https://greylineperformance.com/blogs/news/introducing-the-dx-flagpole-antenna-aka-80-6m-ocf-vertical-dipole 2026-09-28T18:22:51-06:00 weekly https://greylineperformance.com/blogs/news/the-legend-of-w7dnds-magic-antenna-hamr 2026-09-28T18:22:51-06:00 weekly https://greylineperformance.com/blogs/news/how-close-can-you-mount-your-vertical-to-structures-trees-your-home-or-buildings 2026-09-28T18:22:51-06:00 weekly https://greylineperformance.com/blogs/news/correctly-configuring-the-flagpole-tuner-and-balun-feed-system 2026-09-28T16:57:14-06:00 weekly https://greylineperformance.com/blogs/news/a-look-at-mounting-the-ocf-on-the-ground-level-rooftop-or-on-the-tower 2026-09-28T18:22:51-06:00 weekly https://greylineperformance.com/blogs/news/dx-flagpole-a-passport-to-the-short-waves-in-restricted-neighborhoods-and-hoa-communities 2026-09-28T17:34:37-06:00 weekly https://greylineperformance.com/blogs/news/nationwide-hoa-approvals-and-antenna-zoning-for-the-radio-amateur 2026-09-28T18:22:51-06:00 weekly https://greylineperformance.com/blogs/news/steve-compares-his-20-dx-flagpole-to-84-end-fed-zepp 2026-09-28T18:22:51-06:00 weekly https://greylineperformance.com/blogs/news/doug-wa2dx-reports-it-felt-like-the-olds-days-when-i-had-a-tower 2026-09-28T18:22:51-06:00 weekly https://greylineperformance.com/blogs/news/meet-kevin-20-foot-flagpole-antenna-happy-wife 2026-09-28T18:22:51-06:00 weekly https://greylineperformance.com/blogs/news/weekend-ski-bag-station-beach-kids-build-flagpole-in-90-mins 2026-09-28T17:49:35-06:00 weekly https://greylineperformance.com/blogs/news/customer-writes-4-band-dxcc-this-summer-with-my-dx-flagpole-in-my-hoa 2026-10-05T21:34:57-06:00 weekly https://cdn.shopify.com/s/files/1/0028/2571/5779/articles/W3GF-tilt-up_SKYLINE-greyline-hf-vertical-antenna_35bc5268-ccf4-4607-adfd-3528f108ad1e.jpg?v=1791257533 W3GF: Seven Years, Three Hurricanes, 20 Countries on 6M W3GF's 20-foot Greyline flagpole with the 9-foot DX whip on a tilt-up base, Florida HOA, seven years on https://greylineperformance.com/blogs/news/greyline-flagpole-antenna-on-ham-talk-live-stealth-hoa 2026-09-28T17:35:36-06:00 weekly https://greylineperformance.com/blogs/the-signal-report/k3wa-clean-sweep-cw-sweepstakes-20-dx-flagpole 2026-09-28T18:19:00-06:00 weekly https://greylineperformance.com/blogs/news/running-jas-on-60m-magic-band-with-greylines-20-dx-flagpole-antenna 2026-09-28T18:22:51-06:00 weekly https://greylineperformance.com/blogs/news/greyline-dx-ladder-line-to-coax-pl-259-adapter 2026-09-28T14:28:07-06:00 weekly https://greylineperformance.com/blogs/news/w3gf-installs-20-dx-flagpole-and-in-minutes-works-his-first-dx-in-years 2026-09-28T18:22:51-06:00 weekly https://greylineperformance.com/blogs/news/video-of-a-greyline-dx-antenna-vs-tropical-storm 2026-09-28T18:22:51-06:00 weekly https://greylineperformance.com/blogs/news/boise-idaho-ham-installs-dx-flagpole-works-the-world-with-30-watts 2026-09-28T18:22:52-06:00 weekly https://greylineperformance.com/blogs/news/k7cwc-cliff-in-washington-w7-is-spotted-around-the-world-on-this-24-dx-flagpole-pictured 2026-09-28T18:22:52-06:00 weekly https://greylineperformance.com/blogs/news/roof-mounted-28-greyline-dx-vertical-replaces-wind-damaged-cushcraft-working-eu-easily-picture 2026-09-28T18:22:52-06:00 weekly https://greylineperformance.com/blogs/news/kj7cwq-16-dx-flagpole-and-sgc-237-easily-works-160-6m-pictures 2026-09-28T18:22:52-06:00 weekly https://greylineperformance.com/blogs/news/kd9pqw-xyl-greyline-hoa-flagpole-antenna 2026-09-28T18:22:52-06:00 weekly https://greylineperformance.com/blogs/news/ko4ioe-works-india-on-17m-8-632-mi-on-20-flagpole-antenna-100w 