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COMTEK Stack 3 Yagi Array Switching Systems COM-STACK-3-1

Stacked Yagi System, 3 Stack, 3-port 3 kW Switch Relay Unit and Control Console, 115 Vac, Kit

Availability: In Stock
Estimated Ship Date: 9/22/2014 (if ordered today)

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$490.95

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Brand: COMTEK
Manufacturer's Part Number: COM-STACK-3-1
Product Line: COMTEK Stack 3 Yagi Array Switching Systems
DXE Part Number: COM-STACK-3-1

Stacking Switch Type: 3-port
Power Handling: 3 kW
Out-Of-Phase Selection: No
Stacking Switch Control Wire Connection: Internal
Control Wire Required: 6-conductor
Stacking Switch Band Range: 40-10 meters
Matching Coax Cables Required: Yes
Stacking Switch Width (in.): 6.250 in.
Stacking Switch Height (in.): 4.125 in.
Stacking Switch Depth (in.): 6.250 in.
Stacking Switch Weight: 3.00 lbs
Control Console Width (in.): 6.375 in.
Control Console Height (in.): 2.375 in.
Control Console Depth (in.): 5.000 in.
Control Console Weight: 1.30 lbs.
Quantity: Sold as a kit.
Notes: Switch relay unit height does not include the mounting bracket, which extends 3.125 in. below the unit.

COMTEK Stack 3 Yagi array switching systems allow an operator to select any single or any combination of three HF Yagi beam antennas. As compared to a single Yagi or a hard wired Yagi phasing system, these relay switching systems provide a greater range of signal arrival and transmission angles. They electronically combine the three equal-length 50 ohm feedlines from identical Yagi beam antennas without the use of special components or internal frequency dependent parts. These systems may be used to match and switch a 3-monoband Yagi stacked array for any HF band, 40, 30, 20, 17, 15, 12, and 10 meters. The consoles operate on 115 Vac. Three 1/4 wavelength cables, one made from 50 ohm and two made from 75 ohm coax, are connected to the Stack 3 relay unit to accomplish the impedance matching. These frequency-specific cables are sold separately. Instructions for building these cable assemblies are included in the manual. Comtek Stack 3 Yagi array switching systems feature a double-sided printed circuit board, Amphenol SO-239s, MOV protection for all six control cable lines, and they incorporate gold plated DPDT relays.

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