PBO Station Position Time Series. Reference Frame : IGS05 (061102) Format Version: 1.0.2 4-character ID: GLRS Station name : GLRS_SCGN_CS1999 First Epoch : 20030122 115900 Last Epoch : 20080514 115900 Release Data : 20081205 093720 XYZ Reference position : -2299767.37451 -4816937.90648 3479453.55441 (IGS05) NEU Reference position : 33.2748126453 244.4786288997 -48.66514 (IGS05/WGS84) 20030122 115900 52661.4993 -2299767.32744 -4816937.91786 3479453.57280 0.00264 0.00456 0.00333 0.768 -0.707 -0.847 33.2748128335 244.4786294083 -48.66343 0.02094 0.04734 0.00171 0.00151 0.00153 0.00585 0.078 -0.090 -0.047 wfree 20030129 115900 52668.4993 -2299767.32989 -4816937.92014 3479453.57410 0.00240 0.00419 0.00307 0.766 -0.696 -0.833 33.2748128280 244.4786293951 -48.66011 0.02033 0.04611 0.00503 0.00145 0.00140 0.00536 0.062 -0.087 -0.028 wfree 20030212 115900 52682.4993 -2299767.32892 -4816937.92020 3479453.57072 0.00245 0.00439 0.00327 0.738 -0.685 -0.823 33.2748128042 244.4786294048 -48.66227 0.01769 0.04701 0.00287 0.00156 0.00151 0.00559 0.011 -0.040 0.024 wfree 20030219 115900 52689.4993 -2299767.33157 -4816937.92420 3479453.57397 0.00316 0.00571 0.00423 0.771 -0.718 -0.848 33.2748128053 244.4786293975 -48.65651 0.01780 0.04634 0.00863 0.00188 0.00184 0.00732 0.034 -0.048 0.009 wfree 20030226 115900 52696.4993 -2299767.33030 -4816937.91787 3479453.57049 0.00276 0.00498 0.00364 0.752 -0.691 -0.835 33.2748128099 244.4786293806 -48.66365 0.01832 0.04476 0.00149 0.00170 0.00166 0.00633 0.041 -0.076 0.029 wfree 20030305 115900 52703.4993 -2299767.33030 -4816937.91613 3479453.56976 0.00276 0.00499 0.00364 0.752 -0.690 -0.835 33.2748128122 244.4786293726 -48.66537 0.01857 0.04402 -0.00023 0.00171 0.00167 0.00633 0.042 -0.076 0.029 wfree 20030409 115900 52738.4993 -2299767.33119 -4816937.91596 3479453.57270 0.00298 0.00536 0.00384 0.779 -0.715 -0.847 33.2748128333 244.4786293632 -48.66357 0.02092 0.04314 0.00157 0.00176 0.00170 0.00681 0.056 -0.113 -0.004 wfree 20030423 115900 52752.4993 -2299767.33530 -4816937.92309 3479453.57613 0.00260 0.00473 0.00342 0.776 -0.711 -0.849 33.2748128186 244.4786293563 -48.65482 0.01928 0.04250 0.01032 0.00155 0.00150 0.00602 0.061 -0.088 0.020 wfree 20030430 115900 52759.4993 -2299767.33691 -4816937.92446 3479453.57796 0.00279 0.00489 0.00354 0.754 -0.682 -0.845 33.2748128228 244.4786293470 -48.65220 0.01975 0.04164 0.01294 0.00164 0.00167 0.00623 0.106 -0.098 -0.004 wfree 20030507 115900 52766.4993 -2299767.33765 -4816937.92347 3479453.57443 0.00250 0.00442 0.00319 0.738 -0.659 -0.846 33.2748127990 244.4786293353 -48.65462 0.01711 0.04055 0.01052 0.00148 0.00154 0.00560 0.137 -0.096 0.027 wfree 20030514 115900 52773.4993 -2299767.33760 -4816937.92266 3479453.57425 0.00250 0.00442 0.00319 0.737 -0.658 -0.846 33.2748128013 244.4786293320 -48.65535 0.01737 0.04024 0.00979 0.00149 0.00155 0.00560 0.137 -0.095 0.027 wfree 20030521 115900 52780.4993 -2299767.33636 -4816937.92326 3479453.57636 0.00241 0.00436 0.00313 0.766 -0.705 -0.850 33.2748128172 244.4786293469 -48.65418 0.01914 0.04163 0.01096 0.00142 0.00141 0.00553 0.061 -0.103 0.023 wfree 20040121 115900 53025.4993 -2299767.34223 -4816937.91092 3479453.56433 0.00260 0.00466 0.00332 0.768 -0.684 -0.837 33.2748127691 244.4786292329 -48.66799 0.01378 0.03101 -0.00285 0.00159 0.00152 0.00589 0.095 -0.129 0.012 wfree 20040128 115900 53032.4993 -2299767.34714 -4816937.91625 3479453.56531 0.00258 0.00455 0.00348 0.748 -0.676 -0.814 33.2748127423 244.4786292100 -48.66166 0.01079 0.02889 0.00348 0.00170 0.00156 0.00584 0.036 -0.013 -0.001 wfree 20040204 115900 53039.4993 -2299767.34808 -4816937.91618 3479453.56719 0.00258 0.00455 0.00348 0.749 -0.676 -0.814 33.2748127547 244.4786292006 -48.66034 0.01218 0.02801 0.00480 0.00170 0.00156 0.00584 0.035 -0.013 -0.001 wfree 20040211 115900 53046.4993 -2299767.34479 -4816937.91006 3479453.56295 0.00214 0.00387 0.00279 0.757 -0.710 -0.841 33.2748127572 244.4786292041 -48.66847 0.01245 0.02834 -0.00333 0.00128 0.00128 0.00490 0.010 -0.091 0.020 wfree 20040218 115900 53053.4993 -2299767.34667 -4816937.91085 3479453.56468 0.00265 0.00500 0.00363 0.745 -0.689 -0.844 33.2748127626 244.4786291896 -48.66624 0.01306 0.02699 -0.00110 0.00165 0.00164 0.00630 0.036 -0.062 0.095 wfree 20040303 115900 53067.4993 -2299767.34775 -4816937.91515 3479453.56576 0.00248 0.00434 0.00318 0.706 -0.638 -0.831 33.2748127493 244.4786291990 -48.66202 0.01157 0.02786 0.00312 0.00152 0.00161 0.00549 0.102 -0.065 0.039 wfree 20040407 115900 53102.4993 -2299767.34553 -4816937.90999 3479453.56530 0.00293 0.00528 0.00382 0.766 -0.712 -0.838 33.2748127735 244.4786291966 -48.66697 0.01427 0.02764 -0.00183 0.00177 0.00172 0.00671 0.018 -0.094 0.006 wfree 20040414 115900 53109.4993 -2299767.34735 -4816937.91371 3479453.56758 0.00292 0.00524 0.00379 0.763 -0.708 -0.835 33.2748127702 244.4786291963 -48.66225 0.01391 0.02761 0.00289 0.00177 0.00172 0.00665 0.018 -0.095 0.006 wfree 20040421 115900 53116.4993 -2299767.34942 -4816937.91444 3479453.56663 0.00290 0.00494 0.00376 0.739 -0.694 -0.829 33.2748127555 244.4786291796 -48.66148 0.01226 0.02605 0.00366 0.00175 0.00178 0.00638 0.023 -0.016 -0.044 wfree 20040428 115900 53123.4993 -2299767.34958 -4816937.91477 3479453.56578 0.00274 0.00475 0.00368 0.740 -0.672 -0.811 33.2748127473 244.4786291796 -48.66164 0.01135 0.02605 0.00350 0.00181 0.00168 0.00613 0.034 0.008 -0.014 wfree 20040512 115900 53137.4993 -2299767.35157 -4816937.91645 3479453.56729 0.00309 0.00537 0.00384 0.740 -0.702 -0.837 33.2748127469 244.4786291680 -48.65882 0.01130 0.02498 0.00632 0.00179 0.00189 0.00681 0.017 -0.117 -0.018 wfree 20040519 115900 53144.4993 -2299767.35227 -4816937.91340 3479453.56834 0.00301 0.00525 0.00385 0.759 -0.715 -0.840 33.2748127669 244.4786291471 -48.66029 0.01353 0.02303 0.00485 0.00176 0.00178 0.00672 0.018 -0.079 -0.030 wfree 20050119 