2026-09-28T18:22:52-06:00 weekly https://greylineperformance.com/blogs/news/do-i-really-need-a-tuner-at-the-base-of-my-greyline-flagpole-hf-vertical 2026-09-28T18:22:52-06:00 weekly https://greylineperformance.com/blogs/news/cycle-25-promo-kl2a-w3-builds-an-hf-vertical-antenna-with-a-buddy 2026-09-28T18:22:52-06:00 weekly https://greylineperformance.com/blogs/news/24-greyline-flagpole-hf-vertical-antenna-100w-works-afghanistan-t6aa-video 2026-09-28T18:22:52-06:00 weekly https://greylineperformance.com/blogs/news/video-20-mins-of-fun-ham-radio-cw-from-idaho-using-100w-24-greyline-hf-vertical 2026-09-28T18:22:52-06:00 weekly https://greylineperformance.com/blogs/news/summer-camp-portable-160-6m-hf-vertical-antenna-a-go-kit-with-greyline-performance 2026-09-28T17:49:35-06:00 weekly https://greylineperformance.com/blogs/news/ve7gpz-28-dx-flagpole-okanagan-lake-bc 2026-09-28T18:22:52-06:00 weekly https://greylineperformance.com/blogs/news/greyline-makes-the-cover-of-cq-magazine-from-montenegro-september-2021 2026-09-28T18:22:52-06:00 weekly https://greylineperformance.com/blogs/news/k3qz-with-311-dxcc-countries-chooses-a-gp20-flagpole-antenna-for-his-hoa 2026-09-28T18:22:52-06:00 weekly https://greylineperformance.com/blogs/news/youtube-videos-surf-the-ham-radio-bands-for-real-dx-from-an-hoa 2026-09-28T18:22:52-06:00 weekly https://greylineperformance.com/blogs/news/kc7wez-works-europe-with-100w-from-his-hoa-flagpole-antenna 2026-09-28T18:22:53-06:00 weekly https://greylineperformance.com/blogs/news/limited-antennas 2026-09-28T18:22:53-06:00 weekly https://greylineperformance.com/blogs/news/6m-10m-ham-radio-bands-real-dx-solar-data 2026-09-28T18:22:53-06:00 weekly https://greylineperformance.com/blogs/news/xyls-love-the-hoa-flagpole-hf-vertical-antenna-a-2-for-1 2026-09-28T17:34:37-06:00 weekly https://greylineperformance.com/blogs/news/k3wa-24-dx-flagpole-160m-contest-pvrc 2026-09-28T18:22:53-06:00 weekly https://greylineperformance.com/blogs/news/adventure-max-lilly-find-a-ham-radio-hoa-flagpole-antenna-in-the-attic 2026-09-28T18:22:53-06:00 weekly https://greylineperformance.com/blogs/news/radio-field-ops-report-adding-4-foot-extensions-up-to-40-feet-experimental 2026-09-28T18:22:53-06:00 weekly https://greylineperformance.com/blogs/news/step-by-step-guide-tips-to-working-dxpedition-3y0j-hamradio 2026-09-28T18:22:53-06:00 weekly https://greylineperformance.com/blogs/news/hoa-friendly-ham-radio-antenna-options 2026-09-30T14:07:59-06:00 weekly https://greylineperformance.com/blogs/the-signal-report/ke6tt-works-africa-with-his-24-hoa-flagpole-antenna-100w-on-ft8 2026-09-28T17:35:36-06:00 weekly https://greylineperformance.com/blogs/news/review-of-16-foot-ham-radio-antenna-in-florida-hoa 2026-09-30T14:07:59-06:00 weekly https://greylineperformance.com/blogs/news/picture-of-n7tbu-24-hoa-flagpole-antenna-in-the-wyoming-night-sky 2026-09-28T18:22:53-06:00 weekly https://greylineperformance.com/blogs/the-signal-report/k8axj-in-michigan-shows-off-his-24-flagpole-antenna-at-six-lakes 2026-09-28T18:06:28-06:00 weekly https://greylineperformance.com/blogs/news/mars-ham-in-floridas-waterfront-28-flagpole-antenna-by-the-sea-pic-xyl-approves 2026-09-30T14:08:48-06:00 weekly https://greylineperformance.com/blogs/news/radio-adventures-pics-of-vertical-antenna-arrays-at-zf2b-worldwide-ham-radio-fun 2026-09-28T18:22:54-06:00 weekly https://greylineperformance.com/blogs/news/video-of-zf2b-verticals-louder-than-the-tall-stack-of-yagi-antennas 2026-09-28T18:22:54-06:00 weekly https://greylineperformance.com/blogs/news/80m-flagpole-antenna-review-wd4mir-works-alaska-on-80m-picture 2026-09-28T18:13:30-06:00 