Environmental

ML147684


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NPR/NGS Radio Expeditions
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Slidell Municipal Airport
St. Tammany, Louisiana, United States
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Latitude and Longitude 30.3838, -89.7149 Map

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Tags
; Environmental;
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Habitat: ; ; Equipment Notes: DPA 4060 omni mics used for standard stereo recording, Subject 1, Location 1. Decoded MS stereo, with Sonosax SX-M2 mic pre-amp, Subject 2, Location 2. Radex Woodpeckers Log First Trip Jan 15-17 2002 Tape 3 01 00000 At Slidell Airport, slate dual omnis DPA4060, prepping to go on airplane flight over Pearl River 02 00100 chat with David Luneau about mikes, wind noise, looking at map to show where we'll fly; 00200 windscreens on so sound is better; 00230 we choose seats and get on plane (Martjan and pilot front, Alison and me rear) 00320 settling into cabin (didn't get pilot's name) 00520 doors close, 00543 motors fire up, we start taxiing, plenty of motor noise 01030 begin to experiment with putting right channel mike inside headset to get intercom, barely audible at this stage , gets better later 03 01629 marker to check conversation 04 01730 Martjan and Alison talk about tree types, sweet gum and other description of area, trying to locate us on map (this can be made intelligible from right channel signal with filtering and dynamics processing) 05 01900 end conversation for a while 06 02300 change miking so both mikes are inside intercom headsets, com is audible now in both channels 02500 lots of dead trees there¿can we look over there? 09 02550 you see Alison, all the dead trees, looks like an old burn isn't it? Continues flight, lots of PNO marks where there are intercom voices, do more detailed log later 33 05030 arrive back at airport, engine stops, Martjan gets GPS readings off the airplane's GPS of locations spotted from air for future study from the ground 35 05310 more description of GPS marker locations, get out of plane 36 05900 end airport section with omnis, make reference to heading for bunkhouse 37 10000 new location, Thursday Jan 17, 8:31am at the end of Indian Bayou Road south of old Hwy 11 in Pearl River WMA. Rest of this tape is MS MKH50/MKH30 mikes. Birds call, lots of distant rumble from Interstate 59 and train track running parallel to I59. Mike pointed up 45 degrees, facing SE, HP filter not yet engaged on Sonosax. 38 01530 airplane flies over 39 10630 same spot, lowered mike angle to almost horizontal, higher gain, HP filter now engaged, will still need more filtering in post, but bird calls are more audible. 10747 boost gain more 40 10820 woodpecking sounds audible in distance with other birds 41 nice close bird call 42 11710 another active bird, several close agitated birds in fact, pecking too 43 12110 after preamp battery died, aimed back up 45 degrees and SE, some VERY active birds in side channel 44 12310 steady chirping, several other birds too 45 12410 re-aim mike to W, aimed over cypress swamp, adjust gain, traffic in distance is more audible but birds in this direction are most active too. A pileated is sighted, along with several smaller woodpeckers 46 12500 several calls of two birds of one species, echoing nicely off trees 47 12710 several active birds 48 13140 pecking, several active birdcalls too 49 13335 some close, deep pecking from pileated, unfortunately there's also an airplane through this section 50 13505 pecking persists, then several peckers at once, still some airplane too 51 13640 active close high-pitched bird, some pecking 52 13840 pecking from several birds, other calls too 53 13900 pecking continues 54 14100 wonderful close bird calls 55 14255 very active several birdcalls, agitation, some pecking 56 14715 very close different bird 57 14845 another very active bird, in the midst of an airplane flyover (or is it a train?) 58 14930 fairly close pecking sounds, birdcalls 59 15040 more close pecking and birdcalls, great calls! 60 15345 hunter is back at his truck nearby, so some distracting noises, more birdcalls 61 15510 high pitched bird call, other species calling too 62 15615 train whistle a... (Notes truncated)

Technical Information

Recorder
Microphone
Sennheiser MKH 30; Sennheiser MKH 50
Accessories

Archival Information

Cataloged
22 Jan 2010 by David McCartt
Digitized
22 Jan 2010 by David McCartt
Edited
22 Jan 2010 by David McCartt