HF  Antenna  Product  Series（2）

SinoAero offers HF turnkey-system engineering design, production, integration and installations. Since early 2006, many overseas projects have been deployed and commissioned for HF broadcast stations, HF communication engineering system projects. User specific engineering projects have been designed and installed, together with supplies of HF antenna systems hardware, HF transmitters and communication equipments. Some of the projects include ：

 

Cuban  project ;

Year 2006, designed  and  installed  13sets  of  HF  antenna ：

HR4/4/0.5  antenna (6-11MHz)    5sets

HR4/4/0.5  antenna(11-21MHz)   5sets

HQ1/3/0.3  angle  type  antenna（5-6MHz） 1set

HQ1/3/0.8  angle  type（5-6MHz） 1 set

HQ1/3/0.8  angle  type（9-11MHz）1 set

 

Vietnam project ;

Year 2008, designed  and  installed  3 sets  of  HF antenna ：

AHR2/1/0.5  antenna （7-11MHz）  1set

AHR2/2/0.5  antenna （9-15MHz）  1set

AHR2/4/0.5  antenna （9-17MHz）  1set

 

Central  Africa  project;

Year 2009，

Angle  antenna（4-6MHz） 1set

Angle  antenna（6-9MHz） 1set

 

Algeria project;

Year 2009,  designed  and  installed  18 sets of  HF antenna ：

HR2/1/0.5  antenna (5-7.5MHz)    6 sets

HR2/1/0.5  antenna(7.5-11MHz)   6 sets

HR2/1/0.5  antenna(11-17MHz)    6sets

 

 

 

 Venezuela project ;

Year 2011, designed  and  installed  15 sets  of  HF antenna ：

HR4/4/0.8  antenna (6-11MHz)    6 sets

HR4/4/0.8  antenna(11-21MHz)   6 sets

HQ1/3/0.3  angle  antenna（5-6MHz） 1 set

HQ1/3/0.8  angle  antenna（5-6MHz） 1 set

HQ1/3/0.8  angle  antenna（9-11MHz）1 set

 

 

  SA-TD122-1——3 wire antenna

Brief:

This antenna has a simple structure of 3-wire dipole, hence with light weight, high radiation effectiveness, broad bandwidth, and good deduction of the ground noise. It can be used in omnidirectional communication, and performs well.

Performance:

Photo：

 

Vertical pattern and Horizontal pattern:

 

 

0° Directional diagram

 

  SA-TD114——Cage antenna 

Brief:

In shortwave band, this antenna has good characteristics of impedance, low elevation angle, high effectiveness, and high power, convenient for set up and maintenance. Often used in ground wave close communication and sky wave communication of long distance.  

Performance:

Structure illustration and Photo:

 

Vertical pattern and Horizontal pattern:

 

  SA-TD112——Biconical antenna

Brief:

Vertical polarization; broad bandwidth; power range10～100Kw. It can be used in both sky wave and ground wave communication. Compared with single frequency single tower antenna, it has rather small area.

Performance:

Model Performance	TD112-1	TD112-2
Frequency (MHz)	4～22	10～28
Power	10kW	Receiving
Gain (dBi)	3	≥3
SWR	＜1.5（max point≤2）	≤3.0
Nominal impedance(Ω)	50
Polarization	Vertical polarization
Direction	Omnidirection; low elevation
Wind resistance	Normal at level 10, Not destroyed at level 12
Lightning protection	Yes
Earthquake protection	Level 9

Structure illustration and Vertical pattern:

 

  SA-TD108——Fishbone antenna

Brief:

This is a series of horizontal weak coupling bidirectional fishbone antenna. It can bi-directionally detect and receive weak signals from 200-4000km distance, it can form an array so as to improve the directional and radiation performance.

Performance:

 

 

 

Structure illustration:

 

 

 

 

 

 

 

 

Vertical pattern:

Horizontal pattern:

 

  SA-TD525——Active whip antenna

Brief:

This is a series of active antennas, and the working frequency range covers all the short wave band, it can be used to receive and monitor short wave signals; it can easily form an array of antenna, and connect to receiver to function for direction-finding. Special features include  high effectiveness.

 

Performance:

 

Model Performance	TD525-1	TD525-2	TD525-3	TD525-4
Frequency (MHz)	1.5～30	1.5～30	1.5～30	2～30
Gain (dBi)	≥10	12～15	12～15	12～15
Amplitude consistency (dB)	≤±2	≤±2	≤±2	≤±2.5
Phase consistency	≤±2.5°	≤±2.5°	≤±2.5°	≤±2.6°
Height (m)	2.7(disassemble)	Inner circle2.5, Outer circle 2.7	6	3
Amplitude inequlity(dB)	≤±2
Antenna form	Active whip antenna array
Feed	DC 12V
Polarization	Vertical polarization
Nominal impedance(Ω)	50
Wind resistance	Normal at level 8, Not destroyed at level 10
Temperature	-45～+55℃
Lightning protection	Yes

Photo and Direction diagram:

 

  SA-TD126——Broadband folded antenna

Brief:

Features: broad bandwidth; easy to set up.

Performance:

Structure illustration：

Vertical pattern:

 

 

Horizontal pattern:

 

  SA-TD117——Inverted Vee antenna

Brief:

Features: broad bandwidth; high effectiveness; smooth impedance character; simple structure and easy to set up.

Performance:

 

Model Performance	TD117-1	TD117-2	TD117-3	TD117-4	TD117-5	TD117-6
Frequency (MHz)	2～30	2.5～30	3 ～30	3 ～7	3.5～30	1.6～30
Power(kW)	5	5	10	1～5	5	Receiving
Gain (dib)	3	2～5	2～5	5	2～5	2～5
SWR	≤2	≤2.5	≤3	≤3	≤2	≤3.5
Usage	Fixed				Lifting mast; mobile with vehicle
Impedance(Ω)	50
Polarization	Horizontal polarization
Wind resistance	Normal at level 8, Not destroyed at level 10
Lightning protection	Yes

Photos:

 

Vertical pattern:

 

 

  SA-TD118——Travelling-wave trigonal antenna

Brief:

With simple structure, this antenna can be easily set up. It fits the requirements of communication of full wave band within 2000km.

Performance:

 

Vertical pattern:

 

 

 

  SA-TD125——Monopole antenna

Performance:

 

Vertical pattern and Horizontal pattern:

 

 

  SA-TD111-1——Yagi-Uda antenna

Brief:

This is a narrow-band directive antenna, with the features of outstanding anti-interference, accurate direction-finding. According to communication distance requirements, it can adjust the designed height to attain horizontal or vertical polarizations.

Performance:

Horizontal pattern and Vertical pattern:

 

 

                      

 

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