weekly https://greylineperformance.com/blogs/news/beautiful-hilltop-24-hoa-flagpole-antenna-in-the-arizona-sunset-real-dx-on-day-1 2026-09-28T18:22:54-06:00 weekly https://greylineperformance.com/blogs/news/pasternak 2026-09-28T17:56:59-06:00 weekly https://greylineperformance.com/blogs/news/youtube-interview-by-w1ded-how-they-win-featuring-kl9a-n6mj-two-expert-ham-radio-ops 2026-09-28T18:22:54-06:00 weekly https://greylineperformance.com/blogs/news/teenage-amateur-radio-ops-featured-on-nbcs-today-show 2026-09-28T18:22:54-06:00 weekly https://greylineperformance.com/blogs/news/12-flagpole-antenna-in-hoa-remote-atu-and-solar-light-pictured 2026-09-28T18:06:28-06:00 weekly https://greylineperformance.com/blogs/news/af1ro-20-dx-flagpole-mfj-998-rt-1500w-remote-tuner-pics 2026-09-28T17:56:59-06:00 weekly https://greylineperformance.com/blogs/news/ham-radio-hoa-customer-install-video-pictures-fun 2026-09-28T18:22:54-06:00 weekly https://greylineperformance.com/blogs/the-signal-report/k8aqm-review-weekend-of-dx-wonders-the-powerful-20-hoa-flagpole-antenna-160-6m 2026-09-28T18:19:00-06:00 weekly https://greylineperformance.com/blogs/news/famous-ham-radio-prepper-marlon-brando-fo5gj-tropical-south-pacific 2026-09-28T18:22:54-06:00 weekly https://greylineperformance.com/blogs/the-signal-report/w4isa-reviews-the-greyline-20-vertical-dipole-outstanding-performance-quality 2026-09-28T18:19:00-06:00 weekly https://greylineperformance.com/blogs/the-signal-report/palm-trees-big-signals-dxpeditions-vs-your-hoa-friendly-greyline-flagpole 2026-10-07T11:29:03-06:00 weekly https://greylineperformance.com/blogs/news/fall-primer-how-to-prepare-for-low-band-antenna-season 2026-10-07T11:29:03-06:00 weekly https://greylineperformance.com/blogs/news/senators-reintroduce-legislation-to-protect-amateur-radio-operators-hoa-restrictions 2026-09-28T18:22:54-06:00 weekly https://greylineperformance.com/blogs/news/n6trcs-success-with-greyline-hoa-dx-flagpole-antenna-quality-support-and-real-world-performance 2026-09-28T18:22:54-06:00 weekly https://greylineperformance.com/blogs/news/earl-s-epic-waterfront-hf-vertical-in-florida-the-16-greyline-flagpole-antenna 2026-09-28T18:22:54-06:00 weekly https://greylineperformance.com/blogs/news/n0cpo-s-20-greyline-flagpole-antenna-100-countries-in-9-months 2026-09-28T18:22:54-06:00 weekly https://greylineperformance.com/blogs/news/the-view-from-vegas-greyline-flagpole-antenna-hits-the-jackpot-on-15-meters 2026-09-28T18:22:54-06:00 weekly https://greylineperformance.com/blogs/news/the-airwaves-are-electric-get-ready-for-cq-ww-dx-cw 2026-10-07T11:29:03-06:00 weekly https://greylineperformance.com/blogs/news/the-engineers-edge-why-ww9z-chooses-greyline-performance-for-real-dx-on-hf 2026-09-28T18:22:55-06:00 weekly https://greylineperformance.com/blogs/the-signal-report/greyline-antenna-review-no4on-s-flexradio-4o3a-genius-setup 2026-09-28T18:19:00-06:00 weekly https://greylineperformance.com/blogs/the-signal-report/the-2026-standards-why-greyline-performance-is-raising-the-bar-again 2026-09-28T18:19:00-06:00 weekly https://greylineperformance.com/blogs/news/physics-vs-plastic-why-greyline-is-the-2026-standard-for-the-modern-home 2026-09-28T17:16:11-06:00 weekly https://greylineperformance.com/blogs/the-signal-report/greyline-the-quiet-sentinel-for-ham-radio 2026-10-01T10:42:15-06:00 weekly https://greylineperformance.com/blogs/the-signal-report/greyline-diplomatic-pass-how-to-help-a-buddy-get-on-the-air 2026-09-28T18:19:00-06:00 weekly https://greylineperformance.com/blogs/news/the-sun-had-a-weekend-the-bands-are-waking-up 2026-09-28T18:22:55-06:00 weekly