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Spiderbeam Basics
Construction Guide
Technical Data
Kit & Parts List
Installation Hints
Technical Data

Download a detailed description of the Spiderbeam Yagis in your language here, containing the full technical data sheets and radiation diagrams for all our antennas (3-band & 5-band versions). Alternatively see the bottom of this page for a table with the most important data.

spider_specification_deutsch.pdf (7 pages, 370kB)
spider_specification_english.pdf (7 pages, 370kB)
spider_specification_français.pdf (7 pages, 370kB)
spider_specification_español.pdf (7 pages, 370kB)
spider_specification_italiano.pdf (7 pages, 370kB)
spider_specification_portugues.pdf (7 pages, 370kB)
spider_specification_po_russki.pdf (7 pages, 370kB)
spider_specification_arabic.pdf (7 pages, 450kB)
spider_specification_japanese.pdf (7 pages, 450kB)
spider_specification_chinese.pdf (7 pages, 450kB)
spider_specification_indonesian.pdf (7 pages, 370kB)
spider_specification_finnish.pdf (7 pages, 370kB)
spider_specification_swedish.pdf (7 pages, 370kB)
spider_specification_dansk.pdf (7 pages, 370kB)
spider_specification_czech.pdf (7 pages, 370kB)
spider_specification_hungarian.pdf (7 pages, 370kB)
spider_specification_polski.pdf (7 pages, 370kB)
spider_specification_slovensko.pdf (7 pages, 370kB)
spider_specification_bulgarian.pdf (7 pages, 370kB)
spider_specification_romanian.pdf (7 pages, 370kB)
spider_specification_greek.pdf (7 pages, 370kB)


3-Band Spiderbeam
 
5-Band Spiderbeam

20m

15m

10m

 

20m

17m

15m

12m

10m

Nr. of Elements

3

3

4

 

3

2

3

2

4

Forward Gain
at 10m height [dBi]
11.7
12.3
12.6
 
11.7
10.5
12.3 
10.5 
12.6
Front/Back ratio [dB]
15-20
20-25
20-25
 
15-20
20-25
20-25
10-12
18-22

SWR

< 1.5
< 1.5
< 2
 
< 1.5
< 1.5
< 2
< 1.5
< 2
Max. Power
2000 W  /  balun is included
 
2000 W  /  balun is included
Impedance
50 Ohms  /  single feedline
 
50 Ohms  /  single feedline
Boom length
10m  (33 ft)
 
10m  (33 ft)
Turning Radius
5m  (16 ft)
 
5m  (16 ft)
Wind load area
0.35 sq-m  (3.8 sq-ft)
 
0.35 sq-m  (3.8 sq-ft)
Weight
6.7kg  (14 lbs)
 
7.5kg  (16 lbs)
Transport Size
120x27x18cm  (47x11x7 inch)
 
120x27x18cm  (47x11x7 inch)



"low sunspot" Spiderbeam
 
WARC Spiderbeam
20m
17m
15m
 
30m
17m
12m
Nr. of Elements
3
3
3
 
3
3
4
Forward Gain
at 10m height [dBi]
11.7
11.8
12.0
 
10.9
12.6
13.0
Front/Back ratio [dB]
15-20
25-30
20-30
 
18-20
25-35
25-27

SWR

< 1.5
< 1.5
< 1.7
 
< 2
< 1.7
< 1.5
Max. Power
2000 W  /  balun is included
 
2000 W  /  balun is included
Impedance
50 Ohms  /  single feedline
 
50 Ohms  /  single feedline
Boom length
10m  (33 ft)
 
12m  (40 ft)
Turning Radius
5m  (16 ft)
 
6m  (20 ft)
Wind load area
0.35 sq-m  (3.8 sq-ft)
 
0.41 sq-m  (4.4 sq-ft)
Weight
6.7kg  (14 lbs)
 
7.8kg  (17 lbs)
Transport Size
120x27x18cm  (47x11x7 inch)
 
120x27x18cm  (47x11x7 inch)



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