Broad Band Terminated Dipoles (BBTD), Tilted Terminated Fold Dipoles (T2FD) and Balanced Termination Folded Dipole BTFD) antennas can be designed to cover a large range of frequencies between 1.8 30 MHz. Longer length antennas generally provide better low frequency efficiency but take up a larger footprint of land. One BBTD that has worked well at the AK6R antenna farm is shown below. Many other designs are available and can be found at www.HFLINK.COM as well as other internet sites. Your mileage may vary using this antenna, but as a general coverage antenna for ham and shortwave broadcast, the simplicity can’t be beat even though an individual dipole on a specific band may out perform this broad band dipole. Palomar Engineers has all the parts you need to build this antenna, so why not give it a try?

BBTD at AK6R 1024x726 - Broad Band Terminated Dipoles (BBTD, T2FD)

Depending on the source of the antenna design, different value baluns are specified. Our Bullet(TM) baluns in ratios of 9:1, 12:1 and 16:1 are excellent for this type of antenna as they are broadband from 1.8-61 MHz and will take up to 500 watts PEP.

3540583641 - Broad Band Terminated Dipoles (BBTD, T2FD)

Termination Resistor, 1000 Ohm Non-Inductive for T2FD, BBTD, Rhombic, 1-61 MHz, 600 Watts PEP

Name: Termination Resistor, 1000 Ohm Non-Inductive for T2FD, BBTD, Rhombic, 1-61 MHz, 600 Watts PEP
SKU: TR-1000-600
Price: 99.95 USD
Availability: InStock

TR-1000-600

$99.95

In stock

Quantity:

Product Details

Broadband, Non-Inductive Termination Resistor load used on many terminated antenna types such as T2FD, Broadband Terminated Dipole (BBTD), Rhombics and others

Resistive Value: 1000 ohms (+/- 10%)

SSB (25% duty cycle) rating in Watts: 600

CW/FT8 (50% duty cycle) in watts: 300

Length (tip to tip) Inches: 14"

Width inches: 3"

Inductance < 20 nH (1-61 MHz)

Internal Resistance Wattage: 200 watts

you can use 2 of the 1000 ohm resistors in parallel to yield 500 ohms total and double the power at 1200 watts. Perfect for high power antennas with 9:1 transformers requiring 500 ohm termination resistance total.

Excellent Install of BBTD by K1FU

Delivery Note (2/15/2023) - we are currently out of stock but will have more in stock around April 1, 2023. You can order now to get in the queue for the next 100 resistors.

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Likewise Termination Resistor values vary from 500-1250 ohms and we have a good selection shown HERE: