Two items from electroresales.com that may come in handy. Skip to the beginning of the images gallery. Image is a representation of this item. Both Tune all bands from 40m through 15meters, On 10M the bandspread is very wide making for even less critical adjustment. MATCHING So now you know the efficiency of a loop and you can tune it to a specific frequency. These are manual tuners designed to tune small loop antennas, and are particularly useful for antenna restricted and/or portable operation. Learn more about TLS. from PA, Date: No. Once the background noise is peaked, I make a short car-rier transmission (CW or AM) and … If you’re running more than 100 watts (blasphemy), you’ll probably want a whip which can handle your desired power output. Monday through Friday. There may be a bit of differential in the Chameleon results as they say the loop was varied in height above ground during SWR data taking. As the run progresses, the player utilizes an expanding deck of various cards to place enemy units, buildings and points of interest, and … The AlexLoop has long been the gold standard of the portable magnetic loop antenna. A loop antenna is a very high-Q circuit, and therefore very high voltages will be generated across the tuning capacitor – on the order of many thousands of volts. For the best experience on our site, be sure to turn on Javascript in your browser. A Manual Tune model and A Remote Tune model . 4) Engage with moderate pressure the … If it overshoots a lot and oscillates, either the integral gain (I) needs to be increased or all gains (P,I,D) should be reduced; Too much overshoot? from CA, Date: You are perfectly tuned. On 40M, the W4OP loop is 4dB better than the Alex Loop, 6dB+ better than the Alpha Loop, 5dB better than the Chameleon CHA-P … Details about Alex Loop Premier 40-10 M Magnetic Ant w/ AlexTune and carry case See original listing. Trademarks. We were able to ragchew with Q5 copy. Please. EVEN SSB! No matter how fast you turn the AlexLoop tuning knob the LED will always shine when passing over the ideal tuning point. Never miss a sale onnew DX products,station tools, and more! You are perfectly tuned. AlexLoop Walkham Premier Small Portable Magnetic Loop Antennas. There are two recessed marked points on this pieces (it is not necessary to align the marked points ). Privacy Policy, Sign up to receive news and special by emailSign Up for Email Request a Catalog, Terms of Use | Site Accessibility I've busted pileups with 5w. More EFFICIENT on 40-80 meters using an outer loop that is over 21+ feet providing the most skin effect in a double loop configuration, which squares efficiency = You Will Hear & Be Heard! of I use a small photo tripod (the cheap $20 type) with the head removed to support my AlexLoop. This is inteface to control a magnetic loop antenna, especially designed for Alexloop Antenna. The home-brew tuning capacitor shown in Figure I and the accompanying photo- graphs is a low-cost alternative to commer- cial units. coaxial cable loop and the tuning box. such as order checkout, to operate on this web site. The AlexLoop is extremely compact, lightweight, and fast to set up--in fact, you can easily set it up in less than a minute with a little practice. Adjust the loop until you hear the receiver noise peak, Then press the transmit button and fine tune the loop for maximum LED brightness. September 09, 2020, Reviewer: The AlexTune makes tuning the AlexLoop a cinch. Might be a cool add on to consider, Alex. The AlexTune makes tuning the AlexLoop a cinch. All inside a mouse small magnetic loop remote control. The capacitor is adjusted using a vinyl mini-blind wand … A Manual Tune model and A Remote Tune model . The transmission line is RG-58/U coaxial cable with several turns wound into a coil at the feed point to form a choke balun. Waters and StantonHours: 9am to 5pm Monday - Friday (closed Sat, Sun & Bank Hols) Call: 01702 204965 International calls: +44 1702 204965 Email: sales@wsplc.com Address: Unit 1 Fitzherbert Spur, Farlington, Portsmouth, Hampshire, PO6 1TT, Only registered users can write reviews. The motor is controlled by a PWM circuit that precisely sends DC … The KD7S loop-tuning capacitor used with a 3-foot-diameter loop antenna. In the case of the Chameleon