http://www.jimlovellphoto.com/new-folder daily 0.75 2013-02-20 http://www.jimlovellphoto.com/jimlovellphot daily 0.75 2015-03-02 http://www.jimlovellphoto.com/jimlovellphot/2015/2/26/a-change-of-direction monthly 0.5 2015-03-02 https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1425321809516-PT3H97TCF292CYB0WDH4/image-asset.jpeg Photography Blog - A Change of Direction You won't be seeing much of this sort of thing from me anymore https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1425322278148-EN9UIFCL94LG6M7PM0E9/20150118_15_52_23_.jpg Photography Blog - A Change of Direction http://www.jimlovellphoto.com/jimlovellphot/2013/12/13/revisiting-an-old-friend-part-2 monthly 0.5 2013-12-13 https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1386904571202-VRFINYU2NZ27IEXUSFS0/20130115_19_51_14_.jpg Photography Blog - Revisiting an old friend, part 2 Hazards Silhouette 2 http://www.jimlovellphoto.com/jimlovellphot/2013/12/10/revisiting-an-old-friend monthly 0.5 2013-12-13 https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1386673064599-8ZUS5PHNCXZM9NJPRRE6/HazardsSilhouette.jpg Photography Blog - Revisiting an old friend Hazards Silhouette http://www.jimlovellphoto.com/jimlovellphot/2013/3/5/quick-suggestions-on-how-to-improve-your-photography-6-a-favourite-location monthly 0.5 2015-02-25 https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1362453145252-Z59NFI33SJLO8M27OTGS/iphone-20130305154039-0.jpg Photography Blog - How to improve your photography #6: A Favourite Location http://www.jimlovellphoto.com/jimlovellphot/2013/3/5/quick-suggestions-on-how-to-improve-your-photography-5 monthly 0.5 2015-02-25 http://www.jimlovellphoto.com/jimlovellphot/2013/3/3/quick-suggestions-on-how-to-improve-your-photography-4 monthly 0.5 2015-02-25 https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1362186014931-5GRD2I2FFIQHRH9QHXT4/hint4.jpg Photography Blog - How to improve your photography #4 http://www.jimlovellphoto.com/jimlovellphot/2013/3/3/quick-suggestions-on-how-to-improve-your-photography-3 monthly 0.5 2015-02-25 https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1362185836231-8AOB6EHX0LQ6A6Q0RZ1R/hint3.jpg Photography Blog - How to improve your photography #3 http://www.jimlovellphoto.com/jimlovellphot/2013/3/2/quick-suggestions-on-how-to-improve-your-photography-2 monthly 0.5 2015-02-25 http://www.jimlovellphoto.com/jimlovellphot/2013/3/2/quick-suggestions-on-how-to-improve-your-photography-1 monthly 0.5 2015-02-25 http://www.jimlovellphoto.com/jimlovellphot/2012/07/hints-on-taking-better-photos-5-go-with.html monthly 0.5 2020-08-25 https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1361495944961-AZ00TDG3EFMHTKL42UVQ/_MG_4502-as-Smart-Object-1.jpg Photography Blog - Hints on taking better photos #5: Go with the flow https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1361494659226-RXW2MT314ZQYWBLOC8P6/2012_05_07__MG_4523.jpg Photography Blog - Hints on taking better photos #5: Go with the flow https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1361448721853-EJAGXHXGGXWLP2O1RGH2/9128_157819428558_2523080_n.jpg Photography Blog - Hints on taking better photos #5: Go with the flow https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1361448496339-ZJ5C1X45OQL3ZV7ALXVX/466960_10150771782358559_744902572_o.jpg Photography Blog - Hints on taking better photos #5: Go with the flow http://www.jimlovellphoto.com/jimlovellphot/2012/05/hints-on-taking-better-photos-4-leading.html monthly 0.5 2013-02-22 https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1361447632098-FKVOJA1MWNGWE6F52C0B/SunsetatAdventureBay.jpg Photography Blog - Hints on taking better photos #4: Leading Lines https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1361447585039-N8O5U6DUUPJIYCBHD3VG/26594_377075403558_3522446_n.jpg Photography Blog - Hints on taking better photos #4: Leading Lines http://www.jimlovellphoto.com/jimlovellphot/2012/05/long-exposures.html monthly 0.5 2013-02-22 https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1361489778852-EKEYK6RGKWYMIXI4JV8N/11994263.jpg Photography Blog - Long exposures Path from the Falls