https://greylineperformance.com/blogs/the-signal-report/what-a-greyline-warranty-actually-looks-like-signal-report 2026-09-28T11:53:54-06:00 weekly https://cdn.shopify.com/s/files/1/0028/2571/5779/articles/greylinehoaflagpoleantennastealthhfverticalantenna_ab4ff236-dcaf-46b1-8234-80d376b9824e.png?v=1786587770 What a Greyline Warranty Actually Looks Like | Signal Report 28' Greyline DX Flagpole antenna - the stealth HOA vertical dipole that the Greyline warranty stands behind https://greylineperformance.com/blogs/the-signal-report/9-foot-dx-whip-three-field-reports 2026-09-28T18:19:00-06:00 weekly https://cdn.shopify.com/s/files/1/0028/2571/5779/articles/9footWhip_bf12c79f-55f8-49ba-a89f-162a1a2d55ff.png?v=1786587754 9-Foot DX Whip: Three Operators, Three Field Reports 9' DX Whip for Greyline antennas - telescoping 6061-T6 aluminum, 5/8-wave geometry, the nine feet that lowers the sweet spot on 40 and 80 https://greylineperformance.com/blogs/the-signal-report/real-hf-from-where-you-live 2026-09-28T18:19:00-06:00 weekly https://cdn.shopify.com/s/files/1/0028/2571/5779/articles/margie-kk7mgk-flag-street.jpg?v=1786587768 Townhouse & Condo HF Antennas | Greyline Performance Street view of a Greyline DX Flagpole antenna in a Sun City neighborhood - what the neighbors see from the sidewalk is a flagpole https://greylineperformance.com/blogs/the-signal-report/ka4ahu-runs-legal-limit-on-stealth-24-foot-greyline-flagpole 2026-09-28T18:19:01-06:00 weekly https://greylineperformance.com/blogs/the-signal-report/kn4bdc-rf-engineer-reviews-24-foot-greyline-flagpole-antenna 2026-09-28T18:19:01-06:00 weekly https://greylineperformance.com/blogs/the-signal-report/n9bgg-back-on-the-air-at-85-with-greyline-flagpole-antenna 2026-09-28T18:19:01-06:00 weekly https://greylineperformance.com/blogs/the-signal-report/indoor-vs-remote-antenna-tuner 2026-09-28T11:16:12-06:00 weekly https://cdn.shopify.com/s/files/1/0028/2571/5779/articles/greylinehoaflagpoleantennastealthhfverticalantenna_61dbfe29-523d-4016-8c05-7a5a2abf0636.png?v=1786587755 Indoor vs Remote Antenna Tuner: Where the ATU Belongs 28' Greyline DX Flagpole antenna with remote ATU at the feedpoint - the tuner where it belongs, at the base of the antenna instead of in the shack https://greylineperformance.com/blogs/the-signal-report/no-radials-means-two-things 2026-09-28T18:19:01-06:00 weekly https://cdn.shopify.com/s/files/1/0028/2571/5779/articles/aj6ii-feedpoint.jpg?v=1786587756 No Radials Vertical Antenna: Two Kinds, Only One Works Feedpoint of an AJ6II Greyline vertical dipole antenna - the connection point with no radials in the ground, because both halves of the dipole are in the air https://greylineperformance.com/blogs/the-signal-report/field-day-antennas-bring-the-signal-home 2026-09-28T18:19:01-06:00 weekly https://cdn.shopify.com/s/files/1/0028/2571/5779/articles/9footWhip_4dcc9456-5ede-402f-b624-f507356e46fc.png?v=1786587769 Field Day Antennas: Bring the Signal Home | Greyline Portable field vertical antenna - telescoping 6061-T6 aluminum whip for Field Day, POTA, and portable HF operating away from the shack https://greylineperformance.com/blogs/the-signal-report/what-your-antenna-actually-grabs 2026-09-28T18:19:01-06:00 weekly https://cdn.shopify.com/s/files/1/0028/2571/5779/articles/k2djn-greyline-vertical-maine-saltwater.jpg?v=1786587757 Antenna Aperture: What Your Antenna Actually Grabs | Greyline Full-height Greyline vertical antenna on a Maine granite ledge at K2DJN - the aluminum aperture that actually captures the incoming wave https://greylineperformance.com/blogs/the-signal-report/hoa-flagpole-field-report-aj6ii 2026-09-28T18:19:01-06:00 