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| Coaxial Lightning Protection |
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Like no other protective device in the world for RF coaxial cable lines, Morgan’s M-300 Series
arrestors offer a complete, nearly perfect blocking/shunting system for induced voltages. Whether produced
by lightning (directly or indirectly coupled), wind, rain, or snowfall Morgan arrestors are continuously
active, constantly draining transmission line center conductor to ground. The result? Solid protection
for station equipment and related noise.
All M-300 Series units feature heavy discharge toroidal inductors used to neutralize developed voltages on the antenna side of a central high-voltage blocking capacitor. Inert gas tubes are used to limit the natural back-EMF voltages often induced across an inductor when large fast rising input currents are presented to the unit. Sold and used worldwide, our arrestors are the first line of defense in lightning protection employed by such services as the U.S. Army, Boeing Corporation (Commercial Airplane Division), AT&T, NASA, and a wide variety of Commercial Broadcast, Public Safety, Emergency Relief, Government, and Amateur interests. Morgan arrestors can be found in the most stark surroundings, from dense African jungles to the vast wastelands of some of the world’s most punishing deserts. You can even drive a truck over the top of the chassis without damaging the contents. Available models cover the frequency range from as low as 100KHz to 1,000MHz. with lots of connector choices. All units feature Teflon connectors. All may be mounted on flat surfaces, grounding bulkheads, or through-mounted using dual stainless steel grounding screws for mechanical fastening. Packaged with an informative owner’s manual. The arrestors are approx 3in X 3in X 2in. We carry Morgan's complete line of products of if you don't see the model you're looking for email sales with your requirement for a price quote. |
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| Coaxial Lightning Protection | ||||
| Part Number | Description | Price | Buy | |
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M-303U | Flange mounted, dc block, coaxial lightning protection for 1.5MHz-54MHz with UHF female connectors, RF Power: 3kW | $69.00ea | |
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M-303U-PP | Flange mounted, dc pass, coaxial lightning protection for 1.5MHz-54MHz with UHF female connectors, RF Power: 3kW. power pass version, no blocking capacitor, allows for DC control voltage to run through arrestor to power pre-amps, switches, etc. Special Order - Allow 3-4 days to ship | $69.00ea | |
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M-302U | Flange mounted, dc block, coaxial lightning protection for 50MHz-500MHz with UHF female connectors, RF Power: 300w | $69.00ea | |
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M-302U-PP | Flange mounted, dc pass, coaxial lightning protection for 50MHz-500MHz with UHF female connectors, RF Power: 300w. power pass version, no blocking capacitor, allows for DC control voltage to run through arrestor to power pre-amps, switches, etc. Special Order - Allow 3-4 days to ship | $69.00ea | |
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M-302N | Flange mounted, dc block, coaxial lightning protection for 50MHz-500MHz with N female connectors, RF Power: 300w Special Order - Allow 3-4 days to ship | $69.00ea | |
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GRCM | Cooper ground rod clamp for Morgan coaxial lightning arrestors, S/S hardware. Lets you mount lightning arrestor directly to yoru 5/8" ground rod. | $59.95ea | |
| Rotator and Control Line Lightning Protection |
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Unshielded control line conductors used to operate remote switching operations, antenna rotators,
and home weather stations are easily charged to thousands of volts potential referenced to ground by
overhead lightning discharges, frequently causing severe damage to equipment. In the RF transmitting
environment, these same leads often couple into transmitted energy and re-radiate signals at ground level,
resulting in interference to nearby equipment tuned to other services.
