Counting matching models…
This winder is a little more Versatile than other iterations, subjectively. It uses M5x0.8 Threads to allow each dipole post more secure into the winder. SO239, space for a T140-43 or smaller Toroid for a Choke. Pictured is the dipole as…
The proposed solution is antenna winder which integrates UNUN in the center and contains two compartments, in first one thin coax cable such as RG174/U of length 2.5m and ended with BNC connector is wound, while in the second one the thin…
Overview This design combines the functionality of both a transformer housing and wire winder into a convenient package that is both easy to deploy and store. It is sized to hold an FT140-43 toroid and approximately 67ft of 18AWG wire,…
Links with labels for 80m, 60m, 40m, 30m, 20m, 17m, 15m, 12m, 10m and without label to build a linked dipole antenna as described in multiple places (e.g. here or here ). With the wire I used (simple 1.5mm² wire from a local hardware…
Wire Winder made by the "Ham Radio Dude" I had 4 hole SO239's on hand, and wanted to use em. Perfect for a Dipole or EFHW Fits an FT140-43 Toroid. Any and all use must credit the original author, “Ham Radio Dude”
A simple clip to pass antenna wire through and to be held by a carbon 6 pole or pretty much any fishing pole with a decent enough top section (i.e. not the very fine squid pole types). The simple version should be adequate for most…
Eclipse NVIS Antenna 40m 20m (15m) 10m this antenna is meant to be an all in one package for emergency NVIS communication. can also be used for POTA for those local QSO in your skip zone. the goal is quick deployment, lightweight and…
2 SIZE AVAILABLE, for QRP or 100W~ simple box for matching unit SOTA POTA portable operation. could be used to make a Dipole, EFHW, EFRW antenna. radio plug into the BNC, the Antenna into the Banana plug. item required: -4mm banana plug…
Multiband End Fed Half Wave Antenna The design of the antenna comes from Frank N4SPP , who presented it originally on his web page Multiband End Fed , which is now unfortunatelly archived. Click on the link to visit the Internet Wayback…
Case for EFHW with FT140 (fits other cores) with BNC connector No screws, tight fit case for this simple /P antenna Antenna has shielded opening at the bottom to let the moisture out and avoid problems. Donations for new trx are more than…
Print in PETG 25% infill. No supports needed
Portable, pack style antenna. The parts to be printed are - Antenna matching circuit enclosure, loading coil bobbin, wire end insulator, and wire winder for an end fed half wave antenna. The shape of the UNUN enclosure is intended to…
I designed this to connect an EFHW to a sotabeams tactical mini mast. This allows the antenna wire to freely flow on the mast tip without snagging and so the EFHW to be adjusted based on conditions to inverted L, sloper, inverted V with…
Quick printing wire strain relief for wire antennas. Center hole for connecting stuff. Has a gentle curve as to keep wire from de-sheathing. I kept de-sheathing some thin wire with a simpler strain relief so whipped this one up... The…
EFHW antenna base. 4mm screw holes. 6mm support holes Fits this toroid: https://www.amazon.com/dp/B084LVGZ9Q Has optional ground connection hole and counterpoise hole. My personal design uses a counterpoise and I DO NOT connect it to…
I like the original OM2JU ( http://om2ju.com ) design and desided to change his model to comply with my needs. I slightly changed the overall dimensions, extended internal part to accomodate bigger UNUN and possible antenna tuner.…
I built this Spoolantenna (KelAntenna ) that was created by OH8CRX. Used it on vacation in Germany on 15 mtr band. Made some nice contacts to USA, rst 57 with my Xiegu G90 20 watt. Easy and simple to assemble All credits to Jucca OH8CRX…
EFHW antenna box, to be filled with EPOXY/Resin. Uses BNC adapter and two 4mm lab-connectors.
