<div class="description">
<p>Journal of Research of the National Bureau of Standards
</p>
<br>Subjects: low-frequency propagation paths; arctic areas; transmitter; field intensity; Thule; Goose Bay; skywave; groundwave; flight; aircraft</div>
<div class="fn value">
<dl><dd>Watt, A.D.</dd>
<dd>Maxwell, E.L.</dd>
<dd>Whelan, E.H.</dd></dl></div>
Internet Archive identifier