The original Ed Fong Dual Band VHF/UHF 70cm/2m J-Pole PVC Pipe Antenna : Eye-On-Stuff - YouTube
2m-70cm Antennas
I've constructed a 144/440 Dual band Open Stub J-Pole Antenna. I saw the plans for this on the internet (link to plan… | Ham radio antenna, Radio antenna, Ham radio
An Easy Dual-Band VHF/UHF Antenna
Slim Jim and J Pole calculator – M0UKD – Amateur Radio Blog
Dual Band 2m/70cm, J pole Antenna VHF/UHF , connector SO-239 | eBay
Dual Band 2M / 70CM Stainless Steel J-pole Antenna, Made in USA