UPDATE 11/9/25 - HRD DUDETENNA CASE ADDITION! Now get the cases located at my affiliate link - https://amzn.to/43oyh2G ot wherever you find your cases and print this. Boom, more rugged winder. UPDATE: I uploaded the correct BNC winder.…
[modified from the design by n9dmt ] this is a portable reel to hold a long wire and a balun/unlun transformer. basically an Antenna kit. here is a list of features and modifications i did: removed the screw feature that was hard to print…
I required a way of locking the end of my EFHW antenna once tuned and trimmed. So I created this lock. I used an M4 brass insert and printed 100%. Wrap the wire around the island and then the top clamps down on the antenna wire and locks…
A small part to hold the QRP Guys EFHW tuner onto a piece of standard plastic conduit when out and about on a sota summit. A few sizes of the thumb nut are included as it'll depend on if you'd like to glue the cap on or rely on a size for…
I designed this as a robust housing for the little K6ARK EFHW transformer. His design uses a proprietary PCB and tiny capacitor. My design allows for the use of larger through hole capacitors. It incorporates a panel mount SO-239…
The spool will fit a Fair-Rite - 2643251002 wound in a 15:2 auto transformer setup. It fits onto the center spindle fairly snug so I didn't bother with any zip tie loops in the model. According to what I have read it should be able to…
Transformer for end fed antennas, 49:1. Parts needed: 140-43 ferrite 100pF mica capacitor(optional, needed for higher bands) BNC chassi connector Lab power supply connector or similar 1m approx. 1mm copper wire Tested with 2530ohm dummy…
The EFHW Antenna EFHW (End-Fed Half-Wave) antennas are popular among amateur radio operators, especially for outdoor activities like SOTA (Summits on the Air) or POTA (Parks on the Air). You can find general information about this antenna…
The Little Dude (Tenna). QRP EFHW with BNC and tabs to snap on Wago connectors. Still PLENTY to do to this, but if you would love to test this out, I would love to see it in action. (Video coming soon) V2 is labeled MiniLite.stl and has…
This is a sotabeams inspired antenna insulator for end fed half wave antenna. It snugly fits carbon6 and tactical mini masts. Tie your end fed half wave to one side like in the picture. Your efhw will form two guy lines of your mast.…
I have recently purchased the Sota Beams 7 Meter mast and the drive on stand. When you put the mast into the drive on stand there was too much play for my liking so I designed a mast support. The mast support is printed in two halves.…
Please share this with other printing groups, forums, etc. This winder is a little more Versatile than other iterations. It uses M5x0.8 Threads to allow each dipole post more secure into the winder. SO239, space for a T140-43 or smaller…
EFHW antenna balun case with BNC connector
The box and the cover should be printed with PETG, 4 perimeters, 4 top and 4 bottom layers the mast attachment should be printed with TPU, 15% infill. I use a simple verlcro with a buckle attached.
I got permission from the original maker to post this remix via DM on thingiverse
EFHW Winder with sealed transformer housing designed for the FairRite 2643251002 ferrite toroid, which performs well up to 100W. The lid can be a bit tight fitting, I had to scale it down to 99% to get it to thread on securely without…
This is a snap shut case for the QRP Guys EFHW Tuner. The print of the top cover requires supports around the wire wingnut posts. The rest of it should do ok without supports. In fact, it is best to block supports for the divots where the…
This is an enclosure for an end fed half wave dipole antenna transformer. It is sized for a Fair Rite 264351002 ferrite core and includes a post to hold the core securely. For 3-30MHz, the transformer is a 14 turn transformer wound with…
To build a multi banded End Fed Halfwave (EFHW) antenna, you often need to add a coil to the wire to help. This is because the ham bands are not exact multiples of each other. One of my friends, Corey N5YCO took advice given on a stream…
Ein Gehäuse für eine EFHW-Antennen. Ringkern ist ein T140-43.