http://www.jimlovellphoto.com/jimlovellphot/2011/11/hints-on-taking-better-photos-3-take.html monthly 0.5 2013-02-22 https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1361489525866-M6NSOWYG1XAV9SN35EJC/Screenshot_22_02_13_10_30_AM-4.png Photography Blog - Hints on taking better photos #3: Take lots of photos http://www.jimlovellphoto.com/jimlovellphot/2011/11/hints-on-taking-better-photos-2-keep-it.html monthly 0.5 2013-02-22 https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1361264680274-CJI3FDXOGHNXIDE5UHW3/dove_lake.jpg Photography Blog - Hints on taking better photos #2: Keep it Simple Dove Lake, Cradle Mountain https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1361264603225-135MM59OSLGNWKU6IR4G/pat.jpg Photography Blog - Hints on taking better photos #2: Keep it Simple http://www.jimlovellphoto.com/jimlovellphot/2011/11/hints-1-rule-ofhtml monthly 0.5 2020-08-24 https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1361264366030-ZT9IT1CZ6N2XG0XG35Y2/nitmiluk_rot.jpg Photography Blog - Hints on taking better photos #1: Rule of Thirds https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1361264459620-SPK0BEA4DGVL4FT53WYM/rot_pat_1.jpg Photography Blog - Hints on taking better photos #1: Rule of Thirds https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1361264263861-2ZSHFE0TH66F5FSQWFDM/rot_nl_3.jpg Photography Blog - Hints on taking better photos #1: Rule of Thirds https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1361264411841-GRCIBM12ITVBHM4A52XS/rot_bh_1.jpg Photography Blog - Hints on taking better photos #1: Rule of Thirds Mt Rugby Reflections, Bathurst Harbour https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1361264164897-XR3K62IKZZC8LWX622Y9/nitmiluk.jpg Photography Blog - Hints on taking better photos #1: Rule of Thirds Sunrise at Nitmiluk, Northern Territory http://www.jimlovellphoto.com/jimlovellphot/category/hints monthly 0.5 http://www.jimlovellphoto.com/jimlovellphot/category/technique monthly 0.5 http://www.jimlovellphoto.com/jimlovellphot/category/landscape monthly 0.5 http://www.jimlovellphoto.com/jimlovellphot/tag/Tasmania monthly 0.5 http://www.jimlovellphoto.com/jimlovellphot/tag/sunset monthly 0.5 http://www.jimlovellphoto.com/jimlovellphot/tag/Freycinet monthly 0.5 http://www.jimlovellphoto.com/jimlovellphot/tag/Australia monthly 0.5 http://www.jimlovellphoto.com/portfolio daily 0.75 2020-02-27 https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1533372719034-TBNYRAGW0RAI36DFK27R/20170502_06_19_59_.jpg Photo Gallery - Stones of Stenness Sunrise at the Stones of Stenness, Orkney https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1533372719034-TBNYRAGW0RAI36DFK27R/20170502_06_19_59_.jpg Photo Gallery - Stones of Stenness Sunrise at the Stones of Stenness, Orkney https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1532751904429-OU3B2UYRHU9WN25KA2ZW/20180117_05_50_13_.jpg Photo Gallery - Friendly Beaches Sunrise Sunrise at the Friendly Beaches, Freycinet, Tasmania https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1389083744489-JF3MJIJ0TU21P2H3OO7H/20130115_19_51_14_.jpg Photo Gallery - Hazards Silhouette, Freycinet National Park, Tasmania The Hazards, Freycinet National Park, Tasmania at sunset. https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1359092944287-1U8LNUUEY468IING92B4/2012_01_18_IMG_1566_67_69_70_71-Edit.jpg Photo Gallery - Freycinet Sunset, Freycinet National Park, Tasmania Sunset near Honneymoon Bay, Freycinet National Park, Tasmania https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1380246384118-OKSMNNSRDT2EF63MMGZR/2013_05_24__MG_4166.jpg Photo Gallery - Fallen Fagus, Mt Field, Tasmania https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1360467199924-PEWAT344Q5W2YIKEZI94/Hazards_at_Sunset.jpg Photo Gallery - The Hazards at Sunset, Freycinet National Park, Tasmania The Hazards, Freycinet National Park, Tasmania https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1361054065624-U1GY8V9Y8C9XI7PY8ML8/2013_01_17__Richardsons_Beach.jpg Photo Gallery - Richardson's Beach The Hazards from Richardson's Beach, Freycinet National Park, Tasmania