the appropriate motors and proper strap- connections on the control board.

2024年12月10日 · It is perfect for use in antenna systems for radio communication and amateur radio. It is easy to install and use, and is suitable for a variety of different antennas. Whether you are a professional or a hobbyist, this ITT Mackay Automatic MSR-4020 Antenna Coupler is an essential accessory for your radio system.

Mackay Marine has a fine history of building equipment for use on ships -- a tough environment. Over the years, I've used plenty of their gear and always been impressed. I have a particular fondness for the older 3020A receivers but, I gotta tell ya, these newer rigs are rock solid. The 8050 is just about perfect as a MARS rig.

Version: 8.0.100 / Virus Database: 270.3.0/1499 - Release Date: 6/12/2008 7:13 AM. I have a copy of the manual for the MSR 4020A. Table 2.1 on page 2-10 shows the diagram of the coupler control cable. The radio ( radios noted as MSR-6700 or MSR-8000) end of the cable shows a connector described as a 37 pin connector.

2011年2月24日 · This is a discussion forum of China Amateur Radios. 这是一个中国业余无线电爱好者的论坛.

Right now there are two on EBay, a MSR4020 and a MSR4040 that have just appeared in the last day. These aren't mine but I thought someone on this list might like to know. The 4020 on …

The motorized coupler is remote controlled and is designed to match antennas from 9 foot whips to 150 foot long wires over a frequency range of 1.6 to 30 MHz. The coupler may be …

Hi: I have the 12V MSR4020 tuner with a 17 pin jack control connection. I need the control cable wiring lay out to make a cable to use between an MSR8000 and the MSR4020 tuner. Any help …

Built for the military, this high power rig is capable of full coverage from 1.6 to 29.9999MHz on LSB, USB, AM, CW, A3A. and FSK at 100% duty cycle. This unit came from a fixed ground installaton in a Canadian research facility. The unit is very clean (installed in a filtered equipment room as a backup), and was never abused.

FS: ITT MSR-4020 HF Wire Antenna Coupler Tuner. Big vac variable and roller inductor. 12vdc. Weather proof aluminum enclosure apx 12"x15"x6". No manuals or other documentation. N connector. $150 U pay the shipping from Houston. Thanks Steve