weekly https://cdn.shopify.com/s/files/1/0028/2571/5779/articles/aj6ii-flag.jpg?v=1786587565 Stealth HOA Flagpole Antenna: Field Report | Greyline AJ6II's Greyline flagpole antenna flying the flag on a suburban lot - the stealth HOA install neighbors read as a flagpole https://greylineperformance.com/blogs/the-signal-report/a-toast-to-the-founder 2026-09-28T18:19:01-06:00 weekly https://cdn.shopify.com/s/files/1/0028/2571/5779/articles/IMG_4568.jpg?v=1783555213 A Toast to the Founder: Danny, K7SS Danny Eskenazi K7SS, original founder of the World Radiosport Team Championship https://greylineperformance.com/blogs/the-signal-report/sixth-in-the-world-first-in-the-pool 2026-09-28T18:19:01-06:00 weekly https://cdn.shopify.com/s/files/1/0028/2571/5779/articles/IMG_4655.jpg?v=1784236524 Sixth in the World, First in the Pool KP4AA contest station antenna farm against the Puerto Rico sky - stacked yagi towers seen from the pool during the IARU HF Championship 2026 https://greylineperformance.com/blogs/the-signal-report/ten-feet-from-salt-water 2026-09-28T11:44:51-06:00 weekly https://cdn.shopify.com/s/files/1/0028/2571/5779/articles/k2djn-maine-OG-full-antenna-1200x630_59f35236-b9aa-427c-9a7c-a1f583b90846.jpg?v=1784401334 Ten Feet from Salt Water: K2DJN's Maine Granite DX Post Full-height Greyline vertical antenna at the Maine shoreline - K2DJN saltwater DX site, complete structure tip to base https://greylineperformance.com/blogs/the-signal-report/w7tlg-black-beauty-apple-engineer-24-flagpole 2026-09-28T18:19:01-06:00 weekly https://cdn.shopify.com/s/files/1/0028/2571/5779/articles/w7tlg-black-beauty-24-dxf-v2_d1e9fc2f-4fd7-4595-954e-00ce5c4eb45b.jpg?v=1786389043 W7TLG: Black Beauty on the Bench - An Engineer's Build W7TLG's Black Beauty - black powdercoat 24-foot Greyline DX Flagpole antenna with 9-foot whip https://greylineperformance.com/blogs/the-signal-report/ground-is-two-jobs-wearing-one-name 2026-09-28T18:19:01-06:00 weekly https://cdn.shopify.com/s/files/1/0028/2571/5779/articles/w7tlg-homebrew-choke-build.jpg?v=1786587559 Ground Is Two Jobs Wearing One Name Homebrew common-mode choke - coax wound through stacked ferrite toroids in a weatherproof enclosure, the RF half of what ground actually means https://greylineperformance.com/blogs/the-signal-report/margie-kk7mgk-yl-sun-city-dx-flagpole 2026-09-28T18:19:02-06:00 weekly https://cdn.shopify.com/s/files/1/0028/2571/5779/articles/margie-kk7mgk-dx-flagpole-home_1c448c13-df6a-4258-affc-93d870638eae.jpg?v=1786315209 Margie KK7MGK: The Sun City YL Out-DXing Her Own Son Margie KK7MGK's Greyline DX Flagpole flying the American flag in Sun City, Arizona https://greylineperformance.com/blogs/the-signal-report/why-your-antenna-hates-80-meters-radiation-resistance 2026-09-28T18:19:02-06:00 weekly https://cdn.shopify.com/s/files/1/0028/2571/5779/articles/N3EQF-Greyline_Flagpole_Up.jpg?v=1786587553 Why Your Antenna Hates 80 Meters A Greyline DX Flagpole antenna standing in an operator's yard at N3EQF in Florida - a full-length vertical for the low bands, no radials in the ground https://greylineperformance.com/blogs/the-signal-report/the-other-half-of-your-antenna-has-to-go-somewhere 2026-09-28T18:19:02-06:00 weekly https://cdn.shopify.com/s/files/1/0028/2571/5779/articles/flagpole_antenna_ocf_hf_vertical_sunrise_ai6ak_2230f8f9-4603-4322-a544-b81571d8f5e7.jpg?v=1786729261 The Other Half of Your Antenna Has to Go Somewhere Greyline DX Flagpole antenna at sunrise - an HOA-compliant HF vertical dipole with both halves of the antenna in the air and no radials in the yard https://greylineperformance.com/blogs/the-signal-report/kc4os-hurricane-milton-flagpole 