2. Basis of Presentation and Significant Accounting Policies: PASSUR Network (Details) - USD ($)			3 Months Ended
	Jan. 31, 2019	Oct. 31, 2018	Jan. 31, 2019	Jan. 31, 2018
Details
PASSUR Network Costs, Capitalized			$ 61,000	$ 67,000
Depreciation of PASSUR Network costs			205,000	$ 176,000
PASSUR NETWORK, Net (Rounded)	$ 4,649,000	$ 4,801,000
Part and Finished Goods for the PASSUR Network	$ 1,869,000	$ 1,892,000	$ 1,869,000