loop, we used their SWR figures. your hand inside the loop will de-tune while trying to tune. For the best experience on our site, be sure to turn on Javascript in your browser. There are three … Can you tell I love my AlexLoop? The Alex Tune clips onto the loop assembly adjacent to the tuning control. I had one suggestion. Before operating be sure that the coaxial connectors are firmly . The cost of having a more efficient antenna system is having fewer bands, and a frequency guide which is no longer calibrated to the super slider. We ship in-stock parts via ground shipping the same day if ordered by 7:00 pm (Eastern). Lovesick by Otto Wallgren ALEX MERCH! Alex Loop Antenna. AlexLoop Premier With Built In Alex Tune. I found it easier to support the WalkHam on an inexpensive camera tripod. AlexLoop Portable HF Loop Antenna was invented, patented and introduced to the ham market by Alex Grimberg, PY1AHD, in 2007. | You can return any new or unused item within 10 days of the date your item was shipped and we will refund the full purchase price. AlexTune Loop Antenna Visual Tuner. That's it. Reviewer: Within fifteen minutes of receiving the antenna, I had it set up in a bedroom and working Europe on 17 meters with 5 watts through the window. What else do you need? I've made contacts on all bands with it, even 40m. 73. The AlexLoop is so light that can be temporarily placed using a low cost plastic clamp. Using A Mag Loop in the Field zAXIS of Loop is Pattern Direction zPattern Figure-8 Shaped zPeak Direction somewhat Broad zNoise Direction Narrow zI Have Worked JA, KH6, and UA0 Portable with Alex Loop with 5-10 Watts. such as order checkout, to operate on this web site. Doesn't the Alex Loop tune itself? NOTE: The AlexTune will soon be available from DXEngineering. Reviewer: Rather, the 2 gangs are connected in series. You are perfectly tuned and you can leave it clamped in place if you like. Hold and tune AlexLoop SML 7-30 Small Magnetic Loop... Plug and Play AlexLoop SML 7-30 Small Magnetic Loop... FT817 + PY1AHD Portable Magnetic Loop antenna: FT817 + HF QRP Body Worn Small Magnetic Loop Antenna : QRP DX on 14.250 SSB PY1AHD Alex in Rio - A41MX Farid in Oman: PY1AHD ALEX QRP with OS8A and ON7WB In … Using A Mag Loop in the Field zUsing Mag Loop Horizontally: Using A Mag Loop in the Field zAXIS of Loop is … We offer both a Manual Tuning and Remote Tuning Version of the W4OP Loop. This antenna is designed to work from 40 to 10 meters allowing a maximum power of 10W FM/AM and 20W PEP in SSB. I've been using AlexLoops for years, and I've built a couple of homebrew loops that I hardly ever use. Alex has developed this antenna bringing costantly improvements since more then ten years, The AlexLoop antenna can be easily mounted and disassembled for easy carrying. The main tuning variable cap is dual gang and does not make use of the lossy grounding fingers. Both Tune all bands from 40m through 15meters, Be sure to have ferrite RFI protection on your USB cable, otherwise you will get computer issues when transmitting. 1 Comments … Please ensure that JavaScript is enabled. A 6:1 reduction drive makes for easy tuning. I emailed the CW operator at the EA6FO contest station Julio Isa Garcia EA3AIR explaining what I had done and here is his reply: On Tue, 19 Feb 2019 20:28:30 +0100, Julio Isa Garcia wrote: 14064 CW 2019-02-17 1301 EA6FO 599 KW KC4AUF 599 VA 3 Dear Tony This is a literal copy of my QSO with you … This antenna is designed to work from 40 to 10 meters allowing a maximum power of 10W FM/AM and 20W PEP in SSB. The Alex Loop is very portable and can be set up inside a room and it works but I had to work for most of my QSOs. AlexLoop Walkham Premier Small Portable Magnetic Loop Antennas are lightweight, can be quickly assembled and are easily tuned to any frequency between 6.95 and 30 MHz for QRP operations. JavaScript is necessary for various functions, Adjust the loop until you hear the receiver noise peak, Then press the transmit button and fine tune the loop for maximum LED brightness. fingers at the tuning knob and the other hand navigating on the radio . Portable Small Magnetic Loop, AlexLoop Walkham Premier, Gold Plated Connectors, Each. As an example, a loop with 10-foot circumference will only have a radiation Hoping for more to come! Description: This … The AlexTune works reading a small sample of the power circulating on the transmitting loop. It works better than the BP ever did, I can set it up in 5 min, it is fairly insensitive to … All inside a mouse small magnetic loop remote control. I had yet to have a successful QSO (but RX was great). GREGORY Alex Loop. Alex Loop – Magnetic loop portable antenna. The Alex Tune clips onto the loop assembly adjacent to the tuning control. Before operating be sure that the coaxial connectors are firmly . 