If one photo is worth 1,000 words, this video is priceless. Watch Dennis Fowler, La Jolla Country Club, California, get some relief from compaction that developed in USGA greens following several years of shallow (3 inches deep) aeration practices. To ease compaction, deep tine aeration was conducted. You can judge for yourself how effective the process was for breaking through the compaction layer and reducing compaction throughout the green.
The process utilized a Weidenmann Terra Spike GXi with 0.25 inch diameter solid tines to a depth between 6 and 8 inches. The equipment was operated by Matt Marsh for Larry Lane of Turf Time West, Inc.