115900 53389.4993 -2299767.36017 -4816937.90857 3479453.55716 0.00279 0.00519 0.00374 0.759 -0.711 -0.844 33.2748126874 244.4786290482 -48.66723 0.00468 0.01383 -0.00209 0.00170 0.00167 0.00656 0.002 -0.087 0.063 wfree 20050202 115900 53403.4993 -2299767.36019 -4816937.90654 3479453.55760 0.00259 0.00468 0.00336 0.764 -0.703 -0.841 33.2748126997 244.4786290387 -48.66852 0.00605 0.01294 -0.00338 0.00156 0.00153 0.00593 0.041 -0.104 0.018 wfree 20050209 115900 53410.4993 -2299767.36307 -4816937.90650 3479453.55665 0.00244 0.00450 0.00333 0.734 -0.708 -0.818 33.2748126865 244.4786290106 -48.66802 0.00458 0.01033 -0.00288 0.00159 0.00153 0.00569 -0.080 -0.041 0.053 wfree 20050216 115900 53417.4993 -2299767.35875 -4816937.90320 3479453.55463 0.00258 0.00460 0.00327 0.758 -0.692 -0.837 33.2748126953 244.4786290373 -48.67318 0.00556 0.01281 -0.00804 0.00155 0.00154 0.00581 0.058 -0.130 0.007 wfree 20050223 115900 53424.4993 -2299767.35827 -4816937.90145 3479453.55403 0.00259 0.00460 0.00327 0.757 -0.690 -0.835 33.2748126996 244.4786290338 -48.67501 0.00604 0.01248 -0.00987 0.00156 0.00154 0.00581 0.059 -0.128 0.006 wfree 20050302 115900 53431.4993 -2299767.36244 -4816937.90717 3479453.55896 0.00271 0.00468 0.00341 0.770 -0.677 -0.830 33.2748127023 244.4786290198 -48.66648 0.00634 0.01118 -0.00134 0.00166 0.00157 0.00598 0.120 -0.104 -0.040 wfree 20050413 115900 53473.4993 -2299767.36414 -4816937.90690 3479453.55887 0.00246 0.00422 0.00316 0.757 -0.683 -0.836 33.2748126992 244.4786290021 -48.66611 0.00600 0.00954 -0.00097 0.00148 0.00146 0.00544 0.095 -0.048 -0.036 wfree 20050420 115900 53480.4993 -2299767.36547 -4816937.90906 3479453.56028 0.00223 0.00403 0.00292 0.742 -0.685 -0.835 33.2748126974 244.4786289992 -48.66324 0.00579 0.00927 0.00190 0.00137 0.00137 0.00510 0.037 -0.084 0.038 wfree 20050427 115900 53487.4993 -2299767.36595 -4816937.90676 3479453.55699 0.00283 0.00499 0.00366 0.750 -0.688 -0.834 33.2748126818 244.4786289839 -48.66661 0.00406 0.00784 -0.00147 0.00172 0.00170 0.00636 0.054 -0.074 0.002 wfree 20050504 115900 53494.4993 -2299767.36605 -4816937.90476 3479453.55710 0.00283 0.00500 0.00367 0.750 -0.688 -0.834 33.2748126914 244.4786289737 -48.66802 0.00512 0.00689 -0.00288 0.00172 0.00170 0.00637 0.054 -0.073 0.003 wfree 20050511 115900 53501.4993 -2299767.36761 -4816937.90832 3479453.56097 0.00245 0.00440 0.00316 0.750 -0.693 -0.833 33.2748127013 244.4786289751 -48.66265 0.00623 0.00702 0.00249 0.00150 0.00148 0.00556 0.030 -0.102 0.019 wfree 20050518 115900 53508.4993 -2299767.36622 -4816937.90354 3479453.55739 0.00271 0.00488 0.00354 0.755 -0.706 -0.835 33.2748126986 244.4786289664 -48.66871 0.00593 0.00621 -0.00357 0.00165 0.00162 0.00619 0.007 -0.085 0.014 wfree 20050525 115900 53515.4993 -2299767.36625 -4816937.90368 3479453.55705 0.00269 0.00483 0.00351 0.751 -0.701 -0.831 33.2748126953 244.4786289668 -48.66879 0.00557 0.00625 -0.00365 0.00165 0.00162 