2026-10-01T16:32:12-06:00 weekly https://cdn.shopify.com/s/files/1/0028/2571/5779/articles/KC4OS-Flagpole.jpg?v=1787173929 Twelve Feet vs. Hurricane Milton: KC4OS Still Standing At 120 MPH The 12-foot Greyline DX Flagpole of KC4OS in Naples, Florida -- still standing after Hurricane Milton's 120 mph winds https://greylineperformance.com/blogs/the-signal-report/kq4dep-one-man-flagpole-tilt-install 2026-10-01T16:32:12-06:00 weekly https://cdn.shopify.com/s/files/1/0028/2571/5779/articles/KQ4DEP_DX_Flagpole_Antenna.jpg?v=1787173971 The One-Man Flagpole: KQ4DEP Turned Storm Prep Into A Solo Job KQ4DEP's 24-foot Greyline DX Flagpole antenna standing in Southwest Florida after his one-man tilt-base install https://greylineperformance.com/blogs/the-signal-report/why-your-greyline-ships-in-two-boxes 2026-10-01T16:32:12-06:00 weekly https://cdn.shopify.com/s/files/1/0028/2571/5779/articles/N3EQF-Greyline_Flagpole_Up_f0064f60-a057-43a0-8aff-afeae044d07a.jpg?v=1788559008 Why Your Greyline Ships In Two Boxes A Greyline 24-foot flagpole antenna standing in a Florida HOA neighborhood after assembly from its two shipments https://greylineperformance.com/blogs/the-signal-report/grounding-bonding-lightning-rf-week-lesson 2026-09-28T18:19:02-06:00 weekly https://cdn.shopify.com/s/files/1/0028/2571/5779/articles/WB8UIN-28-Greyline-Flagpole-Antenna-HOA.jpg?v=1787168443 Three Grounds Walk Into A Shack: Lightning, RF, And The Bond Between Them A 28-foot Greyline DX Flagpole antenna installed at an Ohio home station -- the antenna every grounding and bonding plan protects https://greylineperformance.com/blogs/the-signal-report/swr-match-is-not-a-result-efficiency 2026-09-28T18:15:44-06:00 weekly https://cdn.shopify.com/s/files/1/0028/2571/5779/articles/n3eqf-swr-1to1-vs-4to1_f18577b2-b881-45dc-a91c-47b042d1188a.png?v=1788559243 A Match Is Not A Result: What 1:1 SWR Does And Does Not Tell You SWR sweep comparing a 1:1 and a 4:1 balun on a Greyline HF vertical antenna -- a lower curve is not a stronger signal https://greylineperformance.com/blogs/the-signal-report/can-i-use-a-4-1-balun-vertical-dipole 2026-09-28T18:19:02-06:00 weekly https://cdn.shopify.com/s/files/1/0028/2571/5779/articles/n3eqf-swr-1to1-vs-4to1_250e31ae-0985-4fad-b1c9-00d8ca3c59bd.png?v=1787349105 Can I Use A 4:1 Balun On A Vertical Dipole? SWR comparison of 1:1 versus 4:1 current balun on a Greyline DXF-24 vertical dipole, measured by N3EQF with a RigExpert analyzer https://greylineperformance.com/blogs/the-signal-report/current-balun-vs-voltage-balun 2026-09-28T18:19:02-06:00 weekly https://cdn.shopify.com/s/files/1/0028/2571/5779/articles/greyline_performance_rf_choke_ladder_line_coax_feed_kit_hf_vertical_flagpole_antenna_ca6a556f-d477-46f0-9dc7-8dc33d4d6e39.jpg?v=1787351191 Current Balun Vs Voltage Balun: Why The Feedpoint Gets A Choke Greyline RF current choke installed in the feed system of an HF vertical flagpole antenna with ladder line and coax https://greylineperformance.com/blogs/the-signal-report/what-is-the-greyline-the-twilight-band-that-carries-dx 2026-09-28T18:19:03-06:00 weekly https://cdn.shopify.com/s/files/1/0028/2571/5779/articles/Screenshot_2026-08-22_at_19.05.05.png?v=1787450798 What Is the Greyline? The Twilight Band That Carries DX NOAA aurora forecast globe showing the greyline terminator crossing North America, as displayed live in the Greyline Clubhouse https://greylineperformance.com/blogs/the-signal-report/ldg-rt-100-remote-tuner-why-we-bundle-it 2026-09-28T18:19:03-06:00 weekly https://cdn.shopify.com/s/files/1/0028/2571/5779/articles/greylineperformancebaseinstallremotetunerhoastealthhfantenna_e667cb63-fb7a-4ffc-acf7-83564f74c5c7.jpg?v=1787451523 