An alternative to the 6M7JHV antenna for 6m / 50MHz
The full parts list

The complete list of the parts required to build the antenna.

Aluminium
Size Qty Length (mm) Source Cost Total
1.5" 16 swg 2 5000mm Aluminium Warehouse Link 13.23 26.46
1.5" 16 swg 1 2500mm Link 6.61 6.61
1 3/8" 10swg 1 2500mm Link 8.88 8.88
1/2" 18swg 5 5000mm Link 2.37 11.85
3/8" 16swg 5 5000mm Link 2.17 10.85
1.5"x1.5"x1/8" angle 1 2500mm
(only need 200mm)
Link 6.32 6.32
3mm sheet 1 500 x 250mm Link 4.03 4.03
Total: 75.00
Total + VAT: 88.13
Stainless Steel Nuts and Bolts
  Qty Style Size Length (mm)  Source  Cost Total
Balun to boom 1 Hex head M4 60 AHC 0.084 0.08
DE connections 2 Hex head M4 30 0.25 0.50
Saddle to mast bracket 2 Hex head M4 20 9.50 19.00
D3 Stauff clamp bolts 2 Cap head M6 110 0.85 1.69
Stauff clamp screws 14 Cap head M6 75 0.73 10.15
DE Stauff clamp screws 4 Cap head M6 40 0.32 1.30
Boom support to boom 4 Hex head M6 90 1.22 4.88
Boom joiners 2 Hex head M6 50 0.28 0.55
DE support brackets 4 Hex head M6 60 0.12 0.46
Mast to boom clamp 4 Hex head M8 60 0.97 3.88
Mast clamp 4 Hex head M10 100 0.67 2.68
Washers 4 Flat M4   0.02 0.08
Washers 4 Star M4   0.02 0.08
Washers 26 Flat M6   0.02 0.57
Washers 20 25mm Large flat M6   0.15 2.90
Washers 8 Flat M8   0.07 0.57
Washers 4 Flat M10   0.12 0.49
Nuts 5 Nyloc M4   0.05 0.26
Nuts 28 Nyloc M6   0.06 1.57
Nuts 4 Nyloc M8   0.12 0.50
Nuts 4 Nyloc M10   0.29 1.18
Total: 53.37
Total + VAT: 62.71
Other bits and pieces
  Qty Style Size Length (mm)  Source  Cost Total
Tags 2   M4   Farnell 0.05 0.10
Square end caps for boom 4 (pkt of ten) 1.5"   Ebay 0.24 0.96
Element caps 12 (pkt of ten) 3/8"    Ebay 0.20 2.40
Strain relief eye bolts 2   M6 60 Ebay 2.45 4.90
Stauff element clamps 9   1/2"   G0KSC 1.80 16.20
Hose clamps 16       Ebay 0.50 8.00
PTFE rod 1   10mm 100mm College Eng 1.00 1.00
U-bolts 1   2"        
Saddles 4   2"        
Rope tensioners 2       A1 ropes 4.00 8.00
Weatherproof compound 1       Ebay 9.95 9.95
Strain relief rope         A1 ropes 17.00 0.00
Total: 51.41
Total + VAT: 60.41
Grand total: 211.25

Back to home