0.00613 0.007 -0.085 0.014 wfree 20060118 115900 53753.4993 -2299767.37985 -4816937.90320 3479453.54997 0.00226 0.00421 0.00294 0.737 -0.688 -0.825 33.2748126152 244.4786288328 -48.66813 -0.00336 -0.00622 -0.00299 0.00143 0.00141 0.00524 -0.021 -0.138 0.078 wfree 20060125 115900 53760.4993 -2299767.38165 -4816937.90440 3479453.55041 0.00226 0.00421 0.00294 0.737 -0.688 -0.825 33.2748126093 244.4786288209 -48.66634 -0.00401 -0.00733 -0.00120 0.00143 0.00141 0.00524 -0.021 -0.139 0.078 wfree 20060201 115900 53767.4993 -2299767.38528 -4816937.91219 3479453.55692 0.00277 0.00525 0.00377 0.754 -0.695 -0.834 33.2748126159 244.4786288218 -48.65559 -0.00328 -0.00724 0.00955 0.00178 0.00169 0.00659 0.004 -0.088 0.092 wfree 20060208 115900 53774.4993 -2299767.38163 -4816937.90444 3479453.55016 0.00231 0.00421 0.00302 0.781 -0.719 -0.825 33.2748126073 244.4786288213 -48.66645 -0.00423 -0.00730 -0.00131 0.00146 0.00132 0.00532 -0.014 -0.118 0.002 wfree 20060222 115900 53788.4993 -2299767.38011 -4816937.90300 3479453.54830 0.00269 0.00466 0.00335 0.784 -0.699 -0.839 33.2748126029 244.4786288294 -48.66911 -0.00472 -0.00654 -0.00397 0.00159 0.00151 0.00595 0.111 -0.126 -0.053 wfree 20060301 115900 53795.4993 -2299767.37721 -4816937.89672 3479453.54491 0.00251 0.00435 0.00313 0.787 -0.707 -0.840 33.2748126116 244.4786288285 -48.67675 -0.00376 -0.00663 -0.01161 0.00148 0.00140 0.00556 0.095 -0.125 -0.060 wfree 20060412 115900 53837.4993 -2299767.38730 -4816937.90766 3479453.55453 0.00294 0.00544 0.00391 0.754 -0.721 -0.845 33.2748126138 244.4786287813 -48.65959 -0.00351 -0.01102 0.00555 0.00176 0.00178 0.00688 -0.025 -0.089 0.050 wfree 20060419 115900 53844.4993 -2299767.38681 -4816937.91182 3479453.55519 0.00327 0.00560 0.00416 0.745 -0.718 -0.830 33.2748126012 244.4786288053 -48.65626 -0.00491 -0.00878 0.00888 0.00192 0.00198 0.00719 -0.029 -0.060 -0.051 wfree 20060503 115900 53858.4993 -2299767.38511 -4816937.90291 3479453.54961 0.00283 0.00504 0.00366 0.764 -0.716 -0.843 33.2748126025 244.4786287805 -48.66666 -0.00476 -0.01109 -0.00152 0.00167 0.00166 0.00642 0.019 -0.089 -0.006 wfree 20060510 115900 53865.4993 -2299767.38880 -4816937.90737 3479453.55406 0.00259 0.00457 0.00332 0.750 -0.701 -0.828 33.2748126083 244.4786287654 -48.65952 -0.00412 -0.01249 0.00562 0.00158 0.00156 0.00581 0.005 -0.094 -0.007 wfree 20060517 115900 53872.4993 -2299767.38439 -4816937.89739 3479453.54587 0.00292 0.00520 0.00370 0.778 -0.728 -0.840 33.2748126006 244.4786287620 -48.67313 -0.00498 -0.01281 -0.00799 0.00172 0.00167 0.00660 0.005 -0.132 -0.025 wfree 20060524 115900 53879.4993 -2299767.38836 -4816937.90540 3479453.55143 0.00290 0.00515 0.00366 0.775 -0.723 -0.836 33.2748125982 244.4786287605 -48.66261 -0.00525 -0.01295 0.00253 0.00172 0.00167 0.00653 0.005 -0.133 -0.025 wfree 20070117 115900 54117.4993 -2299767.39390 -4816937.90006 3479453.54302 0.00252 0.00443 0.00315 0.754 -0.689 -0.841 33.2748125468 