G8JNJ Broadband HF Vertical Antenna - Vertical antennas plans | The 14MHz with 6 circles near the rod antenna, retracting the pull rod about 20cm, SWR: 1., 1-1., 3 (on the marked red line with gold)., 21., 4MHz with 4 sections of aluminum tube plus 7 sections of rod antenna + 10cm, SWR: 1., 1-1., 3., 29., 6MHz with rod antenna only, fully extended and retracted about half section, SWR: 1., 2., Note: Ensure shrapnel contacts only touch the marked coils, avoiding adjacent coils Easy to Deploy: This lightweight (1., 35kg) portable HF antenna is easy to set up by one person in 5 minutes. Enhanced Performance & Excellent Reception: The JPC-12 ham radio HF antenna offers optimal signal reception and transmission with its low standing wave ratio (SWR) and efficient design, providing reliable performance and improved efficiency for both seasoned enthusiasts and beginners. 10 Best Hf Vertical Antennas For Ha Radio - January 2026 It’s great for POTA/SOTA Multiband Vertical Antenna Durlo Exclusive Network Disk Radial Plate For JPC-12 HF Antenna Portable Shortwave Antenna JPC-12 PAC-12 4.1 Meter Vertical Antenna With Tuner By simply sliding the adjustment block, you can make adjusting the standing wave straightforward and effortless The reference data of sliding regulator: 7MHz in 4 circles near the side of the aluminum tube, the pull rod retracts about 10cm, SWR 1., 1-1., 3 (on the red line marked with silver) For vertical installation, it can be stuck into grass or sand The new version of the JPC-12 HF radio antenna features a sliding regulator that replaces the adjusting screws and plugs found on the old model. 14MHz in 6 circles on the side close to the rob antenna, the pull rod retracts about 20cm, (on the red line marked with gold) SWR 1., 1-1., 3, 21., 4MHz with 4 sections of aluminum tube plus rod antenna 7 sections +10cm, SWR1., 1-1., 3, 29., 6Mb with rod antenna only, pull out all and retract about half section, SWR 1., 2 Good Build Quality It is compact and lightweight, making it ideal for hiking, camping, or other outdoor activities. AURSINC Portable Active Loop Antenna, HFDY Shortwave Antenna 50KHz-500MHz HF AM FM VHF UHF Magnetic Loop Receiving Antenna for Ham Radio (with Improved Amplifier NOTE: Shrapnel contacts only contact the marked coil, do not contact the adjacent coil The above parameters may vary slightly depending on the environment, and can be fine-tuned according to your actual situation. Reference Data: Gain reference data for specific frequencies: 7MHz with 4 circles near the aluminum tube side, retracting the pull rod approximately 10cm, SWR: 1., 1-1., 3 (on the marked red line with silver). With the ability to tune to a wide range of frequencies, this antenna is perfect for the ham radio operator on-the-go. Whether you’re hiking, camping, traveling, or using it on a balcony, the JPC-12 Antenna is the perfect choice to take with you. Perfect for outdoor platforms, business trips, or balcony installations. Adjusting the angle mesh can change the impedance of the antenna Antenna Installation Showcase The antenna can be installed both horizontally and vertically For horizontal installation, it can be mounted on a balcony with the ground mesh laid out or hanging down
