{"id":13124,"date":"2025-03-27T18:56:20","date_gmt":"2025-03-27T07:56:20","guid":{"rendered":"https:\/\/amateurradiosupplies.com.au\/?post_type=product&#038;p=13124"},"modified":"2026-03-14T09:00:38","modified_gmt":"2026-03-13T22:00:38","slug":"jsc-1320-300-ladder-line-300-ohm-20-awg-30-ft-9m","status":"publish","type":"product","link":"https:\/\/amateurradiosupplies.com.au\/index.php\/product\/jsc-1320-300-ladder-line-300-ohm-20-awg-30-ft-9m\/","title":{"rendered":"JSC 1320-300 Ladder Line 300 OHM-20 AWG  50 FT (15m)"},"content":{"rendered":"<p><strong>NOTE: SOLD OUT ON BACK ORDER<\/strong><\/p>\n<p>1320-300: Twin-lead cable is a two-conductor flat cable used as a transmission line to carry radio frequency (RF) signals. 300-Ohm ladder line is a type of balanced transmission line often used in amateur radio, television antennas, and some professional RF applications.  <\/p>\n<p>Specifications:<br \/>\n<strong>Roll quantity: 50ft \/ 15m <\/strong><br \/>\nConductor: Bare Copper 20 AWG (0.0320in\/0.8128mm)<br \/>\nStranding: 7 0.0126in (0.321mm)<br \/>\nInsulation: Low Density Polyethylene 0.045in<br \/>\nOverall Cable Diameter:&#8212;- 0.130 x 0.400in<br \/>\nTemperature Rating: -40\u1d52C to +60\u1d52C<br \/>\nSunlight Resistant: Yes<br \/>\nVoltage Rating: 300 (V)<br \/>\nOperating Voltage: 1.5amp<br \/>\nCapacitance: Between Conductors @ 1 KHz &#8212;-<br \/>\nCapacitance: Between Conductor(s) to Shield @ 1KHz &#8212;-<br \/>\nDC Resistance per: Conductor @ 20\u1d52C 10.15 \u2126\/1000ft<br \/>\nImpedance: 300 \u2126<br \/>\nVelocity of Propagation: 80%<br \/>\nAttenuation: &#8212;-(db\/1000ft)<br \/>\nTensile Strength: 29(lbs)<br \/>\nElongation: &#8212;-(%)<br \/>\nPower Ratings: 300-Ohm ladder line can typically handle hundreds of watts of RF power. High-quality ladder line can handle up to 1,000 watts or more, depending on the spacing and insulation material.<\/p>\n<p>Applications:<br \/>\nFeeding multi-band dipole or Yagi antennas.<br \/>\nUse in amateur radio for high-efficiency transmission.<br \/>\nBroadcasting and TV antenna systems.<\/p>\n<p>JSC WIRE &amp; CABLE: #1320 20AWG STRANDED BC ROHS MADE IN THE USA <\/p>\n","protected":false},"excerpt":{"rendered":"<p>NOTE: SOLD OUT ON BACK ORDER 1320-300: Twin-lead cable is a two-conductor flat cable used as a transmission line to [&hellip;]<\/p>\n","protected":false},"featured_media":13127,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[32],"product_tag":[],"class_list":{"0":"post-13124","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-antennas","8":"first","9":"instock","10":"shipping-taxable","11":"purchasable","12":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/amateurradiosupplies.com.au\/index.php\/wp-json\/wp\/v2\/product\/13124","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/amateurradiosupplies.com.au\/index.php\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/amateurradiosupplies.com.au\/index.php\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/amateurradiosupplies.com.au\/index.php\/wp-json\/wp\/v2\/comments?post=13124"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/amateurradiosupplies.com.au\/index.php\/wp-json\/wp\/v2\/media\/13127"}],"wp:attachment":[{"href":"https:\/\/amateurradiosupplies.com.au\/index.php\/wp-json\/wp\/v2\/media?parent=13124"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/amateurradiosupplies.com.au\/index.php\/wp-json\/wp\/v2\/product_brand?post=13124"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/amateurradiosupplies.com.au\/index.php\/wp-json\/wp\/v2\/product_cat?post=13124"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/amateurradiosupplies.com.au\/index.php\/wp-json\/wp\/v2\/product_tag?post=13124"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}