244.4786286822 -48.66926 -0.01097 -0.02023 -0.00412 0.00148 0.00151 0.00561 0.077 -0.129 -0.007 wfree 20070124 115900 54124.4993 -2299767.39318 -4816937.89834 3479453.54173 0.00252 0.00443 0.00315 0.755 -0.690 -0.841 33.2748125464 244.4786286812 -48.67152 -0.01102 -0.02033 -0.00638 0.00148 0.00151 0.00561 0.077 -0.130 -0.006 wfree 20070131 115900 54131.4993 -2299767.39496 -4816937.89542 3479453.54047 0.00294 0.00503 0.00378 0.727 -0.715 -0.808 33.2748125461 244.4786286504 -48.67377 -0.01105 -0.02319 -0.00863 0.00182 0.00184 0.00645 -0.092 -0.040 -0.045 wfree 20070207 115900 54138.4993 -2299767.39793 -4816937.90421 3479453.54793 0.00232 0.00418 0.00303 0.725 -0.680 -0.828 33.2748125567 244.4786286624 -48.66198 -0.00986 -0.02208 0.00316 0.00144 0.00147 0.00528 0.010 -0.080 0.043 wfree 20070214 115900 54145.4993 -2299767.39708 -4816937.90353 3479453.54763 0.00233 0.00419 0.00305 0.726 -0.680 -0.829 33.2748125594 244.4786286674 -48.66296 -0.00957 -0.02161 0.00218 0.00144 0.00147 0.00530 0.011 -0.079 0.044 wfree 20070221 115900 54152.4993 -2299767.39660 -4816937.90097 3479453.54555 0.00256 0.00460 0.00333 0.755 -0.690 -0.848 33.2748125561 244.4786286602 -48.66621 -0.00993 -0.02228 -0.00107 0.00152 0.00153 0.00584 0.083 -0.090 0.023 wfree 20070228 115900 54159.4993 -2299767.39848 -4816937.90362 3479453.54543 0.00296 0.00512 0.00369 0.653 -0.556 -0.795 33.2748125394 244.4786286543 -48.66359 -0.01179 -0.02283 0.00155 0.00198 0.00207 0.00635 0.126 -0.101 0.077 wfree 20070411 115900 54201.4993 -2299767.40205 -4816937.89880 3479453.54255 0.00268 0.00467 0.00339 0.710 -0.648 -0.821 33.2748125315 244.4786285974 -48.66753 -0.01267 -0.02813 -0.00239 0.00167 0.00173 0.00589 0.064 -0.089 0.025 wfree 20070418 115900 54208.4993 -2299767.39792 -4816937.89169 3479453.53918 0.00310 0.00563 0.00393 0.711 -0.690 -0.831 33.2748125467 244.4786286046 -48.67624 -0.01098 -0.02746 -0.01110 0.00186 0.00201 0.00702 -0.038 -0.137 0.059 wfree 20070425 115900 54215.4993 -2299767.39722 -4816937.89065 3479453.53734 0.00310 0.00562 0.00393 0.712 -0.691 -0.832 33.2748125389 244.4786286065 -48.67827 -0.01185 -0.02728 -0.01313 0.00185 0.00201 0.00701 -0.039 -0.138 0.058 wfree 20070502 115900 54222.4993 -2299767.40216 -4816937.90167 3479453.54433 0.00315 0.00551 0.00391 0.763 -0.700 -0.837 33.2748125320 244.4786286097 -48.66435 -0.01262 -0.02699 0.00079 0.00186 0.00185 0.00698 0.057 -0.139 -0.024 wfree 20070509 115900 54229.4993 -2299767.40237 -4816937.89796 3479453.54279 0.00253 0.00461 0.00330 0.754 -0.705 -0.828 33.2748125364 244.4786285904 -48.66792 -0.01212 -0.02878 -0.00278 0.00157 0.00152 0.00581 -0.016 -0.112 0.031 wfree 20070523 115900 54243.4993 -2299767.40245 -4816937.89796 3479453.54009 0.00307 0.00571 0.00406 0.748 -0.699 -0.826 33.2748125159 244.4786285896 -48.66936 -0.01441 -0.02885 -0.00422 0.00195 0.00188 0.00716 -0.026 -0.115 0.063 wfree 20080123 115900 54488.4993 -2299767.41562 -4816937.89847 