{"product_id":"skyline-33-vertical-antenna","title":"Skyline 33 | 33' Vertical Antenna (24' + 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  \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  \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  \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 33: The 40-Meter Height, Built In Two Pieces\u003c\/h1\u003e\n\n  \u003cp style=\"margin:0 0 20px;\"\u003eThirty-three feet is not an arbitrary number. It is the textbook quarter-wave on 40 meters, the height operators have been building toward for a century of low-band work. Take the 24-foot DX Vertical, add the 9-foot DX Whip, and you stand exactly there — the classic 40-meter geometry, no tower, no radials, no guy wires.\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 33 Feet Is For\u003c\/p\u003e\n    \u003cp style=\"color:#ffffff; font-style:italic; font-size:22px; line-height:1.5; margin:0;\"\u003eForty meters has a favorite height, and this is it. The classic quarter-wave, delivered in two pieces.\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 24-foot vertical is already the most popular height in the Greyline line, and for good reason — it is the all-rounder. 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 40 meters is exactly the band most operators are starved for.\u003c\/p\u003e\n\n  \u003cp style=\"margin:0 0 28px;\"\u003eThat is the move. The 24-foot vertical alone lands its best work up the stack. Add the whip and the whole geometry slides down, putting real current maximum and a lower radiation angle onto 40 and 30 meters — and on 40, it lands on the quarter-wave number the textbooks were written around.\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 20 meters.\u003c\/strong\u003e On 40 meters the Skyline 33 stands at the classic quarter-wave height — this is the band the 33-foot build exists for, and it models real gain over the bare vertical there. On 30 meters it stays strong, the added height still paying. On 20 meters it remains positive and clean. If your logbook lives on 40, this is your height.\u003c\/p\u003e\n\n  \u003cp style=\"margin:0 0 28px;\"\u003e\u003cstrong\u003eWhere it gets interesting, 15 through 10 meters.\u003c\/strong\u003e Seventeen meters sits near the antenna’s five-eighths-wave point — still useful, but transitional. Above that, on 15, 12, and 10, a radiator this tall on a short wavelength stops behaving like a simple vertical and develops a multi-lobe pattern, some lobes at useful angles and some not. That is physics, not a defect. The combo still works up high, but the clean single-lobe story belongs to 40 through 20. We would rather you know that going in than discover it on the air.\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 33 if 40 meters is your home band and you want the height the band actually rewards. It is the working DXer’s build: the most popular base antenna in the line, topped to the classic 40M number, still clean and strong on 30 and 20.\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  \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 \/\/ 33 Feet, Two Pieces\u003c\/p\u003e\n    \u003cp style=\"margin:0 0 10px; color:#555;\"\u003e\u003cstrong\u003eBase:\u003c\/strong\u003e 24-foot DX Vertical, 160-6M, no radials, the most popular height in 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 33 feet — the classic 40-meter quarter-wave.\u003c\/p\u003e\n    \u003cp style=\"margin:0 0 10px; color:#555;\"\u003e\u003cstrong\u003eBest bands:\u003c\/strong\u003e 40M, 30M, 20M (modeled positive gain). 17M transitional; honest multi-lobe behavior 15M and up.\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 Band\u003c\/h2\u003e\n\n  \u003cp style=\"margin:0 0 20px;\"\u003eForty meters does not reward cleverness, it rewards being the right height. Thirty-three feet of aperture, modeled honestly, landing on the number the band was practically designed around — with 30 and 20 riding along strong.\u003c\/p\u003e\n\n  \u003cp style=\"margin:0 0 30px;\"\u003eBob teaches the physics. Greyline ships the height. Now go work the band.\u003c\/p\u003e\n\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 33\u003c\/p\u003e\n    \u003cp style=\"margin:0 0 10px; color:#555;\"\u003e\u003cstrong\u003eOpen DX Vertical\u003c\/strong\u003e (taller, no flag) — 24' DXV plus 9' DX Whip — \u003cstrong\u003e$1,325\u003c\/strong\u003e\u003c\/p\u003e\n    \u003cp style=\"margin:0 0 14px; color:#555;\"\u003e\u003cstrong\u003eFlag Kit (HOA-friendly)\u003c\/strong\u003e — 24' DX Flagpole plus 9' DX Whip — \u003cstrong\u003e$1,370\u003c\/strong\u003e\u003c\/p\u003e\n    \u003cp style=\"margin:0;\"\u003e\u003ca href=\"https:\/\/greylineperformance.com\/products\/24-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  \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-29-vertical-antenna\" style=\"color:#b8960c; font-weight:bold; text-decoration:none;\"\u003eThe Skyline 29\u003c\/a\u003e — the balanced build, clean pattern further up the dial.\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  \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":50011300921621,"sku":"SKY-33-DXV","price":1325.0,"currency_code":"USD","in_stock":true},{"title":"Flag Kit (HOA)","offer_id":50011300954389,"sku":"SKY-33-DXF","price":1370.0,"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-33-vertical-antenna","provider":"Greyline Performance Antennas","version":"1.0","type":"link"}