https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1359776605309-UIPWF90YU9P7TWD17ZZM/2012_10_19_IMG_8957_HDR+copy-2.jpg Photo Gallery - Secret Falls https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1359092659050-NZPKX5K0NGOUBKDKGKJC/2012_06_09__MG_5340.jpg Photo Gallery - Marion Bay Simplified Marion Bay, Tasmania https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1359092758087-C14EGWBVOX4N3BY8OHO4/2012_08_17_IMG_7327.jpg Photo Gallery - Hope Beach Hope Beach, South Arm, Tasmania https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1380250500095-837CHC92WU0FHN17LVZ0/2013_08_09_IMG_5351_HDR_1.jpg Photo Gallery - Betsy Island from Hope Beach https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1379638250378-N1Y3UPNFO3F1C21F7YU5/2013_08_19_IMG_5655.jpg Photo Gallery - Window A cascade at Snug Falls, Tasmania https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1369129317835-AYN2FINLIP25H1X8NZPG/2013_04_29_IMG_3845_HDR_manual_flat-2.jpg Photo Gallery - Boat Harbour Sunrise 2 https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1371067855080-89F8NH3LSBLSZNMRI5AJ/2013_04_15_IMG_3381.jpg Photo Gallery - Fagus at Mt Field https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1365146970201-3YSNFD2TLE2CCL89Z17R/2013_01_28__MG_2209.jpg Photo Gallery - Red Yacht, Foggy Morning On the Huon River https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1376628266930-MDWASNPAOU9K44LUGMY5/2013_08_12_IMG_5555.jpg Photo Gallery - Secret Falls 2 https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1365535690689-37HYDO9986TK1T05MTJ5/Fagus_2013_1.jpg Photo Gallery - Fagus turning Fagus at Mt Field National Park, early April 2013. The colours are just starting to change. Fagus or Deciduous beech (Nothofagus gunnii) is endemic to Tasmania and is Australia’s only winter deciduous tree. https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1360467133332-T5R2J8HH8XJ2IAE6W3RP/2012_06_22_IMG_5720_19_26_22_21-2.jpg Photo Gallery - Rocks and Ice Rocks and Ice, Mt Wellington, Tasmania https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1361497163546-E05Z3GN4NH226EQGWO4V/2012_05_25_IMG_4996-Edit.jpg Photo Gallery - Horseshoe Falls Horseshoe Falls, Mt Field National Park, Tasmani https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1359092885622-SZC4HB2SEOHU4A0MYSFO/2006_02_24__MG_1556_HDR.jpg Photo Gallery - Mount Rugby Reflections Bathurst Harbour and Mount Rugby, Southwest Tasmania, Australia https://static1.squarespace.com/static/51021b4ce4b0202016c79ee5/51021ec2e4b0696772bfaa4a/5244e326e4b0dedb521b2daf/1380246310975/ Photo Gallery - Fallen Fagus, Mt Field https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1454295872120-S307S6MZF1W0NZHBHO96/20131207_13_04_17_.jpg Photo Gallery - Waratah, Mt Wellington, Tasmania https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1454295886435-QA9XLAKDK1SK3XXKF98V/20120622_13_26_44_.jpg Photo Gallery - Icy Richea Scoparia, Mt Wellington, Tasmania https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1454295900210-JPEAQIA9HURTY9TCEAX0/20130225_10_55_00_.jpg Photo Gallery - Pandani, Lake Dobson, Tasmania https://static1.squarespace.com/static/51021b4ce4b0202016c79ee5/51021ec2e4b0696772bfaa4a/5244f37ee4b00a14858df4ee/1380250494064/ Photo Gallery - Betsy Island from Hope Beach https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1454295987741-BK9D7PKDL9LS4OXP0555/20110425_12_34_45_.jpg Photo Gallery - Boulders at Bay of Fires, Tasmania https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1454295961508-UU7ULVMVBNKA21APJNXM/20130427_11_55_18_.jpg Photo Gallery - Boat Harbour Beach on a windy day, Tasmania https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1454295986640-22OV2WVMUBCFZN1M6XSY/20131028_09_34_38_.jpg Photo Gallery - Betsey Island, Tasmania https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1533464669669-CJFAVFICSVYMQCKCKHRR/20180117_06_41_27_.jpg Photo Gallery - Richardsons Beach, Freycinet The Hazards from Richardsons Beach at sunrise, Freycinet National Park, tasmania https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1543701594952-J4ZLAKDOO8TTQGZ1X0RJ/20181120_18_17_55_.jpg Photo Gallery http://www.jimlovellphoto.com/built