160m Doublet, The 136 foot is positioned ~8 inches off the ground, so as to primarily emit vertical skywave (40m during daylight, 80m and 160m at night). Amateur radio antennas are critical components in any ham radio setup, serving as the interface between the transceiver and the electromagnetic spectrum. Leaving room for adjustments, as everyinstall will be different with soil conductivity, ground systemeffectiveness, height above ground, and a myriad of other variables;I decided to lop off the 450 ohm line at 62 feet. 9 MHz Full-Wave Loop Antenna. Description: The All Band HF Doublet is often referred to as a random length dipole because its length is generally determined by the available space, within reasonable limits. 10m -160m Multiband “Z” Antenna. My first install attempt was into a 100′ white oak tree that I have on the property so I ordered a 10 through 160 meter doublet with 100′ of 600 ohm feed line. It is designed to be a versatile antenna for all bands ranging from 160m to 10m. com . I don’t see too many references to this type of antenna these days, but th… 102 ft. I’m switching to a homebrew DX commander and a 80/40 horizontal fan dipole. Here is how I managed to get pretty decent results with a homemade antenna. 5K subscribers Subscribe. I run a 160m doublet. Mar 10, 2020 · I was recently going through my stash of portable wire antennas and came across one of my old favorites—the doublet. I have a 136-ft doublet, connected to a manual antenna tuner, with an open feedline. If you want to have reliable comms, 24 hours a day, plan on floating between 160-80-60-40-30 meters. Delta Loop Antenna. The parameters used were a68 foot doublet, optimum frequency of 7. Building an amateur radio antenna for 160 meters is a challenge. Terminated Sloper Antenna. I find the band to be very quiet other than during contests, often very noisy with atmospheric noise and extremely quiet (signal wise) during non-winter months. My 80m doublet will tune 160m but it is not a very good antenna and is only 20m up, so I really only work out to about 700 km at best on 160m. If you put a remote tuner at the base of the wire it will match it to any desired frequency on 160. However, there are a Here is one way to squeeze in a resonant 160 meter antenna (no coils) where you don't have enough horizontal space for a full-length dipole. Product Manuals Download Product Manual Life Long Fascination While listening on 40 meters one day I heard a ham on 80 meters using 100 watts into a true ladder line doublet antenna from trueladderline. 40m - 80m - 160m Short Dipole Antenna. Find many great new & used options and get the best deals for Mfj-1777 Wire Antenna 160m-6m Doublet at the best online prices at eBay! Free shipping for many products! Working IZ1LEJ with 85W into the 160m Doublet Antenna System #hamradio #dx #propagation #sunspots N4HNH Radio 18. Of the three the mag loop outperforms the others consistently on 160m. all band doublet covers 160-6 Meters with balanced line tuner. Durable design and performance for all band coverage. I used the special expensive pulleys to get this 241 foot center-fed doublet aloft, and it is a glorious sight. included). #hamradio #hf #antenna I built a 160-meter doublet antenna system around 17 years ago. Purchase now! 160m DOUBLET FED WITH LADDER LINE 6-160m 136 foot non-resonant NVIS doublet, plus a secondary 80 foot non-resonant doublet. Since these antennas are not resonant, they require an antenna tuner and a balun to adapt the asymmetrical transceiver output to the symmetric feedline. 264’ of wire with homebrew 600 ohm ladder line on 4” center. Super strong custom fiberglass center insulator provides stress relief for ladder line (100 ft. Jan 27, 2026 · The All Band Doublet configured as a 'T' Antenna The main HF antenna is an All Band Doublet fed with ladder line and matched with a T-Match antenna tuner including a 1:4 current balun that gives access to all HF bands including the 160m band. Date 1 - 8 of 8 Double sized G5rv Bs 160m OCF dipole Dec 11, 2024 · An 80m doublet will have added overhead gain on 40m, but a the pattern of a 160m doublet has an overhead null on 40m unless the wires are bent. The current ARRL online subgroups Each doublet antenna consists of 2 radiator halves and a two-wire cable. Purchase now! 160m DOUBLET FED WITH LADDER LINE 6-160m THIS PAGE discribes the 160m Top Band Antenna Coupler as it was described in an article by DF2BC in the May, 2011 issue of "CQDL" magazine on pages 332 & 333. for the 160 Meter Band. The title of the article was "Parallelkreis-Koppler fuer 160m". Authentic glazed ceramic end insulators. The most versatile is the doublet. Random Length Radiator Wire Antenna. Handles 1. It feeds directly into my balanced tuner. 03 MC, and a velocity factorof . This forms an effective multiband antenna, because the feedline losses can be relatively low, even at high SWR, as will occur on some bands. Double Extended Zepp Antenna. The groups are aimed at enhancing communication among ARRL leadership, staff, members, and prospective members, in a manner that enables timely updates and collegial discussion. Off-Center-Fed Full-Wave Doublet Antenna. The VE2DPE 160 Special! The All Band HF Doublet Mk3 is a 42-meter-long Inverted 'V' antenna, with an apex of 11 meters above the ground. - AC4XT This antenna performed particularly well with DX, including the Far East, Russia, and North America 🌏 A full-size 160m doublet, fed with 450-ohm balanced open-wire line and a symmetric balanced-to- unbalanced coupling unit at the base. An extended L fed with ladder line, a 120’ circumference vertical mag loop tuned with a HV vacuum variable capacitor and a 180’ doublet fed with ladder line. Dan Magers Tim Ford I have three antennas here that will work on 160m. 91 in the feed line. It’s a pain if you like hopping bands. ARRL manages several online forums where all radio amateurs - ARRL members and non-members alike - can discuss issues and topics in two-way conversation with ARRL staff and leadership. 160m Half-Sloper Antenna. As of 10/01/02 my configuration of the linear loaded voltage fed Tee Vertical/Doublet antenna is: A linear loaded voltage fed Tee Vertical antenna with the entire vertical section and linear load section made out of 450 ohm ladder line. What I came away with is a nice, simple, functional antenna for 160 meters. The doublet is supported about 8-inches off the ground. I am using an MFJ 949e tuner with 4-to-1 internal balun for all band coverage and have no trouble tuning it. Enhance your radio experience with the MFJ 160m-6m doublet antenna ZMF-1777. Half Delta Loop Antenna. Nov 24, 2019 · Is there considered an ideal / optimum length for a doublet for use on 160-10 meters when fed with open-wire feedline and a balanced tuner in the shack? Dec 23, 2024 · A “Doublet” is simply a center fed wire, usually horizontal or in an inverted vee configuration, fed with parallel-conductor line. Date 1 - 8 of 8 Double sized G5rv Bs 160m OCF dipole IMHO no. 5 kW. It is a struggle to achieve much more than 20% efficiency with a pure vertical antenna on 160m. All resonant antennas from here on out for me. Although NEC2 reported the 60 ft vertical as 25%, the loading coil losses would diminish that figure significantly. 1. OCFD antennas will often work well enough on the second harmonic if the antenna is bent 90 degrees at the feedpoint, though it may shift the SWR curve somewhat. The tree limb that supported the center insulator had grown until it w 160m will not be of much use in the middle of the day. Doublet Antenna for 160m, Antennas for Amateur Radio, Ham Radio. bn5yw, uijd, wxysw, mx9an, cqcze, wlccg, tqcz, fhpezh, c2gc, ztcag,