Model 347 solves both problems in one convenient unit. Easy to install and virtually permanent, this suppressor shunts RF currents and voltages over 20V directly to facility ground terminal connection. This model is perfect for 12-14v remote switch controls and Alfa Spid rotators. Model 348 is the same as above but shunts RF currents and voltages over 50V directly to facility ground terminal connection. Choose this model for most HyGain and Yaesu arrestors. Model 349 is similar but for 120v AC or DC connections. Installation is a breeze and takes only a few moments. Each wire (up to 8 conductors on standard models and 12 conductors for the B models) entering from rotating unit or switch box may be attached to any of the 8/12 insulated terminals on the side of the unit. The same wire then continues from that connected point onward to control box destination. Connect the metal case to a ground rod or system and you’re all set. May be used indoors or outdoors, designed for flat surface mounting, includes stainless steel grounding terminals. Uses metal oxide varistor devices, AC or DC voltage rated, ceramic high-capacity RF bypassing components. Comes with owners manual. We carry morgans completye line of products of if you don't see the model you're looking for email sales with your requirement for a price quote. |
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| Rotator and Control Line Lightning Protection | ||||
| Part Number | Description | Price | Buy | |
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M-347 | Rotator line/remote switch, 8 wire, AC/DC 20v or less (Alfa Spid rotators) Special Order Allow 7-10 days to ship |
$75.00ea | |
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M-347B | Rotator line/remote switch, 12 wire, AC/DC 20v or less (Alfa Spid rotators) Special Order Allow 7-10 days to ship |
$105.00ea | |
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M-348 | Rotator line/remote switch, 8 wire, AC/DC 50v or less (most HyGain and Yaesu rotators) | $75.00ea | |
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M-348B | Rotator line/remote switch, 12 wire, AC/DC 50v or less (most HyGain and Yaesu rotators) Special Order Allow 7-10 days to ship |
$105.00ea | |
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M-349 | Rotator line/remote switch, 8 wire, AC/DC 120v or less Special Order Allow 7-10 days to ship |
$75.00ea | |
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M-349B | Rotator line/remote switch, 12 wire, AC/DC 120v or less Special Order Allow 7-10 days to ship |
$105.00ea | |
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M-90MB | 90° mounting bracket for M-374/348/349 units, rotates unit so terminal strip is facing up. Makes wiring duties much easier; comes with hardware to mount unit to bracket. | $9.00ea |
| Band Pass Filters |
Morgan Systems now provides the legendary ICE products! Morgan was originally formed in 2005 as a
subcontractor for Industrial Communication Engineers (ICE), which had a 20-year history of building
quality lightning and filtering equipment and accessories for the communications industry. With the
untimely passing of the founder of ICE, Mike Koss (W9SU), Morgan Systems is carrying on the quality
reputation of the ICE line and will be able to provide many of the products that professionals and
amateurs have come to know. More Morgan products than listed below are available,
E-mail Sales with your requirements for a quote.
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| Broadcast Band Filters |
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AM broadcast stations transmitting in the frequency range from 550kHz to 1700kHz cause havoc with HF
and VHF receiving operations, often inducing carriers, modulation, broadband noise and other disturbances
into delicate equipment. Such interference can frequently be heard mixing with other received signals in
the shortwave bands and commonly overwhelms front ends of modern receivers. Broadcast reject filters reduce
AM band signals to levels where local Stations can still be received in most cases, but are no longer threat
ening to other desired services. A must for serious low frequency DXers or Amateur 160 Meter enthusiasts.
Models are available for use with transceivers (allows transmission of up to 300 watts through the filter
above the rated cutoff frequency).
Each filter is individually bagged with owner’s manual and fitted with UHF (SO-239) connectors. This product built to order and ships in 7-10 business days. We carry morgans completye line of products of if you don't see the model you're looking for email sales with your requirement for a price quote. |
| Download Moragn Systems Catalog |
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| Part Number | Description | Price | Buy | |
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M-400X | Broadcast Band Filter, UHF connector, attenuates below 3.5MHz. Designed to
operate above 3.5MHz and place the BCB band frequencies below, well into the stopband, inserting very high
attenuation even at the higher end of the BCB band frequency segment.
Special Order Allow 7-10 days to ship VNA Smith Plot |
$90.00ea | |
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M-402X | Broadcast Band Filter, UHF connector, attenuates below 1.8MHz. Designed for
use all the way down to 1.8 MHz, attenuating everything below.
Special Order Allow 7-10 days to ship VNA Smith Plot |
$90.00ea |
| Individual Bandpass Filters |
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Complement modern transceivers with a Morgan bandpass filter to lessen or reduce out-of-band RF
energy from nearby transmitters. Our legacy model bandpass filters are available in affordable single band
units, even including a model for citizen's band. Our filters are designed to pass only the listed
frequency segments for which they are tuned, blocking all frequencies above and below the passband.