daily 0.75 2016-08-01 https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1470013231641-7LC41WUE2APTV8TKEQ46/Mt+P+pano+v3.jpg Gallery: Built - Mount Pleasant Observatory https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1470013231641-7LC41WUE2APTV8TKEQ46/Mt+P+pano+v3.jpg Gallery: Built - Mount Pleasant Observatory https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1439162987969-BSR4J0ZQVR50X4L40QJQ/Panorama_1_Mt_Pleasant.jpg Gallery: Built - Mt Pleasant Panorama The 26m radio telescope at Mt Pleasant, Cambridge, Tasmania https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1365842186814-516A04MHB6OOYMXFEGXY/2012_11_15_20121115-IMG_9737-Edit-3-Edit.jpg Gallery: Built https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1361320941292-5T73MMWZFKJMKQ8L85GG/20121115-IMG_9763-Edit.jpg Gallery: Built https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1361320908712-U0UM18YZZ9RS04PV7Y3A/2012_11_30_IMG_0025-Edit-2.jpg Gallery: Built https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1361320953156-RENQB8ETUJ5KC8IGJ8RG/Port_Huon_B%2BW_2.jpg Gallery: Built https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1365375088300-HKYK5HWO0DQLMX30QBUZ/2012_03_02__MG_2601_HDR.jpg Gallery: Built - Waiting At Gotteszell, Germany https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1454296325950-D44RFINSTJ64Z4Z1WIKE/20141006_12_59_01_.jpg Gallery: Built - Ceiling, Natural History Museum, London http://www.jimlovellphoto.com/batto-blog daily 0.75 2021-02-02 http://www.jimlovellphoto.com/batto-blog/2021/2/3/more-bat-tracking-and-thoughts-on-a-batto-mark-iii monthly 0.5 2021-02-03 http://www.jimlovellphoto.com/batto-blog/2021/1/2/more-data-more-fly-bys monthly 0.5 2021-01-02 https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1609559718600-WIUTBP6YLYXUBHMJ3TO2/MarkII_20201212_213901.gif Batto Blog - More data, more fly-bys https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1609541841317-URA1KE1I3CZVN4W6N7D5/DataEditorScreenshot_20201212_213901.png Batto Blog - More data, more fly-bys http://www.jimlovellphoto.com/batto-blog/2020/12/10/tracking-a-bat-fly-by monthly 0.5 2020-12-10 https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1607570207623-IV1RB1Q2PQVT0Y5GGJC6/Figure_1_chirpedit.png Batto Blog - Data processing a bat fly-by Data fitting and inspection software for localising the audio signals. The left-hand panels show amplitude vs frequency on the top with phase vs frequency for each baseline below. The map in the top right is an all-sky map with the colours indicating how well the data phase matches a sky position. https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1607566460101-JVDWMYGN6175JVM6QTXG/anim_0266.png Batto Blog - Data processing a bat fly-by Spectrogram (top) and sky map showing a bat flight through the back garden. http://www.jimlovellphoto.com/batto-blog/2019/12/6/batto-mkii monthly 0.5 2019-12-05 https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1575585798876-N34SI09E8U9DVQRLTRMW/IMG_2020.jpg Batto Blog - Batto MkII The Batto MkII in the field. The main board is in the centre of the picture and the 4-microphone array on the left. Not a thing of beauty, but it works :-) http://www.jimlovellphoto.com/batto-blog/2019/6/18/the-bat-was-flying-the-other-way monthly 0.5 2019-06-18 https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1560824449705-MHLVLJOZDBLQ1XKRBXTP/direction_fit.png Batto Blog - The bat was flying the other way! Modelled bat trajectory. This is not a unique solution. A constant height has also been assumed in this case. https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1560823293611-AG6Q5B3PQQWAV204EF83/fig_bat_delays_spectrogram.png Batto Blog - The bat was flying the other way! Spectrogram showing the delay measured between the microphone pair for a single bat call. The smaller panels show amplitude and delay as a function of frequency and time for the two cross-sections indicated by the red lines. https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1560824189186-L0KPL0EE1DMHOILO6J6P/bat_cal_mpanel_2.png Batto Blog - The bat was flying the other way! Spectrogram of the bat observation with