{"product_id":"skyline-29-vertical-antenna","title":"Skyline 29 | 29' Vertical Antenna (20' + 9' DX Whip)","description":"\u003cdiv style=\"max-width:860px; margin:0 auto; padding:8px 4px 24px; font-family:Georgia,'Times New Roman',serif; color:#555555; line-height:1.7; font-size:18px;\"\u003e\n\n  \u003c!-- SIGNAL LAB EYEBROW --\u003e\n  \u003cdiv style=\"text-align:center; margin:0 0 22px;\"\u003e\n    \u003cspan style=\"display:inline-block; font-family:'Courier New',Courier,monospace; font-size:11px; font-weight:bold; letter-spacing:2px; color:#b8960c; border:1px solid #b8960c; padding:6px 15px; text-transform:uppercase;\"\u003eThe Signal Lab\u003c\/span\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- IN-BODY MASTHEAD LOGO --\u003e\n  \u003cdiv style=\"text-align:center; margin:0 0 30px;\"\u003e\n    \u003ca href=\"https:\/\/greylineperformance.com\/\" style=\"text-decoration:none;\"\u003e\n      \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0028\/2571\/5779\/files\/tan_full_word_480x480.png?v=1560968453\" alt=\"Greyline Performance Antennas\" width=\"220\" style=\"max-width:220px; height:auto; border:0;\"\u003e\n    \u003c\/a\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- H1 --\u003e\n  \u003ch1 style=\"font-size:34px; line-height:1.25; color:#1a1a1a; font-weight:700; margin:0 0 24px; text-align:center; font-family:Georgia,'Times New Roman',serif;\"\u003eThe Skyline 29: Low-Band Reach, Clean All The Way Up\u003c\/h1\u003e\n\n  \u003cp style=\"margin:0 0 20px;\"\u003eThis is the balanced build. Take the 20-foot DX Vertical, add the 9-foot DX Whip, and you stand 29 feet of aperture — enough height to genuinely wake up 40 meters, short enough that the pattern stays clean and single-lobed further up the dial than any taller combo we make. Low-band reach without giving up the high bands.\u003c\/p\u003e\n\n  \u003cp style=\"margin:0 0 28px;\"\u003eHere is the honest version of what that height buys you, band by band, with no marketing fog.\u003c\/p\u003e\n\n  \u003cdiv style=\"background:#1a1a1a; border-left:4px solid #b8960c; padding:26px 28px; margin:0 0 32px;\"\u003e\n    \u003cp style=\"font-family:'Courier New',Courier,monospace; font-size:11px; font-weight:bold; letter-spacing:1px; color:#b8960c; text-transform:uppercase; margin:0 0 12px;\"\u003eWhat 29 Feet Is For\u003c\/p\u003e\n    \u003cp style=\"color:#ffffff; font-style:italic; font-size:22px; line-height:1.5; margin:0;\"\u003eEnough height to wake up 40 meters. Short enough to stay clean nearly everywhere else. The band-hopper’s combo.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003ch2 style=\"font-size:27px; color:#1a1a1a; font-weight:700; margin:40px 0 16px; font-family:Georgia,'Times New Roman',serif;\"\u003eWhy Add The Whip At All\u003c\/h2\u003e\n\n  \u003cp style=\"margin:0 0 20px;\"\u003eA bare 20-foot vertical is a proven performer — compact, stealthy, honest. So why bolt nine more feet on top? Because adding height does something specific and worth understanding: it shifts the antenna’s sweet spot onto a lower band than the bare antenna reaches. The whip does not give you a higher band, it gives you a lower one — and for the 20-foot base, that means 40 meters stops being a stretch and starts being a working band.\u003c\/p\u003e\n\n  \u003cp style=\"margin:0 0 28px;\"\u003eThat is the move. The 20-foot vertical alone does its best work on the mid and high bands. Add the whip and the geometry slides down, putting real current maximum and a lower radiation angle onto 40 and 30 meters — while the modest total height keeps the upper bands well-behaved.