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A 4 element wideband 27-29MHz* OP-DES (Opposing Phase Driven Element System) The First Dualband 10m/11m Yagi - NEW! Second Generation OP-DES Yagi !
The OP-DES is the newest Yagi produced by InnovAntennas and is specifically designed for maximum performance, wide-band applications. Read more about the OP-DES Yagi Here. InnovAntennas use the latest in Electromagnetic Design Technology to ensure the very best results and the OP-DES Yagi is proof of that!
This antenna has a flat SWR curve covering 27-29MHz at less than 1.5:1 SWR. Bandwidth can be easily moved to cover two other ranges if the standard does not suit, 26.5MHZ to 28.5MHz or 27.5Mhz to 29.5MHz. The super-compact 5el is a tiny antenna with a huge punch, Take a look!
Gain: 8.32dBi @ 28.00MHz, 8.04dBi @ 27.00MHz, 8.85dBi @ 29.00MHz
F/B: 15.23dB @ 28.00MHz, 17.37dB @ 27.00MHz, 17.03dB @ 29.00MHz
Peak Gain: 8.87dBi
Gain at 10m above Ground: 14.21dBi @ 28.00MHz
Peak F/B: 17.72dB @27.5MHz
Power Rating: 5kw+
SWR: Below 1.5:1 from 27.0MHz to 29.0MHz*
Coverage is the full 2Mhz between 27Mhz and 29Mhz
Stacking Distance: 5.5-7.0m ( 6m recommended)
2 Stacked Gain @ 6m spacing: 11.73dBi
2 Stacked F/B: 19.9dB
2 Stacked Gain @ 6m Spacing 10m above ground: 16.59dBi
Boom Length: 3.5m
Turning Radius: 3.1
Wind Loading: 0.42 Square Metres / 4.56 Square feet
Wind Survival: 125MPH (HD) version is standard
Other options available if higher wind loading/survival is required.
This antenna is made HD as standard with 1 inch (25.4mm) which taper to 1/2 inch (12.7mm) tips. The antenna has fully insulated elements which will ensure continuous, high performance for many years to come. Boom to mast brackets are included with all antennas which will support 2 inch (50mm) masts. For other diameters, please ask! Boom is 1.5 inch (38mm) square 16SWG aluminum as standard but can be upgraded if the customer requires it.
OTHER TAPER SCHEDULES ARE AVAILABLE FOR THIS ANTENNA, CALL OR EMAIL FOR DETAILS
Our antennas are constructed with the best quality materials in order that the best mechanical construction can be achieved, not the cheapest and most profitable! Even a digital caliper is used (with an accuracy of .01mm) to measure the elements during production to ensure they are within 0.2mm of what they should be, ensuring they work as well as our software model predicts.
Note: Much development time has gone into our antennas, not just on basic electromagnetic design, we are able to model the effect of insulators, booms and other objects to ensure the make up of our antennas have least effect on performance and pattern degradation. More information can be found here
Azimuth plots from 27MHz to 29MHz
How the OP-DES looks; A 5el 10m/11m OP-DES
Manufactured the right way, not the cheapest way