eBay

The SWL-4 is a 50 or 100 foot (18 AWG gauges), end-fed shortwave listener's antenna designed to perform well on the shortwave from .5 to 30 MHz and the medium AM broadcast band (540-1750 kHz). The antenna lead in cable is high quality RG174/U, 50 OHMS coaxial 25 foot long and terminated by a choice of different connections (Specify when ordered). The lead in coax is also used as a counterpoise for the antenna. A connection to ground is therefore not required but the stainless steel eyelet is internally grounded if required, can be grounded if reception is noisy, static or experimental. (Normal: no ground)

It features special matching network transformer (10:1)(long wire) high impedance 500 to 50 ohm to connect directly to antenna input of the receiver . This antenna is Omni-directional.

The SWL-4 is complete and ready to go for receive and can be used indoors or outdoors, portable or fixed and is completely waterproof. Including polyester rope.

If ordered with no mention, there will be : BNC (male) for modern receiver
1/8” (3.5mm) plug for portable type receiver.
Multi-purpose alligator clip.
Terminal lug.
PL-259 table top receiver
NEW: SMA FOR SDR RECEIVER
PAL male
MCX-M

100 ft version also available as below under eBay Item number: 221351583379

Shortwave Broadcast Bands:

AM (.5-1.6 MHz), 120 MTRS (2.300-2.495 MHz), 90 MTRS (3.200-3.400 MHz), 75 MTRS (3.900-4.000 MHz), 60 MTRS (4.750-5.060 MHz), 49 MTRS (5.900-6.200 MHz), 41 MTRS (7.100-7.350 MHz), 31 MTRS (9.400-9.900 MHz), 25 MTRS (11.600-12.100 MHz), 22 MTRS (13.570-13.870 MHz), 19 MTRS (15.100-15.800 MHz), 16 MTRS (17.480-17.900 MHz), 15 MTRS (18.900-19.020 MHz), 13 MTRS (21.450-21.850 MHz), 11 MTRS (25.670-26.100 MHz).

Amateur Radio Bands:

160 MTRS (1.800-2.000 MHz), 80 MTRS (3.500-3.600 MHz), 60 MTRS (5.332-5.405 MHz), 40 MTRS (7.000-7.125 MHz), 30 MTRS (10.100-10.150 MHz), 20 MTRS (14.000-14.150 MHz), 17 MTRS (18068-18110 MHz), 15 MTRS (21.000-21.200MHz), 12 MTRS (24890-24.930 MHz), 10 MTRS (28.000-28.300MHz).