\u003c\/p\u003e\n\n  \u003ch2 style=\"font-size:27px; color:#1a1a1a; font-weight:700; margin:40px 0 16px; font-family:Georgia,'Times New Roman',serif;\"\u003eThe Gain, Band By Band, Honestly\u003c\/h2\u003e\n\n  \u003cp style=\"margin:0 0 20px;\"\u003eWe model our antennas rather than guess at them, and we will tell you plainly where the combo shines and where the physics gets complicated. The numbers come from modeling on the published work of Bob Zavrel W7SX. No rounding up, no hiding the messy bands.\u003c\/p\u003e\n\n  \u003cp style=\"margin:0 0 20px;\"\u003e\u003cstrong\u003eWhere it shines, 40 through 17 meters.\u003c\/strong\u003e On 40 meters the Skyline 29 models real gain over the bare 20-foot vertical — this is the band the added height exists for. On 30 and 20 it stays strong and clean. And here is the 29-footer’s quiet advantage: on 17 meters it is still behaving like a simple, single-lobe radiator, a band where its taller siblings have already gone multi-lobe. Fewer feet, better manners.\u003c\/p\u003e\n\n  \u003cp style=\"margin:0 0 28px;\"\u003e\u003cstrong\u003eWhere it gets interesting, 15 through 10 meters.\u003c\/strong\u003e Fifteen meters sits near the antenna’s five-eighths-wave point — still useful, but transitional. On 12 and 10, a radiator this tall on a short wavelength develops a multi-lobe pattern, some lobes at useful angles and some not. That is physics, not a defect — and note it arrives two bands later here than it does on the 37-foot build. The trade is honest: less raw low-band aperture than the taller combos, a cleaner pattern higher up the dial.\u003c\/p\u003e\n\n  \u003cdiv style=\"background:#1a1a1a; border-left:4px solid #b8960c; padding:26px 28px; margin:0 0 32px;\"\u003e\n    \u003cp style=\"font-family:'Courier New',Courier,monospace; font-size:11px; font-weight:bold; letter-spacing:1px; color:#b8960c; text-transform:uppercase; margin:0 0 12px;\"\u003eThe Bob Test\u003c\/p\u003e\n    \u003cp style=\"color:#ffffff; font-style:italic; font-size:20px; line-height:1.55; margin:0 0 12px;\"\u003eWe model the gain, we name the bands where the pattern gets complicated, and we say so out loud. That is the difference between a spec sheet and a sales pitch.\u003c\/p\u003e\n    \u003cp style=\"margin:0;\"\u003e\u003ca href=\"https:\/\/greylineperformance.com\/pages\/antenna-aperture-and-gain\" style=\"color:#b8960c; font-weight:bold; text-decoration:none;\"\u003eRead The Aperture Page →\u003c\/a\u003e\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003ch2 style=\"font-size:27px; color:#1a1a1a; font-weight:700; margin:40px 0 16px; font-family:Georgia,'Times New Roman',serif;\"\u003eWho This Is For\u003c\/h2\u003e\n\n  \u003cp style=\"margin:0 0 20px;\"\u003eReach for the Skyline 29 if you hop bands all week — 40 for the evening nets, 20 and 17 for the daylight DX — and you want one antenna that behaves everywhere. It is also the natural pick for the smaller lot: the least conspicuous Skyline in the ladder, with the most even temperament.\u003c\/p\u003e\n\n  \u003cp style=\"margin:0 0 28px;\"\u003eThe open vertical configuration is the taller, cleaner build, no flag hardware in the way of the physics. If you are in an HOA and need the antenna to read as a flagpole, the combo comes in a Flag Kit configuration too — same height, same physics, with the flag hardware that keeps the peace with the neighbors.\u003c\/p\u003e\n\n  \u003c!