Radio wave propagation : (HF bands) /
Judd, F. C.
Radio wave propagation : (HF bands) / F. C. Judd - ix, 145 pages : illustrations, maps, 1 portrait - Radio amateur's guide .
9780434909261
Radio wave propagation
Radio wave propagation : (HF bands) / F. C. Judd - ix, 145 pages : illustrations, maps, 1 portrait - Radio amateur's guide .
9780434909261
Radio wave propagation