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SE-HF-360 XP HIGH POWER 1kW FIBRE GLASS VERTICAL ANTENNA 80 TO 10 METRES
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Sigma Euro-Comm

SE-HF-360 XP HIGH POWER 1kW FIBRE GLASS VERTICAL ANTENNA 80 TO 10 METRES

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£179.95
(£149.96 exc. VAT)
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Frequency TX / 3.5 - 30 MHz
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Product code: SE-HF-360XP
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Item CostFinance OptionDepositMonthly PaymentsTotal Cost
£179.95
12 Months 14.9% APR
£18.00
£15.51
£204.08
£179.95
18 Months 14.9% APR
£18.00
£10.34
£204.08
£179.95
24 Months 14.9% APR
£18.00
£7.75
£204.08
£179.95
36 Months 14.9% APR
£18.00
£5.17
£204.08
£179.95
48 Months 14.9% APR
£18.00
£3.88
£204.08
£179.95
12 Months 19.5% APR
£18.00
£16.13
£211.53
£179.95
18 Months 19.5% APR
£18.00
£10.75
£211.53
£179.95
24 Months 19.5% APR
£18.00
£8.06
£211.53
£179.95
36 Months 19.5% APR
£18.00
£5.38
£211.53
£179.95
48 Months 19.5% APR
£18.00
£4.03
£211.53

The Sigma Euro-Comm Ltd HF360 is an end-fed vertical antenna that allows the user to work 80 meters through to 10 meters using an ATU.  The antenna can be pole mounted at ground level or elevated depending on the user’s personal requirements. The antenna is rated at 1KW* pep.  The antenna comes with fixings and an installation guide.

How it works: The antenna is fed using 50 Ohm coax via a SO-239 socket at the base of the unit a 4:1 UNUN transformer is located in an IP65 weather-sealed box at the bottom of the bracket section of the fiberglass elements. The antenna has four parts, three fiberglass poles, and one stainless steel tapered whip. The transformer reduces the impedance at the feed point to a more acceptable level making the antenna much more efficient and allowing proper and easy tuning via an external ATU and automatic ATUs found in most modern radios. 

The antenna can be grounded if the user experiences excessive local static noise, but as the UNUN is DC grounded: grounding will not affect the tuning ratios. 

Band             With ATU,                                               Specifications,

 

3.5 MHz 80m       1.1


5 MHz 60m          1.1                                             


7 MHz   40m        1.1                                                  Type End fed vertical


10 MHz 30m        1.2                                                   Frequency TX / 3.5 - 30 MHz


14 MHz 20m        1.1                                                   RX / 1.8 - 55 MHz


18 MHz 17m        1.1                                                   Power handling 1 kW PEP or CW


21 MHz 15m        1.1                                                   & 200 watts max for data modes


24 MHz  12m       1.1                                                   Impedance 50 Ohms


28 MHz  10m       1.1                                                   Connector SO-239


29 MHz  10m       1.1                                                   Length 5.5 meters 18 feet,



Please use a good quality 50 Ohm coax, RG-213 or Mini 8 are probably the best choices. 


*1kW power rating is for intermittent amateur radio use (CW or PEP) for data modes (FT-x, RTTY, etc) or constant carrier data modes a lower maximum of 200 Watts is recommended.

*If you are using a high-power amplifier it is essential that an external ATU is used between the antenna and the amplifier, otherwise damage may occur.

Measurements were made using a Yaesu FTdx1200 and internal ATU and a Yaesu FT450D and external LDG-1200 ATU.