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Sirio SY-4

QSO UK :: CB Radio :: Specific Equipment Discussion

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Sirio SY-4

Post by PONY EXPRESS on Sun Dec 06, 2009 5:47 pm

We decided to try a Sirio SY-4 a few weeks back and had nice results.
4 element yagi on a approx 16 ft or 5 meter boom length .
I took it right back down as too much windload with all the other antennas on the ham radio tower .
SWR after minor adjustment was less than 1.2-1 across ch 1-40 on USA band. Nice front to back and side rejection in the 5 hrs it was up. I took it back down till next spring when the Taller tower gets redone after 25 years up in the air . I re did the smaller tower this year and added a HAZER Tram System as seen in pictures.
We was lucky enough to catch a band opening comparing our IMAX 2000 with top at 60 ft to the SY-4 at 51 ft .
4-5 S unit difference in the band opening with SY-4 Superior.

http://i11.servimg.com/u/f11/14/61/72/46/p1010313.jpg
http://i11.servimg.com/u/f11/14/61/72/46/p1010312.jpg

http://i11.servimg.com/u/f11/14/61/72/46/p1010311.jpg


Last edited by PONY EXPRESS on Sun Dec 06, 2009 8:14 pm; edited 5 times in total (Reason for editing : Added 2nd picture)

PONY EXPRESS
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Locator: EM29TC
HF Rig: Kenwood TS 2000X
HF Antenna: HF9V G5RV TH7DXX
VHF / UHF Rig: FT 736R
VHF / UHF Antenna: M2 ANTENNA 2/222/432/1.2GHZ
Preferred Bands: VHF/UHF Weak signal
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Re: Sirio SY-4

Post by 2W0PWR on Sun Dec 06, 2009 5:57 pm

Hi William,

Welcome to the forum. Great username :-).

I have a Sirio 4000 Hi-Power antenna that I used on the CB / 11m bands and it works so well I have kept it for 10m use. They make good quality antennas at very good rates...

Dave

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Call Sign: 2W0PWR
Other Call Signs: MW3VSG, M3VSG
Locator: IO83KD
DXCC Entity: Wales
HF Rig: Yaesu FT-857D
HF Antenna: Atas 120 - Antron 99
VHF / UHF Rig: Icom IC-2820 D-Star
VHF / UHF Antenna: Watson W-300
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Preferred Bands: 10 / 17 / 20 / VHF / UHF / D-Star
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Re: Sirio SY-4

Post by simon007 on Mon Dec 07, 2009 5:24 am

Well made the Sirio antennas and indeed if there are any troubles with it then Sirio have a great approach to aftercare. As Dave says, welcome here to the forum and great success with the antenna.

73s Simon

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QSO UK :: CB Radio :: Specific Equipment Discussion

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