Paul A Schwartz
3 Jun 1968
- Rio Cuyuni +13km.
- 6.38 -58.68
- 150 meters
- NAGRA III
- Electro-Voice 650
- Parabola 91.4cm (36in)
NOTES: Neotropical Institute Cut # 6. Bulk reel: 123
a) Natural song (male). At end some experiment with gain for purposes of sona-gram. Quality: 1. Level: +8,+3.
b) Apparent alarm calls due to my presence as I had walked inside woods. Also some song and some very sharp call notes. (There had been no playback.) Quality: 1, +2. Level: +3,+5. No parabola.
LNS Note: Internal announcements' amplitudes raised without change to song interval -JN