a revised rising-phase analysis technique. Cross-sections in time and frequency for SNR (amplitude), Direction vs time indicated by vectors and in the panel below amplitude. Phase vs frequency is also shown on the right and again shows how the lower frequency end is better behaved. https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1560823713618-MK5I6WPJKU61P4JLNZW8/fig_ragefinder_delays_spectrogram.png Batto Blog - The bat was flying the other way! A delay spectrogram for an artificial source. The delay cross-section plots show additional lines representing delays with +/- a cycle of phase. http://www.jimlovellphoto.com/batto-blog/2019/6/7/bat-flight-model monthly 0.5 2019-06-07 https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1559890739252-7SLVAR0X7RXPFM84P9SU/model.png Batto Blog - Bat flight model A model for the bat’s flight across our back garden. Data in orange and the model in blue. Starting positions and the velocity components in x, y and z are shown. http://www.jimlovellphoto.com/batto-blog/2019/6/6/signal-directions monthly 0.5 2019-06-06 https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1559800977881-XYVN4PKPZ8DERWBNIBN7/Figure_1.png Batto Blog - Signal Directions https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1559793905860-T8KD0U74KSQL8H066IBV/bat_cal_mpanel_2.png Batto Blog - Signal Directions A long-eared bat (Nyctophilus spp) (I think!) observed on 23 Jan 2019. The main panel shows the spectrogram and the white vectors are the measurements of direction to the signal (vector length is related to signal strength). The top two panels show signal strength (measured in signal-to-noise ratio) and direction as a function of time at 38 kHz (indicated by the horizontal line). The two right panels show SNR and direction as a function of frequency (indicated by the vertical line) at the time of the peak. Note the clear change in direction as the bat flies past! https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1559799647121-FECQIQNLHCAWK3YFCV5J/Figure_2.png Batto Blog - Signal Directions Amplitude, phase and delay against frequency for a 0.02 sec sample. https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1559784887948-ARAR4T23Y2TRZNEO82K9/bird_cal_sensitivity.png Batto Blog - Signal Directions Sensitivity to direction as a function of signal strength for the little wattlebird observation. https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1559783706172-2DLX3WC9KR8SCASHT48N/bird_cal_mpanel.png Batto Blog - Signal Directions A little wattlebird (Anthochaera chrysoptera), observed on 10 Jan 2019. The main panel shows the spectrogram and the white vectors are the measurements of direction to the signal (vector length is related to signal strength). The top two panels show signal strength (measured in signal-to-noise ratio) and direction as a function of time for the frequency of the loudest signal (2.9 kHz, indicated by the horizontal line). The two right panels show SNR and direction as a function of frequency (indicated by the vertical line) at the time of the peak. http://www.jimlovellphoto.com/batto-blog/2019/5/29/its-just-a-phase-im-going-through monthly 0.5 2019-05-29 https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1559108619539-5H9AD7KCP0JFEZ77KUON/perpendicular_test_cal_10s_later.png Batto Blog - It's just a phase I'm going through Perpendicular data calibrated with a solution obtained 10 seconds earlier. The second panel shows the uncalibrated (blue) and calibrated (orange) phases. Calibrated delays and directions are shown in the lower two panels. https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1559108996745-4BTM3BWBYN3ZA6IF3TMS/45deg_test_cal.png Batto Blog - It's just a phase I'm going through Data taken with the baseline at about 45 deg to the sound direction, calibrated with a solution obtained 2 minutes earlier. The second panel shows the uncalibrated (blue) and calibrated (orange) phases. Calibrated delays and directions are shown in the lower two panels. https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1559107894445-YV6DW6R6EHXXZQXDZ34M/zero_delay_test.png Batto Blog - It's just a phase I'm going