<p>The Yaesu GC-038 is a genuine lower mast clamp assembly engineered specifically to mount Yaesu antenna rotators directly onto a support pipe, mast, or pole without requiring a flat tower-shelf mounting plate. By attaching directly to the bottom mounting points of the rotator base housing, it provides the secure dual-jaw gripping mechanism necessary to support the rotator and antenna assembly safely in pole-mounted installations.<\/p><\/p>\n
<p>Cast from a high-tensile, corrosion-resistant alloy designed to endure prolonged outdoor weathering and heavy vibration, it features grooved internal gripping surfaces that deliver outstanding anti-twist retention against dynamic wind loads. It is an essential mounting accessory for pole-type configurations across virtually the entire Yaesu rotator lineup, including the G-450, G-650, G-800, G-1000, and G-5500 series (excluding the heavy-duty G-2800 series, which requires the GC-048 clamp).<\/p><\/p>\n
<hr \/><\/p>\n
<h2>Key Advantages<\/h2><\/p>\n
<ul>
<li><strong>Versatile Pole Mounting:<\/strong> Allows rotators to be installed on tubular masts and poles without requiring a dedicated lattice tower.<\/li>
<li><strong>Genuine Yaesu Precision:<\/strong> Engineered for an exact mechanical fit with the standard 4-point bottom mounting pattern of Yaesu rotators.<\/li>
<li><strong>High-Strength Cast Alloy:<\/strong> Robust structural design that resists bending moments, mechanical fatigue, and outdoor exposure.<\/li>
<li><strong>Anti-Twist Clamping Surface:<\/strong> Ribbed jaw profile prevents rotational slippage caused by antenna inertia and high wind gusts.<\/li>
<li><strong>Broad Model Compatibility:<\/strong> Designed for Yaesu G-450, G-650, G-800, G-1000, and G-5500 rotator series.<\/li>
<\/ul><\/p>\n
<hr \/><\/p>\n
<h2>Recommended Applications<\/h2><\/p>\n
<h3>Tubular Roof and Guyed Masts<\/h3>
<p>Ideal for mounting an antenna rotator atop a guyed tubular mast or heavy-duty roof pipe where a lattice tower cannot be installed.<\/p><\/p>\n
<h3>Satellite and Azimuth-Elevation Arrays<\/h3>
<p>Enables combined azimuth-elevation rotator packages (such as the Yaesu G-5500) to sit securely on top of elevating masts.<\/p><\/p>\n
<hr \/><\/p>\n
<h2>Technical Specifications<\/h2><\/p>\n
<table style=”width:100%; border-collapse:collapse; border:1px solid #ddd;”>
<thead>
<tr>
<th style=”padding:8px; border:1px solid #ddd; text-align:left;”>Parameter<\/th>
<th style=”padding:8px; border:1px solid #ddd; text-align:left;”>Specification<\/th>
<\/tr>
<\/thead>
<tbody>
<tr>
<td style=”padding:8px; border:1px solid #ddd;”><strong>Brand<\/strong><\/td>
<td style=”padding:8px; border:1px solid #ddd;”>Yaesu<\/td>
<\/tr>
<tr>
<td style=”padding:8px; border:1px solid #ddd;”><strong>Model<\/strong><\/td>
<td style=”padding:8px; border:1px solid #ddd;”>GC-038<\/td>
<\/tr>
<tr>
<td style=”padding:8px; border:1px solid #ddd;”><strong>Reference (SKU) \/ EAN<\/strong><\/td>
<td style=”padding:8px; border:1px solid #ddd;”>GC038 \/ 4909959171358<\/td>
<\/tr>
<tr>
<td style=”padding:8px; border:1px solid #ddd;”><strong>Accessory Type<\/strong><\/td>
<td style=”padding:8px; border:1px solid #ddd;”>Lower Mast Clamp for pole-mounting antenna rotators<\/td>
