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450 Ohm Ladder Line – 18 AWG 19-Strand Copper for High-Performance HF Antennas

This version of 450 Ohm ladder line features 18 AWG 19-strand tinned copper conductors for increased flexibility and durability in balanced feedline applications. It is designed for multiband HF antennas and offers excellent power handling, low RF loss, and long-term outdoor reliability.

Why Choose 19-Strand 18 AWG Ladder Line?

  • Flexible Stranded Conductors – Easier to route and manage than solid copper wire
  • Low RF Loss – Balanced 450 Ohm impedance minimizes signal attenuation
  • UV-Stable Spacers – Weather-resistant polyethylene webbing ensures consistent spacing
  • Excellent Power Handling – Supports full legal-limit HF operation with proper installation

Recommended Applications

  • ✅ Open-wire fed HF dipoles and doublets
  • ✅ Multiband antennas with tuner-fed systems
  • ✅ Long feedline runs to remote or elevated antennas
  • ✅ High-durability field or fixed station installations

Specifications

  • ✅ Impedance: 450 Ohms nominal
  • ✅ Conductor Type: 18 AWG, 19-strand tinned copper
  • ✅ Conductor Spacing: ~0.9" between conductors
  • ✅ Insulation: UV-resistant polyethylene separators
  • ✅ Power Handling: Up to 1500W HF with proper clearance

This 18 AWG 19-strand ladder line is the ideal feedline for hams who want a strong, low-loss, and flexible solution for balanced HF antennas. Available in custom lengths and full rolls for any application.

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LL450-553 450 OHM Ladder Line LL450-553 450 OHM Ladder Line LL450-553 450 OHM Ladder Line LL450-553 450 OHM Ladder Line
450 OHM - 18 AWG 19 Strand 150 FT.
Our price: $110.62
Sale Price: $107.62
Savings: $3.00
450 OHM - 18 AWG 19 Strand 250 FT.
Our price: $184.37
Sale Price: $179.37
Savings: $5.00
450 OHM 18/19 AWG 175 FT
Our price: $129.06
450 ohm, #18, 19 strand copper clad steel ladder line, PE jacket. <1500W 450 ohm, #18, 19 strand copper clad steel ladder line, PE jacket. <1500W 450 ohm, #18, 19 strand copper clad steel ladder line, PE jacket. <1500W 450 ohm, #18, 19 strand copper clad steel ladder line, PE jacket. <1500W
LL450-553 450 OHM Ladder Line LL450-553 450 OHM Ladder Line LL450-553 450 OHM Ladder Line LL450-553 450 OHM Ladder Line
Davis RF 450 Ohm Ladder Line – 100 FT | DX Ham Radio Supply
Our price: $73.75
Sale Price: $72.75
Savings: $1.00

(3)
450 ohm, #18, 19 strand copper clad steel ladder line, PE jacket. <1500W 450 ohm, #18, 19 strand copper clad steel ladder line, PE jacket. <1500W 450 ohm, #18, 19 strand copper clad steel ladder line, PE jacket. <1500W 450 ohm, #18, 19 strand copper clad steel ladder line, PE jacket. <1500W
LL450-553 450 OHM Ladder Line LL450-553 450 OHM Ladder Line Balun Choke LADLOCK
Davis RF 450 Ohm Ladder Line – 75 FT | DX Ham Radio Supply
Our price: $55.31
Sale Price: $51.31
Savings: $4.00

(1)
DxHRS 1:1 Balun
Our price: $39.38
Sale Price: $37.38
Savings: $2.00

(2)
Ladder-Loc
Our price: $18.94
Sale Price: $17.94
Savings: $1.00

(1)
450 ohm, #18, 19 strand copper clad steel ladder line, PE jacket. <1500W 450 18/19 AWG "Sold By The Foot" Just enter the total number of feet needed in the Qty Box 1:1 Current Balun is a Isolation transformer effective from 1.8 to 50 MHz. and is capable of 1500 Watts SSB and 200 Watts CW or continuous duty mode. The

Ladder-Loc®

UV inhibited, strain relief and mounting support, center line insulator for 450 OHM Ladder Line