3479453.53939 0.00258 0.00475 0.00337 0.783 -0.731 -0.862 33.2748124803 244.4786284644 -48.66463 -0.01837 -0.04051 0.00051 0.00146 0.00147 0.00603 0.042 -0.119 0.030 wfree 20080130 115900 54495.4993 -2299767.41215 -4816937.89190 3479453.53434 0.00223 0.00401 0.00287 0.782 -0.714 -0.855 33.2748124789 244.4786284677 -48.67361 -0.01852 -0.04020 -0.00847 0.00129 0.00126 0.00510 0.090 -0.114 -0.004 wfree 20080206 115900 54502.4993 -2299767.41175 -4816937.89731 3479453.53613 0.00253 0.00441 0.00321 0.710 -0.637 -0.808 33.2748124692 244.4786284965 -48.66868 -0.01961 -0.03752 -0.00354 0.00163 0.00163 0.00555 0.062 -0.091 0.023 wfree 20080213 115900 54509.4993 -2299767.41258 -4816937.89585 3479453.53509 0.00255 0.00446 0.00325 0.715 -0.645 -0.812 33.2748124661 244.4786284818 -48.67006 -0.01995 -0.03889 -0.00492 0.00163 0.00163 0.00562 0.062 -0.090 0.022 wfree 20080220 115900 54516.4993 -2299767.41543 -4816937.89397 3479453.53295 0.00326 0.00563 0.00396 0.762 -0.688 -0.839 33.2748124522 244.4786284455 -48.67162 -0.02150 -0.04227 -0.00648 0.00190 0.00191 0.00713 0.098 -0.161 -0.035 wfree 20080227 115900 54523.4993 -2299767.41539 -4816937.89799 3479453.53834 0.00274 0.00478 0.00337 0.735 -0.652 -0.835 33.2748124750 244.4786284645 -48.66565 -0.01896 -0.04050 -0.00051 0.00164 0.00169 0.00601 0.125 -0.143 0.013 wfree 20080305 115900 54530.4993 -2299767.41888 -4816937.90393 3479453.54273 0.00272 0.00472 0.00333 0.731 -0.647 -0.831 33.2748124742 244.4786284581 -48.65750 -0.01905 -0.04109 0.00764 0.00164 0.00169 0.00593 0.126 -0.146 0.012 wfree 20080409 115900 54565.4993 -2299767.41755 -4816937.89746 3479453.53941 0.00245 0.00452 0.00318 0.763 -0.710 -0.840 33.2748124808 244.4786284411 -48.66468 -0.01831 -0.04268 0.00046 0.00148 0.00145 0.00568 0.006 -0.132 0.047 wfree 20080416 115900 54572.4993 -2299767.41732 -4816937.89143 3479453.53601 0.00248 0.00462 0.00320 0.753 -0.709 -0.827 33.2748124826 244.4786284154 -48.67118 -0.01811 -0.04507 -0.00604 0.00155 0.00150 0.00575 -0.046 -0.158 0.061 wfree 20080423 115900 54579.4993 -2299767.41770 -4816937.89320 3479453.53693 0.00247 0.00462 0.00320 0.754 -0.710 -0.828 33.2748124808 244.4786284199 -48.66920 -0.01831 -0.04465 -0.00406 0.00154 0.00150 0.00575 -0.047 -0.158 0.063 wfree 20080430 115900 54586.4993 -2299767.42047 -4816937.89836 3479453.53947 0.00311 0.00555 0.00402 0.737 -0.682 -0.828 33.2748124711 244.4786284170 -48.66292 -0.01940 -0.04492 0.00222 0.00192 0.00193 0.00702 0.028 -0.088 0.023 wfree 20080507 115900 54593.4993 -2299767.42024 -4816937.89749 3479453.53859 0.00272 0.00482 0.00345 0.751 -0.684 -0.815 33.2748124688 244.4786284152 -48.66414 -0.01965 -0.04509 0.00100 0.00172 0.00164 0.00607 0.022 -0.120 -0.001 wfree 20080514 115900 54600.4993 -2299767.42032 -4816937.89971 3479453.53941 0.00266 0.00471 0.00336 0.756 -0.686 -0.812 33.2748124649 244.4786284246 -48.66199 -0.02008 -0.04421 0.00315 0.00169 0.00159 0.00593 0.018 -0.129 -0.005 wfree