20 watts PEP SSB, 10 watts FM/AMItems Included:- AlexLoop Walkham Premier Loop parts- Manual tuning box built into the base of the antenna (model with AlexTune has tuning indicator LED) - 8.5 ft. coaxial cable included, with BNC connector- Soft Carry Bag, total antenna pack weight including bag: 3.3 lbs., Carry Bag size (WHD): 16.1 x 10.6 x 3.5 in. the illustration at the top of this page doesn't show the tuning box, but the video will, and the yl assembles it so the knob is outside the loop. Alex recommends operating while sitting in a chair or bench, holding and tuning the WalkHam with one hand and operating your radio with the other hand. The last two months I have used the AlexLoop next to the IC-705 to reach out to Europe and South America from Virginia, FT-8 at 5-10W. with the operator comfortable seated on a camping chair with a hand . Just clamp it on the PL259 connector and turn the loop tuner knob until the LED shines brightest as you transmit in any carrier mode. AlexLoop Assembling Instructions 1) Take the coaxial cable from the carrying bag inner pocket 2) Press the rolled cable forming a circle, open the two Velcro pieces and unroll the loop coaxial cable forming a circle. After I bought the loop, Alex gave me a demonstration of how to assemble, use, and disassemble the loop. Alex has developed this antenna bringing costantly improvements since more then ten years, The AlexLoop antenna can be easily mounted and disassembled for easy carrying. Portable Alpha Loop (version 6.x) for coverage of 10-80 Meters handles 100 Watts PEP SSB on 10-40 Meters and 20W PEP SSB on 40/60/80 Meters when the included Booster Cable is installed. The AlexTune makes tuning the AlexLoop a cinch. Fast, Easy Setup, Tiny Footprint, Great Fun! That’s not really a bad thing, we just have to tune the antenna manually. Alex of AlexLoop gave me this magnetic loop tuning aid at Dayton. As I have told you that the impedance of this type of antenna can be as low as 0.1 ohm. First QSO in the bag. If you have a small garden, live in a flat or need to hide an antenna in the attc, my range of Magloop antennas may be just what you are looking for. Just clamp it on the PL259 connector and turn the tuner knob until the LED shines brightest as you transmit in any mode. Best Tech Advice and Customer Support, before and after your purchase! Alinco Electronics All Ride Alpha Antenna USA ALTAI PRODUCTS ... modern improvements in magnetic loop antenna design.Magnetic loop Ideal for restricted space locations,You can remotely tune to the ham bands in seconds reduces harmonic interference and provides super front-end receiver selectivity. Português 100 watts Small Magnetic Loop Antenna . The second time it blew over it was badly damaged and AFAIK has never been used since. Both AlexLoop Walkham Premier Antenna versions offer:- A unique, light-weight (2 lbs. The above pictures shows the right way to operate the AlexLoop antennas . The AlexTune RF LED Tuning Indicator for transmitting magnetic loops detects relative RF power output. 20W Power Handling. HOME | VIDEOS | CLIPPINGS | TESTIMONIALS | CONTACTS. WiMo Antennen und … It is impractical to be separated from the Alex Loop by any distance as one needs to tune … Then, put the KX3 into tune mode (I use one watt) and then touch up the AlexLoop’s tuning, while keeping an eye on the KX3’s SWR display. DX Engineering offers both upgraded versions, the AlexLoop Walkham Premier Antenna (without AlexTune) and the AlexLoop Walkham Premier with AlexTune, a built-in tuning indicator LED. That's it. The main tuning variable cap is dual gang and does not make use of the lossy grounding fingers. very high Q, you will need to re-tune with even fairly small