-- THE BUILD \/ SPEC BLOCK --\u003e\n  \u003cdiv style=\"background:#ffffff; border-top:3px solid #b8960c; border-left:1px solid #DDD8CC; border-right:1px solid #DDD8CC; border-bottom:1px solid #DDD8CC; padding:24px 28px; margin:0 0 32px;\"\u003e\n    \u003cp style=\"font-family:'Courier New',Courier,monospace; font-size:11px; font-weight:bold; letter-spacing:1px; color:#b8960c; text-transform:uppercase; margin:0 0 14px;\"\u003eThe Build \/\/ 29 Feet, Two Pieces\u003c\/p\u003e\n    \u003cp style=\"margin:0 0 10px; color:#555;\"\u003e\u003cstrong\u003eBase:\u003c\/strong\u003e 20-foot DX Vertical, 160-6M, no radials, the compact workhorse of the Greyline line.\u003c\/p\u003e\n    \u003cp style=\"margin:0 0 10px; color:#555;\"\u003e\u003cstrong\u003eTop:\u003c\/strong\u003e 9-foot DX Whip, five-eighths wave geometry, installs in about two minutes, no tools, field-upgradeable any time.\u003c\/p\u003e\n    \u003cp style=\"margin:0 0 10px; color:#555;\"\u003e\u003cstrong\u003eTotal height:\u003c\/strong\u003e 29 feet of effective aperture, the balanced number.\u003c\/p\u003e\n    \u003cp style=\"margin:0 0 10px; color:#555;\"\u003e\u003cstrong\u003eBest bands:\u003c\/strong\u003e 40M, 30M, 20M, 17M (modeled positive gain, clean pattern). 15M transitional; honest multi-lobe behavior on 12M and 10M.\u003c\/p\u003e\n    \u003cp style=\"margin:0 0 10px; color:#555;\"\u003e\u003cstrong\u003eFT8 \/ digital:\u003c\/strong\u003e Full duty cycle at rated power — a solid radiator with no traps or loading coils to heat.\u003c\/p\u003e\n    \u003cp style=\"margin:0 0 14px; color:#555;\"\u003e\u003cstrong\u003eConfigurations:\u003c\/strong\u003e Open DX Vertical (taller, no flag) or Flag Kit (HOA-friendly, flies a flag).\u003c\/p\u003e\n    \u003cp style=\"margin:0;\"\u003e\u003ca href=\"https:\/\/greylineperformance.com\/products\/9-foot-whip-for-greyline-antennas\" style=\"color:#b8960c; font-weight:bold; text-decoration:none;\"\u003eSee The 9' DX Whip On Its Own →\u003c\/a\u003e\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003ch2 style=\"font-size:27px; color:#1a1a1a; font-weight:700; margin:40px 0 16px; font-family:Georgia,'Times New Roman',serif;\"\u003eAdd The Height, Work The Bands\u003c\/h2\u003e\n\n  \u003cp style=\"margin:0 0 20px;\"\u003eThe balanced build does not chase one band, it shows up on all of them. Twenty-nine feet of aperture, modeled honestly, waking up 40 meters while staying mannerly through 17 — one antenna for the operator who refuses to pick a favorite.\u003c\/p\u003e\n\n  \u003cp style=\"margin:0 0 30px;\"\u003eBob teaches the physics. Greyline ships the height. Now go work the bands.\u003c\/p\u003e\n\n  \u003c!-- PRODUCT ANCHOR \/ CTA --\u003e\n  \u003cdiv style=\"background:#ffffff; border-top:3px solid #b8960c; border-left:1px solid #DDD8CC; border-right:1px solid #DDD8CC; border-bottom:1px solid #DDD8CC; padding:24px 28px; margin:0 0 32px;\"\u003e\n    \u003cp style=\"font-family:'Courier New',Courier,monospace; font-size:11px; font-weight:bold; letter-spacing:1px; color:#b8960c; text-transform:uppercase; margin:0 0 14px;\"\u003eBuild Your Skyline 29\u003c\/p\u003e\n    \u003cp style=\"margin:0 0 10px; color:#555;\"\u003e\u003cstrong\u003eOpen DX Vertical\u003c\/strong\u003e (taller, no flag) — 20' DXV plus 9' DX Whip — \u003cstrong\u003e$1,225\u003c\/strong\u003e\u003c\/p\u003e\n    \u003cp style=\"margin:0 0 14px; color:#555;\"\u003e\u003cstrong\u003eFlag Kit (HOA-friendly)\u003c\/strong\u003e — 20' DX Flagpole plus 9' DX Whip — \u003cstrong\u003e$1,275\u003c\/strong\u003e\u003c\/p\u003e\n    \u003cp style=\"margin:0;\"\u003e\u003ca href=\"https:\/\/greylineperformance.com\/products\/20-foot-vertical-dipole-antenna\" style=\"color:#b8960c; font-weight:bold; text-decoration:none;\"\u003eChoose Your Configuration →\u003c\/a\u003e\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- THE COMBO LADDER \/ CROSS-LINK --\u003e\n  \u003cdiv style=\"background:#ffffff; border-top:3px solid #b8960c; border-left:1px solid #DDD8CC; border-right:1px solid #DDD8CC; border-bottom:1px solid #DDD8CC; padding:24px 28px; margin:0 0 30px;\"\u003e\n    \u003cp style=\"font-family:'Courier New',Courier,monospace; font-size:11px; font-weight:bold; letter-spacing:1px; color:#b8960c; text-transform:uppercase; margin:0 0 14px;\"\u003eThe Skyline Ladder + Keep Reading\u003c\/p\u003e\n    \u003cp style=\"margin:0 0 10px;\"\u003e\u003ca href=\"https:\/\/greylineperformance.com\/products\/skyline-37-vertical-antenna\" style=\"color:#b8960c; font-weight:bold; text-decoration:none;\"\u003eThe Skyline 37\u003c\/a\u003e — the tallest build, for the operator who lives on 40 and 30.\u003c\/p\u003e\n    \u003cp style=\"margin:0 0 10px;\"\u003e\u003ca href=\"https:\/\/greylineperformance.com\/products\/skyline-33-vertical-antenna\" style=\"color:#b8960c; font-weight:bold; text-decoration:none;\"\u003eThe Skyline 33\u003c\/a\u003e — the classic 40-meter quarter-wave height.\u003c\/p\u003e\n    \u003cp style=\"margin:0 0 10px;\"\u003e\u003ca href=\"https:\/\/greylineperformance.com\/pages\/antenna-aperture-and-gain\" style=\"color:#b8960c; font-weight:bold; text-decoration:none;\"\u003eThe Aperture Page\u003c\/a\u003e — why height is the highest-leverage upgrade, from Bob Zavrel’s published work.\u003c\/p\u003e\n    \u003cp style=\"margin:0;\"\u003e\u003ca href=\"https:\/\/greylineperformance.com\/pages\/antenna-selection-guide\" style=\"color:#b8960c; font-weight:bold; text-decoration:none;\"\u003eThe Antenna Selection Guide\u003c\/a\u003e — tell it your bands, it finds your height.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- CANONICAL FOOTER --\u003e\n  \u003cdiv style=\"border-top:3px solid #b8960c; padding-top:24px; margin-top:34px; text-align:center;\"\u003e\n    \u003cp style=\"font-family:'Courier New',Courier,monospace; font-size:14px; color:#5C5C5C; margin:0 0 8px;\"\u003e73 — Greyline Performance — \u003ca href=\"tel:4352004902\" style=\"color:#b8960c; font-weight:bold; text-decoration:none;\"\u003e435-200-4902\u003c\/a\u003e\u003c\/p\u003e\n    \u003cp style=\"font-size:16px; font-weight:bold; color:#1a1a1a; margin:0 0 18px;\"\u003eHam Radio is fun again! Pass it on…\u003c\/p\u003e\n    \u003ca href=\"https:\/\/greylineperformance.com\/\" style=\"text-decoration:none;\"\u003e\n      \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0028\/2571\/5779\/files\/brown_simple_240x240.png?v=1561676193\" alt=\"Greyline Performance Antennas\" width=\"80\" style=\"max-width:80px; height:auto; border:0;\"\u003e\n    \u003c\/a\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Greyline Performance","offers":[{"title":"Open DX Vertical","offer_id":50011301085461,"sku":"SKY-29-DXV","price":1225.0,"currency_code":"USD","in_stock":true},{"title":"Flag Kit (HOA)","offer_id":50011301118229,"sku":"SKY-29-DXF","price":1275.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0028\/2571\/5779\/files\/K7NV-vertical.jpg?v=1674670734","url":"https:\/\/greylineperformance.com\/es\/products\/skyline-29-vertical-antenna","provider":"Greyline Performance Antennas","version":"1.0","type":"link"}