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The time interval between successive bursts from SGR 1806-20 and theintensity of these bursts are both consistent with lognormal distributions.Monte Carlo simulations of lognormal burst models with a range of distributionparameters have been investigated. The main conclusions are that while mostsources like SGR 1806-20 should be detected in a time interval of 25 years,sources with means about 100 times longer have a probability of about 5\% ofbeing detected in the same interval. A new breed of experiments that operatefor long periods are required to search for sources with mean recurrenceintervals much longer than SGR 1806-20.Comment: 4 pages, latex with seperate file containing 2 uuencoded, gzip'ed,  tarred, .eps figures. Replaced with file that does not use kluwer.sty to  allow automatic postscript generation. To appear in proceedings of ESLAB 2

Lognormal properties of SGR 1806-20 and implications for other SGR sources