Transmit TACAN Bearing Information with a Circular Array

<div>Bearing measurement errors computed from the phases of <svg height="10.1602pt" id="M151" style="vertical-align:-3.32502pt" version="1.1" viewbox="-0.0498162 -6.83518 18.0543 10.1602" width="18.0543pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,0,0)"><path d="M573 302C573 402 527 451 414 451C386 451 343 446 313 437L330 513L320 522C295 508 261 484 243 463L230 415C194 400 159 383 126 359L131 330C159 344 187 357 222 368L109 -147C96 -204 80 -214 18 -223L13 -255L256 -244L259 -212L236 -210C184 -205 180 -195 191 -141L219 -1C240 -10 268 -12 284 -12C352 4 431 48 484 104C543 166 573 240 573 302ZM481 290C481 165 381 37 305 37C280 37 249 56 235 71L302 395C328 399 353 402 372 402C427 402 481 378 481 290Z" id="g50-113"></path><glyph.data ascent="3443" descent="-2856" horiz-adv-x="597" vert-adv-y="597"></glyph.data></g><g transform="matrix(.0091,0,0,-0.0091,7.436,3.001)"><path d="M389 0V32C297 38 291 46 291 118V635C234 613 175 595 109 583V556L161 554C203 552 207 547 207 497V118C207 46 201 38 110 32V0H389Z" id="g50-50"></path><glyph.data ascent="3443" descent="-2856" horiz-adv-x="487" vert-adv-y="487"></glyph.data></g><g transform="matrix(.0091,0,0,-0.0091,11.868,3.001)"><path d="M578 171L544 179C513 92 483 74 417 74H141L383 357L171 610H352C425 610 449 604 465 585C481 567 490 542 502 497L536 502C531 559 525 633 524 650H46V625L296 326L33 26V0H538L578 171Z" id="g50-147"></path><glyph.data ascent="3443" descent="-2856" horiz-adv-x="607" vert-adv-y="607"></glyph.data></g></svg> and <svg height="10.1602pt" id="M152" style="vertical-align:-3.32502pt" version="1.1" viewbox="-0.0498162 -6.83518 18.0543 10.1602" width="18.0543pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,0,0)"><path d="M573 302C573 402 527 451 414 451C386 451 343 446 313 437L330 513L320 522C295 508 261 484 243 463L230 415C194 400 159 383 126 359L131 330C159 344 187 357 222 368L109 -147C96 -204 80 -214 18 -223L13 -255L256 -244L259 -212L236 -210C184 -205 180 -195 191 -141L219 -1C240 -10 268 -12 284 -12C352 4 431 48 484 104C543 166 573 240 573 302ZM481 290C481 165 381 37 305 37C280 37 249 56 235 71L302 395C328 399 353 402 372 402C427 402 481 378 481 290Z" id="g50-113"></path><glyph.data ascent="3443" descent="-2856" horiz-adv-x="597" vert-adv-y="597"></glyph.data></g><g transform="matrix(.0091,0,0,-0.0091,7.436,3.001)"><path d="M247 635C116 635 39 518 39 421C39 315 113 237 221 237C239 237 258 241 281 253L349 289C315 140 204 42 60 19L66 -15C90 -15 153 -5 207 16C344 70 447 199 447 385C447 521 373 635 247 635ZM231 598C329 598 356 478 356 390C356 371 355 347 352 325C330 309 297 297 262 297C179 297 127 369 127 456C127 515 156 598 231 598Z" id="g50-58"></path><glyph.data ascent="3443" descent="-2856" horiz-adv-x="487" vert-adv-y="487"></glyph.data></g><g transform="matrix(.0091,0,0,-0.0091,11.868,3.001)"><path d="M578 171L544 179C513 92 483 74 417 74H141L383 357L171 610H352C425 610 449 604 465 585C481 567 490 542 502 497L536 502C531 559 525 633 524 650H46V625L296 326L33 26V0H538L578 171Z" id="g50-147"></path><glyph.data ascent="3443" descent="-2856" horiz-adv-x="607" vert-adv-y="607"></glyph.data></g></svg> for coarse (solid curve) and fine (dashed curve) bearing information, respectively.</div>

International Journal of Antennas and Propagation

Transmit TACAN Bearing Information with a Circular Array

Figure 7