LDG RT-100 Remote Tuner: Why We Bundle It LDG RT-100 remote antenna tuner installed at the base of a Greyline stealth HOA flagpole antenna https://greylineperformance.com/blogs/the-signal-report/20-meter-vertical-antenna-which-height-works-best 2026-10-01T10:52:17-06:00 weekly https://cdn.shopify.com/s/files/1/0028/2571/5779/articles/flagpole_antenna_ocf_hf_vertical_sunrise_ai6ak_aae98a7b-8ab2-415c-9063-d52931f65edf.jpg?v=1787453819 20 Meter Vertical Antenna: Which Height Works Best? Greyline DX Flagpole vertical antenna at sunrise with flag flying, working 20 meter DX from a backyard https://greylineperformance.com/blogs/the-signal-report/under-the-aurora-tf1cb-iceland 2026-10-01T16:34:15-06:00 weekly https://cdn.shopify.com/s/files/1/0028/2571/5779/articles/TF1CB_Flagpole_water_shot.jpg?v=1787509451 Under The Aurora: Working The World From An Icelandic Shore Greyline 28 ft HF vertical antenna standing on the Icelandic shore at TF1CB, North Atlantic water behind it https://greylineperformance.com/blogs/the-signal-report/where-the-choke-goes 2026-09-28T18:19:03-06:00 weekly https://cdn.shopify.com/s/files/1/0028/2571/5779/articles/greyline_performance_feed_kit_remote_tuner_rf_choking_hf_antenna_1da9e964-7acb-484e-b31b-233b6143fffb.jpg?v=1788558767 Where The Choke Goes: The Matched Side, Every Time Greyline feed kit at the base of an HF vertical antenna with the remote tuner and RF choke -- where the choke goes https://greylineperformance.com/blogs/the-signal-report/k1ldo-walked-it-up-alone 2026-10-01T16:26:00-06:00 weekly https://cdn.shopify.com/s/files/1/0028/2571/5779/articles/K1LDO-Chris-flagpole_whip_shot_new_42e0e574-52cb-4955-aa4c-c1be653858a2.jpg?v=1787596048 He Walked It Up Alone, Then Worked Franz Josef Land K1LDO's Greyline Skyline 33: a 24 ft DX Vertical topped with the 9 ft DX Whip, standing 33 feet against open North Carolina sky, raised by one person https://greylineperformance.com/blogs/the-signal-report/w7mne-kept-his-flag-light 2026-10-01T16:34:15-06:00 weekly https://cdn.shopify.com/s/files/1/0028/2571/5779/articles/W7MNE_Flagpole_plus_Whip_Skyline_Flagpole_2c6e3de4-b695-42a6-8f15-4a605e5045cf.jpg?v=1787613917 He Would Not Give Up His Flag Light W7MNE's Skyline 33 fully dressed: 24 ft Greyline flagpole antenna flying the American flag with the 9 ft DX Whip mounted above a working flag light https://greylineperformance.com/blogs/the-signal-report/the-fall-checkup-five-minutes-that-save-your-winter 2026-09-28T18:19:03-06:00 weekly https://cdn.shopify.com/s/files/1/0028/2571/5779/articles/K1LDO_Greyline_Skyline_Vertical_Base.jpg?v=1789139007 The Fall Checkup: Five Minutes That Save Your Winter Base of a Greyline HF vertical antenna: tilt adapter, ground sleeve set in concrete, and the feedpoint -- the parts a fall checkup inspects first https://greylineperformance.com/blogs/the-signal-report/why-your-tuner-cannot-fix-a-jumping-swr 2026-09-28T18:19:03-06:00 weekly https://cdn.shopify.com/s/files/1/0028/2571/5779/articles/greyline_performance_feed_point_feed_kit_hf_vertical_antenna_92c767ea-10fa-476f-a205-eebabac1f667.png?v=1788558838 Why Your Tuner Cannot Fix a Jumping SWR Greyline feedpoint detail on an HF vertical antenna -- where the current choke belongs when SWR wanders https://greylineperformance.com/blogs/the-signal-report/every-greyline-has-a-tilt-now-tilt-up-base-and-xl 2026-09-28T18:19:03-06:00 weekly https://cdn.shopify.com/s/files/1/0028/2571/5779/articles/XL-Tilt-vs-Tilt-Mount.jpg?v=1788558444 Every Greyline Has a Tilt Now: The 2" Tilt-Up Base and the 2.25" XL XL Tilt-Up Base for 2.25 inch legacy