Caption: W8UM Tower with 3-Element SteppIR. J.Palmisano
Caption: Viewing Solar Activity. J. Palmisano
Caption: Sun Spots using a White-Light Filter. P. Seitzer
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| W8UM |
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Caption: W8UM Tower with 3-Element SteppIR. J.Palmisano Caption: Viewing Solar Activity. J. Palmisano Caption: Sun Spots using a White-Light Filter. P. Seitzer |