Remake a long 110uh coil using 0.5mm Enameled copper wire. Original is for using 0.3 mm
I wanted a cover for my Radio-Stuff EFHW FairRite T140-43 when in my rucksack. Printed at 30% and then hot glued to atenna bass. The antenna is the BNC EFHW from Radio-Stuff.
Fits a FT50-43 Ferrite Toroid Core https://a.co/d/0fN6m64Y BNC Female Panel Mount Connector https://a.co/d/0g3ZafMm 100PF 10% High Voltage Ceramic Capacitor https://a.co/d/0e7L7mE5 26 Gauge Silicone Wire https://a.co/d/0fFKgEvb
A simple box for the 4SQRP EFHW/EFRW kit. To close the box, I used a couple drops of CA glue around the lid rim.
A housing for an EFHW antenna that fits a single 240 toroid. Designed to accommodate multiple mounting options as well as a built-in shroud to divert rain/water away from the coax connection. Requires M3 heat insert nuts (x7) and various…
Potřeboval jsem spolehlivý hák na moji EFHW anténu, kterou používám na provoz na KV v programu POTA. Několikrát na mne anténa spadla při vytahování stožáru a tak jsem navrhl jiný tvar, který nezpůsobuje vypadávání závěsu antény při jejím…
This is a toroid mount that i developed for my heavy duty EFHW antenna featuring huge FT 290-43 toroid with 73.5 mm diameter. Although I am using this for a 40m EFHW antenna, this could also be used for 1:9 ununs for EARCHI/Random wire…
This frame is designed to mount on a EFHW-4010-LP (end-fed half-wave amateur radio antenna) and similar antennas that share the same enclosure. You keep the frame mounted on the antenna, and when you want to store it, simply wrap the…
A compact, partly 3D-printed enclosure for a 49:1 End-Fed Half-Wave (EFHW) transformer, built into an empty Prusament filament spool. The Un:Un is designed for portable and field HF operation, it can be mounted to any supporting structure…
A 100 W rated EFHW using the 1002 core. Can hold up to 100 ft of 20 AWG wire. other hardware 100 pf HV cap - Digikey BNC connector - Digikey M3X15 3 PCS
Box/container that holds an FT140-43. It's not waterproof but it should be able to handle some rain. The connector is a BNC. The top cover is screwed with M2x8mm. The connections for the wires are made with M3 screws that are locked with…
Antena EFHW enrollable , inspirada en el diseño de la digiantenna la he diseñado desde 0 para usarla con un toroide ft140-43. Se le añadió al carrete un enganche para ponerle un mosquetón. Dejo dos diseños uno para una antena de banda…
Currently Untested. Will update once I print a few of these out and build an antenna with it. If you're ambitious and want to try it out yourself, please let me know how it goes. This is a highly durable wire link designed specifically…
This is a snap shut case for the QRP Guys EFHW Tuner. The print of the top cover requires supports around the wire wingnut posts. The rest of it should do ok without supports. In fact, it is best to block supports for the divots where the…
Fits a FT50-43 Ferrite Toroid Core https://a.co/d/0fN6m64Y BNC Female Panel Mount Connector https://a.co/d/0g3ZafMm 100PF 10% High Voltage Ceramic Capacitor https://a.co/d/0e7L7mE5 26 Gauge Silicone Wire https://a.co/d/0fFKgEvb
A compact, partly 3D-printed enclosure for a 49:1 End-Fed Half-Wave (EFHW) transformer, built into an empty Prusament filament spool. The Un:Un is designed for portable and field HF operation, it can be mounted to any supporting structure…
[modified from the design by n9dmt ] this is a portable reel to hold a long wire and a balun/unlun transformer. basically an Antenna kit. here is a list of features and modifications i did: removed the screw feature that was hard to print…
A 100 W rated EFHW using the 1002 core. Can hold up to 100 ft of 20 AWG wire. other hardware 100 pf HV cap - Digikey BNC connector - Digikey M3X15 3 PCS