antennas beside the standard 2 inch Tilt-Up Base -- same tilt-over mechanism, sized larger https://greylineperformance.com/blogs/the-signal-report/the-stainless-swap-clean-grease-snug-and-the-one-never 2026-09-28T18:19:03-06:00 weekly https://cdn.shopify.com/s/files/1/0028/2571/5779/articles/XL_Tilt-Up_Base_5fa1eb92-52bb-4381-af5d-20ac61f72690.jpg?v=1788558471 The Stainless Swap: Clean, Grease, Snug, and the One Never Greyline XL Tilt-Up Base with its stainless pivot hardware -- the base joint the stainless swap protects (placeholder until the screws-and-Allen shot is taken) https://greylineperformance.com/blogs/the-signal-report/how-greyline-works-clubhouse-bookshelf-tools 2026-09-28T18:19:03-06:00 weekly https://cdn.shopify.com/s/files/1/0028/2571/5779/articles/greyline-clubhouse-screenshot.jpg?v=1789138865 How Greyline Works: The Clubhouse, The Bookshelf, The Tools, and You The Greyline Clubhouse DX console showing the live DX cluster spots, solar and geomagnetic data, auroral ovals, and the gold roster of Greyline owner callsigns https://greylineperformance.com/blogs/the-signal-report/nine-feet-you-have-not-used-yet-dx-whip 2026-10-01T10:52:17-06:00 weekly https://cdn.shopify.com/s/files/1/0028/2571/5779/articles/K1LDO-Chris-flagpole_whip_shot_new_69c50b5c-fa04-47ce-a6d4-cae1484b9f13.jpg?v=1789178670 Nine Feet You Have Not Used Yet: What the Whip Actually Buys A Greyline Skyline 33: a 24 foot DX Vertical topped with the 9 foot DX Whip, standing full height against open North Carolina sky https://greylineperformance.com/blogs/the-signal-report/half-my-pileup-kl9a-the-butte 2026-09-28T18:19:04-06:00 weekly https://cdn.shopify.com/s/files/1/0028/2571/5779/articles/59CDDC65-E498-4C27-9C98-CF9E48B27622.jpg?v=1789413999 Half My Pileup Gone: A Thousand Pounds of Aluminum for the Butte A thousand pounds of Yagi elements and booms on a truck rack, headed across Montana to KL9A's radio ranch https://greylineperformance.com/blogs/the-signal-report/w3gf-florida-hoa-20-foot-flagpole-whip 2026-10-01T16:26:00-06:00 weekly https://cdn.shopify.com/s/files/1/0028/2571/5779/articles/W3GF-tilt-up_SKYLINE-greyline-hf-vertical-antenna.jpg?v=1789689529 Two Weeks of Voicemails, Then This: W3GF's 20-Footer and the Whip in a Florida HOA W3GF's 20-foot Greyline flagpole with the 9-foot DX whip on top, against a Florida sky https://greylineperformance.com/blogs/the-signal-report/n3eqf-eighty-meters-after-21-years 2026-10-01T17:13:21-06:00 weekly https://cdn.shopify.com/s/files/1/0028/2571/5779/articles/N3EQF-Greyline_Flagpole_Up_f739abcf-8aa9-4ac6-9153-2c6765a1c852.jpg?v=1790811235 Eighty Meters After Twenty-One Years N3EQF's Greyline DX Flagpole antenna standing in his yard https://greylineperformance.com/blogs/the-signal-report/kb6frd-every-station-he-can-hear-nevada-24-foot-flagpole 2026-10-07T15:17:12-06:00 weekly https://cdn.shopify.com/s/files/1/0028/2571/5779/articles/KB6FRD-DXF24-full-elevation-image.jpg?v=1791145098 Every Station He Can Hear: Bernie KB6FRD's 24-Footer Under a Nevada Sky KB6FRD's 24-foot Greyline DX Flagpole antenna standing at full height against a clear blue Nevada sky, American flag flying, Spanish Springs, Nevada https://greylineperformance.com/blogs/the-signal-report/w3gf-187-countries-35-watts-20-foot-vertical 2026-10-05T21:27:46-06:00 weekly https://cdn.shopify.com/s/files/1/0028/2571/5779/articles/W3GF-tilt-up_SKYLINE-greyline-hf-vertical-antenna_3b5cdba3-49b2-4cc4-bc79-91a04eb25c91.jpg?v=1791257266 187 Countries on 35 Watts: Craig W3GF, Seven Years on a 20-Foot Vertical W3GF's 20-foot Greyline vertical with the 9-foot DX whip on top, Florida — 187 countries on 35 watts