For the one-hundred eighth edition of the GeoGearHeads John Robb returns to talk about lasers and geocaching. On his fourth appearance, John Robb (of Cache At Night who caches under teamvoyagr) shares some of the issues to consider when attempting a laser-based geocache, advantages, disadvantages, and some examples. John's first laser cache was "After Dark Duet" (GC24MXZ) which lead him and his partner to create "BFL Boot Camp V - Alien MacGyver" (GC2EYDW). So other example laser caches are "BFL VI - ...in a galaxy far, far away" (GC35FHF) and "BFL 7: Sin - Blinded By The Light" (GC40V3B). He also provided the "Angular Size Calculator" page for helping calculate errors. A couple of caches created with their Laser Loci are "Knights Templar" (GC4Q90W) and "GAG20 - Loki (NIGHT CACHE)" (GC4NWN9). Thanks to StevensAdInfinitum and Two_Drews for their audio feedback used in this episode. Congratulations to subwaymark for submitting the winning answer for this week's question. Thanks to Cache At Night for their donation of this week's gift! The live video session from this Google+ Hangout On Air can be found on YouTube.
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