Use bandpass filters anywhere that critical single band performance is required, or where nearby transmitting stations cause interference to needed communications. Excellent for multiple-operator stations, portable or field use, non-polarized. Circuit uses a twin section dual resonator design in a compact 3? square heavy chassis. Units are rated for 200 Watts transmitter power. UHF (SO-239) connectors standard. Packaged with owner’s manual. Mounting footprint 4"x3". We carry morgans completye line of products of if you don't see the model you're looking for email sales with your requirement for a price quote. |
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| Part Number | Description | Price | Buy | |
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M-403 | Bandpass filter, frequency range 160 meters, 1.8-2.0MHz
VNA Smith Plot |
$80.00ea | |
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M-404 | Bandpass filter, frequency range 80/75 meters, 3.5-4.0MHz
VNA Smith Plot |
$80.00ea | |
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M-405 | Bandpass filter, frequency range 40 meters, 7.0-7.3MHz
VNA Smith Plot |
$80.00ea | |
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M-406 | Bandpass filter, frequency range 30 meters,10.1-10.2MHz
VNA Smith Plot |
$80.00ea | |
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M-407 | Bandpass filter, frequency range 20 meters, 14.0-14.35MHz
VNA Smith Plot |
$80.00ea | |
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M-408 | Bandpass filter, frequency range 17 meters,18.0-18.2 MHz MHz
VNA Smith Plot |
$80.00ea | |
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M-409 | Bandpass filter, frequency range 15 meters, 21.0-21.5MHz
VNA Smith Plot |
$80.00ea | |
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M-410 | Bandpass filter, frequency range 12 meters, 24.9-25.0MHz
VNA Smith Plot |
$80.00ea | |
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M-411 | Bandpass filter, frequency range 10 meters, 28.0-29.7MHz
VNA Smith Plot |
$80.00ea | |
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M-411CB | Bandpass filter, frequency range 11 meters, 26.9-27.4MHz
VNA Smith Plot |
$80.00ea |
| High Performance Bandpass Filters |
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Gain peak receiving and transmitting performance from modern transceivers and stop out-of-band RF
energy from nearby transmitters with Morgan Systems high performance filter units. Practically an
international standard of the top competition stations, government agencies, and disaster relief
organizations, bandpass filters are used widely to pass only the listed frequency segments for which
they are tuned blocking all frequencies above and below the passband.
High performance units are computer optimized 5 pole topology, thoroughly hand tuned for maximum rejection of nearby bands. Greater than 40dB of rejection of the next closest non-WARC bands is typical, with attenuation rising to over 65dB several bands away from the passband. Use bandpass filters anywhere that critical single band performance is required, or where nearby transmitting stations cause interference to needed communications. Excellent for multiple-operator stations, contesting, field day, portable or fixed station use. High performance filters are contained in a compact 4? square heavy chassis. Units are rated for 200 Watts transmitter power. UHF (SO-239) connectors standard. Packaged with owner’s manual. Mounting footprint 4"x5". We carry morgans completye line of products of if you don't see the model you're looking for email sales with your requirement for a price quote. |
| Download Moragn Systems Catalog |
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| Part Number | Description | Price | Buy | |
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M-423 | High Performance Bandpass filter, frequency range 160 meters, 1.8-2.0MHz
VNA Smith Plot Allow 7-10 days to ship |
$150.00ea | |
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M-424 | High Performance Bandpass filter, frequency range 80/75 meters, 3.5-4.0MHz
VNA Smith Plot Allow 7-10 days to ship |
$150.00ea | |
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M-425 | High Performance Bandpass filter, frequency range 40 meters, 7.0-7.3MHz
VNA Smith Plot Allow 7-10 days to ship |
$140.00ea | |
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M-427 | High Performance Bandpass filter, frequency range 20 meters, 14.0-14.35MHz
VNA Smith Plot Allow 7-10 days to ship |
$140.00ea | |
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M-429 | High Performance Bandpass filter, frequency range 15 meters, 21.0-21.5MHz
VNA Smith Plot Allow 7-10 days to ship |
$130.00ea | |
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M-431 | High Performance Bandpass filter, frequency range 10 meters, 28.0-29.7MHz
VNA Smith Plot Allow 7-10 days to ship |
$130.00ea | |
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M-431CB | High Performance Bandpass filter, frequency range 11 meters, 26.9-27.4MHz
VNA Smith Plot Allow 7-10 days to ship |
$150.00ea | |
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M-432 | High Performance Bandpass filter, frequency range 6 meters, 50.0-54.0MHz
VNA Smith Plot Allow 7-10 days to ship |
$130.00ea |