frequency changes. ULTRA LOW LOSS MONO BLOCK GOLD PLATED PL259 … I had one DX station tell me he didn't believe me when I told him I was using a small loop and 10w. The Alpha-Loop assembly was time consuming, and the Alpha-Loop was 1 to 2 S-units below the Alex-Loop on both transmit and receive. This small magnetic loop antenna was designed for installation on the top of the roof and remotely tuned by a small geared DC motor coupled to the variable air capacitor shaft. It’s very pronounced, so you won’t miss it. Because of the way the loop was designed, the SWR was not stable, constantly jumping from 1:1 to 2:1 when the wind blew. As a bonus, the need for an extremely low-speed tuning motor is offset by using a simplified drive mechanism. That's it. Two items from electroresales.com that may come in handy. The footprint is small and efficiency is good for its size, especially on the higher bands. Please ensure that JavaScript is enabled. JavaScript is necessary for various functions, For several years now I have been developing and making small Magnetic loop antennas. Because of the way the loop was designed, the SWR was not stable, constantly jumping from 1:1 to 2:1 when the wind blew. That's it. Arduino-PID-Library; Arduino-PID … Your JavaScript appears to be disabled. As the run progresses, the player utilizes an expanding deck of various cards to place enemy units, buildings and points of interest, and … JavaScript seems to be disabled in your browser. The AlexLoop SML 7-30 is the only Magnetic loop antenna ever offered that can continuosly tune from 7 Mghz to 29.6Mghz. The ends of the 112 inch loop of RG-8A/U coaxial cable are attached to the SO-239's on the tuning enclosure. If you are an international customer who ships to a US address choose "United States delivery" and we will estimate your ship dates accordingly. Yes JAMES Just clamp it on the PL259 connector and turn the tuner knob until the LED shines brightest as you transmit in any mode. attached to the tuner unit. The antenna tunes from 10 through 20 meters and is rated for 100 W input. from GA, Date: tuning required (typical of very small magnetic loop antennas). found this review helpful. [Eric Sorensen] is going down the path less travelled, undertaking the build of a self-tuning magnetic loop antenna. ALEX-LOOP Antennas. Using A Mag Loop in the Field zTUNING: zHigh-Q Makes Tuning by Receiver Noise Easy and Fairly Accurate zALWAYS check SWR before APPLYING Full POWER zCan Use MFJ-249/269 or other Antenna Analyzer, but Stand as Far from Loop as Possible zStep in, Step out Dance Dance Revolution! How about the Alex Loop box.. does that look like it is meant to be permanently mounted outside. If you’re running more than 100 watts (blasphemy), you’ll probably want a whip which can handle your desired power output. After I bought the loop, Alex gave me a demonstration of how to assemble, use, and disassemble the loop. To tune the antenna, I listen carefuly to Figure 9 — The AlexLoop Premier tuning unit, with its built-in AlexTune LED tuning indicator in the top-left corner. What else do you need? The Alex Tune clips onto the loop assembly adjacent to the tuning control. You can even use it pedestrian portable. No matter how fast you turn the AlexLoop tuning knob the LED will always shine when passing over the ideal tuning point. The beauty of this antenna is that it is easy to transport and set up. June 09, 2020. Brightness varies depending on the band you are operating, the lower the band the lower the brightness. I not only use my Alex Loop Antenna for my ham radio QRP work but I find it to be a fabulous antenna for SWLing. Another great feature of this antenna is the deep null 90 degrees off axis--you can easily null out noise sources. Announced at the Game Awards 2020, Loop Hero is an upcoming deck-builder set within a timeless loop of darkness, complete with roguelite and auto-battler elements.Each loop begins in darkness, with nothing but a brave hero and barren, looping path. of On 10M the bandspread is very wide making for even less critical adjustment. Brightness varies depending on the band you are operating, the lower the band the lower the brightness. RICHARD January 17, 2021, Reviewer: with the operator comfortable seated on a