<\/tr>
<tr>
<td style=”padding:8px; border:1px solid #ddd;”><strong>Compatible Mast Diameter<\/strong><\/td>
<td style=”padding:8px; border:1px solid #ddd;”>Masts and support pipes up to Ø 38 mm to 63 mm (depending on rotator model)<\/td>
<\/tr>
<tr>
<td style=”padding:8px; border:1px solid #ddd;”><strong>Compatible Rotators<\/strong><\/td>
<td style=”padding:8px; border:1px solid #ddd;”>Yaesu G-450, G-650, G-800DXA\/DXC, G-1000DXA\/DXC, G-5500 (all models except G-2800DXA\/DXC)<\/td>
<\/tr>
<tr>
<td style=”padding:8px; border:1px solid #ddd;”><strong>Material<\/strong><\/td>
<td style=”padding:8px; border:1px solid #ddd;”>Corrosion-resistant high-strength die-cast alloy<\/td>
<\/tr>
<\/tbody>
<\/table><\/p>\n
<hr \/><\/p>\n
<h2>Key Highlights<\/h2><\/p>\n
<ul>
<li>Official Yaesu accessory for converting flat-base rotators into pole-mounted units.<\/li>
<li>Two-piece clamshell jaw configuration for balanced, heavy-duty gripping force.<\/li>
<li>Wide cross-compatibility across amateur HF, VHF\/UHF, and satellite rotator models.<\/li>
<li>Simplifies antenna installations by eliminating the need for custom fabrication or tower plates.<\/li>
<\/ul><\/p>\n
<hr \/><\/p>\n
<h2>Package Contents<\/h2><\/p>\n
<ul>
<li>1x Yaesu GC-038 Mast Clamp Assembly (pair of clamping halves).<\/li>
<li>1x Complete mounting hardware set (fasteners, bolts, and lock washers).<\/li>
<\/ul><\/p>\n
<hr \/><\/p>\n
<h2>Frequently Asked Questions<\/h2><\/p>\n
<h3>What is the difference between the GC-038 and the clamps included with the rotator?<\/h3>
<p>The clamps included in the box with a new Yaesu rotator are the upper clamps, which grip the mast holding the antenna array. The GC-038 is an optional lower clamp that bolts to the underside of the rotator body, allowing the entire drive unit to be clamped onto a lower support pipe instead of resting on a flat tower shelf.<\/p><\/p>\n
<h3>Can this clamp be used on the Yaesu G-2800DXC?<\/h3>
<p>No. The heavy-duty G-2800 series has a larger footprint and handles much higher torsional loads; it requires the larger Yaesu GC-048 mast clamp.<\/p><\/p>\n","protected":false},"excerpt":{"rendered":"
Compatible with: Yaesu antenna rotators G-450, G-650, G-800DXA \/ G-800DXC, G-1000DXA \/ G-1000DXC, and G-5500 (incompatible with G-2800DXA \/ G-2800DXC)<\/p>\n","protected":false},"featured_media":98276,"template":"","meta":{"_acf_changed":false,"_relevanssi_hide_post":"","_relevanssi_hide_content":"","_relevanssi_pin_for_all":"","_relevanssi_pin_keywords":"","_relevanssi_unpin_keywords":"","_relevanssi_related_keywords":"","_relevanssi_related_include_ids":"","_relevanssi_related_exclude_ids":"","_relevanssi_related_no_append":"","_relevanssi_related_not_related":"","_relevanssi_related_posts":"","_relevanssi_noindex_reason":"","inline_featured_image":false,"_joinchat":[]},"product_brand":[12430],"product_cat":[12325,12631],"product_tag":[12710],"class_list":["post-58545","product","type-product","status-publish","has-post-thumbnail","product_brand-yaesu-en","product_cat-accesorios-de-antenas-en","product_cat-rotors-en","product_tag-ham-radio","first","instock","taxable","shipping-taxable","purchasable","product-type-simple"],"acf":[],"yoast_head":"\n