camping chair with a hand . The AlexTune also works with other magnetic loop antennas that use PL259 connectors and a coaxial cable radiator like the AlexLoop. One is a SWR Bridge and another is a field strength meter. Increase P. Ramps up quickly to a value below target value and then slows down as it approaches target value? The AlexLoop Walkham Premier is the new and further enhanced version of the original AlexLoop with specially manufactured ULTRA LOW LOSS MONO BLOCK GOLD PLATED PL259 CONNECTORS . coaxial cable loop and the tuning box. Soon you will not be able to create a secure connection to our web site using TLS 1.0. You are perfectly tuned and you can leave it clamped in place if you like Find AlexTune LED RF Tuning … I'm thinking I might try to 3D print a reduction drive so I can avoid overshooting when tuning. Actual item may vary. I am really interested in pedestrian mobile so I feel this product is right for me. Sample tripod - not included . Alex Loop. Just clamp it on the PL259 connector and turn the loop tuner knob until the LED shines brightest as you transmit in any carrier mode. Alex Loop – Magnetic loop portable antenna. The Alpha-Loop assembly was time consuming, and the Alpha-Loop was 1 to 2 S-units below the Alex-Loop on both transmit and receive. That way I could easily tune the antenna, orient it for best signal strength, and then concentrate on … assembled weight) and low profile design for antenna restricted hams and short wave listeners- Stealth use supported on windows, balconies or even indoors, then remove when ops are finished- Perfect companion to the QRP rig for the traveling ham; max. You are perfectly tuned. One is a SWR Bridge and another is a field strength meter. December 26, 2019. Amazing to sit in my office and connect at those distances. Tom. A 6:1 reduction drive makes for easy tuning. 1 30 your The KD7S loop-tuning capacitor used with a 3-foot-diameter loop antenna. The AlexLoop SML 7-30 is the only Magnetic loop antenna ever offered that can continuosly tune from 7 Mghz to 29.6Mghz. You can easily construct this ca- INotes appear on page 32. MFJ-935B Loop Tuner: Review and Modifications By Phil Salas AD5X While wandering around the MFJ area at Dayton 2005, I saw several new products that got my attention. 5,414 views Report item. Increase D, decrease P. Response too damped? The small, light loop antenna like Alex Loop are using smaller air variable capacitor, hence its power handling limit is low (~10 watt at most). To tune the antenna, I listen carefuly to Figure 9 — The AlexLoop Premier tuning unit, with its built-in AlexTune LED tuning indicator in the top-left corner. Manual tuning hints. A calibration process let the controller know whre is the minimum and maximum limit are. Adjust the loop until you hear the receiver noise peak, Then press the transmit button and fine tune the loop … HOME | VIDEOS ... Press the rolled cable forming a circle, open the two Velcro pieces and unroll the loop coaxial cable forming a circle. W1PDI Sent from my iPhone. The magnetic loop antenna assembled on a 5 foot length of 1/2 inch PVC conduit and secured to a tripod with Velcro straps. Alex Loop Premier 40-10 M Magnetic Ant w/ AlexTune and carry case: Condition: Used. controls. Vertical mounting gives you good low angle radiation for DX and some high … 0 Copyright© 2021 by DX Engineering That's it. Sample tripod - not included . The one exception being at the tail end of a contest when the big guns were hungry in the USA and I worked fourteen Ws running ten watts and the Alex Loop inside the shack. Just imagine HF QRP DX while walking. AlexLoop Walkham Premier Small Portable Magnetic Loop Antennas are lightweight, can be quickly assembled and are easily tuned to any frequency between 6.95 and 30 MHz for QRP operations. attached to the tuner unit. antenna; magnetic loop; amateur radio; alexloop; controller; Jun 30,2015. Rather, the 2 gangs are connected in series. tuning required (typical of very small magnetic loop antennas). Quick and Positive One-Hand Tuning. found this review helpful. This small magnetic loop antenna was designed for installation on the top of the roof and remotely tuned by a small geared DC motor coupled to the variable air capacitor shaft. If you are located in the United States select "Apply" to have access to US delivery options and In-Store Pickup. Privacy and Security This morning I tried again on 20m and had a station in Illinois come back to me! We're confident our prices are the lowest. Your JavaScript appears to be disabled. The … BUBS ALEXLOOP WALKHAM PREMIER. AlexTune Loop Antenna Visual Tuner. Mechanically, the capacitor consists of two lengths of 1/2-inch-ID copper pipe that telescope in and … The AlexTune also works with other magnetic loop antennas that use PL259 connectors and a coaxial cable radiator like the … One series of products that I found very interesting were the MFJ loop tuners. The AlexTune also works with other magnetic loop antennas that use PL259 connectors and a coaxial cable radiator like the AlexLoop. in the plane of the loop, and deep nulls perpendicular to the loop. A 5V step motor is controlled with a RF remote control. This arrived with the tuning capacitor rotor out of its rear bearing, and the capacitor frame bent. The manual … Ended: Dec 18, 2020. The antenna tunes from 10 through 20 meters and is rated for 100 W input. Also, because the loop is small compared to a full-size antenna, it has very low radiation resistance. the background noise level and slowly turn the tuning knob until there is a dramatic increase in noise. This is my second AlexLoop (sold the other one when I wasn't doing QRP operations). It is impractical to be separated from the Alex Loop by any distance as one needs to tune the antenna if you change frequency by more than 20 kHz or so. Please upgrade your browser from current version(Google Chrome - 84). from VA, Date: Very Efficient and Very Quiet. First KH6 repeatedly said he didn’t believe me since I was 57 on 5W Hold and tune AlexLoop SML 7-30 Small Magnetic Loop... Plug and Play AlexLoop SML 7-30 Small Magnetic Loop... FT817 + PY1AHD Portable Magnetic Loop antenna: FT817 + HF QRP Body Worn Small Magnetic Loop Antenna: QRP DX on 14.250 SSB PY1AHD Alex in Rio - A41MX Farid in Oman The new model goes on a small cushioned bag designed to accommodate 3 small 15 inches pieces that can be easily assembled and disassembled in less than a minute. PY1 AHD ALEX - Alexandre Grimberg - py1ahd . No brochure … PY1 AHD ALEX - Alexandre Grimberg - py1ahd . The manual tuning version offers a tuning knob on the matchbox to allow you to physically tune by hand and the remote tuning offers the ability to tune via the wired handheld remote. The remote tuning version comes with a 25′ cable to operate the remote but can optionally be extended up to 75′ if you wish. If you have a small garden, live in a flat or need to hide an antenna in the attc, my range of Magloop antennas may be just what you are looking for. The AlexLoop Walkham is a Small Magnetic Loop Antenna designed by Alex - PY1AHD after nine years of field tests with more than 800 confirmed QRP DXs. I can use my phone or laptop to access the web interface and tune a magnetic loop antenna. And because the antenna is very high Q, you will need to re-tune with even fairly small frequency changes. Quick and simple! Although the AlexLoop doesn't have the same signal strength of a full-sized antenna like a dipole, it does not require supports, or any room at all, to set up. Dip the tuning for minimum SWR, and you’re done. The motor is controlled by a PWM circuit that precisely sends DC voltage on a train of pulses for fine tuning the antenna to … The AlexTune makes tuning the AlexLoop a cinch. That’s not really a bad thing, we just have to tune the antenna manually. Alex pioneered the modern renaisance in small magnetic loops, and did a lot of research to squeeze the most out of this loop. AlexLoop Walkham Small Magnetic Loop Antenna Features Easily Tune in 5 seconds any frequency between 6.95 MHz and 30 MHz You simply need to adjust the built-in tuner to peak the signal in receive mode and then fine tune in transmit mode for the lowest SWR No taps on coils for band changing and no whip adjustments needed to fine tune. More EFFECTIVE & EFFICIENT than any other manufactured loop, as the Alpha Loop is: More EFFECTIVE at getting your signal across on 10 to 40 meters using 100 watts PEP SSB = You Will Be Heard!
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