through Audio interferometer response to a signal perpendicular to the baseline. http://www.jimlovellphoto.com/batto-blog/2019/5/16/snr-from-observations monthly 0.5 2019-05-29 https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1557979947811-GD8K2WFBE25Z2FWWGQ5G/image-asset.png Batto Blog - SNR from observations https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1557979708352-YXKOFJTOH4QAHEANSPRV/image-asset.png Batto Blog - SNR from observations https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1557980135597-7DIYKCY9OLLZ43MWU0JE/data_bird_SNR_vs_signal.png Batto Blog - SNR from observations http://www.jimlovellphoto.com/batto-blog/2019/5/15/two-microphones-are-better-than-one monthly 0.5 2019-05-15 https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1557914039614-4E4YMB4U7V3UK34W54M0/sim_noise_floor_vs_common_noise.png Batto Blog - Two microphones are better than one Simulated noise floor as a function of the fraction of noise common to both signals. https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1557914574754-RYQFR6264U5LKYQGP6U3/sim_SNR_vs_signal_in.png Batto Blog - Two microphones are better than one Signal to noise ratio (SNR) as a function of simulated input signal strength https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1557914466820-PX1SZTIMGCZXCPTL0I7S/sim_signal_in_vs_out.png Batto Blog - Two microphones are better than one https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1557914251652-XM2KBLD1R67J17NTILPK/data_noise_floors.png Batto Blog - Two microphones are better than one The noise floor for two microphones, their sum and cross-correlation https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1557914333895-S2VTNYEAFOPUYEXKTCNS/data_noise_floors_ratios.png Batto Blog - Two microphones are better than one Comparison of noise floors on individual microphones with summed and crossed-correlated signals. http://www.jimlovellphoto.com/batto-blog/2019/2/6/what-is-batto monthly 0.5 2019-06-05 https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1557881980286-XGKO8YY0FEXHF8DJJKLJ/IMG_1179.jpg Batto Blog - What is Batto? The Batto Mk-I. 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https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1612302570806-F0F8ALWERO3YKSBIOCAD/auscope_array.jpg VLBI and research consulting The AuScope VLBI array, consisting of 12m antennas at Hobart (Tas), Katherine (NT) and Yarragadee (WA) http://www.jimlovellphoto.com/home daily 1.0 2024-08-24 https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1533372719034-TBNYRAGW0RAI36DFK27R/20170502_06_19_59_.jpg Astro Acoustics - Stones of Stenness Sunrise at the Stones of Stenness, Orkney https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1532751904429-OU3B2UYRHU9WN25KA2ZW/20180117_05_50_13_.jpg Astro Acoustics - Friendly Beaches Sunrise Sunrise at the Friendly Beaches, Freycinet, Tasmania https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1389083744489-JF3MJIJ0TU21P2H3OO7H/20130115_19_51_14_.jpg Astro Acoustics - Hazards Silhouette, Freycinet National Park, Tasmania The Hazards, Freycinet National Park, Tasmania at sunset. https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1359092944287-1U8LNUUEY468IING92B4/2012_01_18_IMG_1566_67_69_70_71-Edit.jpg Astro Acoustics - Freycinet Sunset, Freycinet National Park, Tasmania Sunset near Honneymoon Bay, Freycinet National Park, Tasmania https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1380246384118-OKSMNNSRDT2EF63MMGZR/2013_05_24__MG_4166.jpg Astro Acoustics - Fallen Fagus, Mt Field, Tasmania https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1360467199924-PEWAT344Q5W2YIKEZI94/Hazards_at_Sunset.jpg Astro Acoustics - The Hazards at Sunset, Freycinet National Park, Tasmania The Hazards, Freycinet National Park, Tasmania https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1361054065624-U1GY8V9Y8C9XI7PY8ML8/2013_01_17__Richardsons_Beach.jpg Astro Acoustics - Richardson's Beach The Hazards from Richardson's Beach, Freycinet National Park, Tasmania https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1359776605309-UIPWF90YU9P7TWD17ZZM/2012_10_19_IMG_8957_HDR+copy-2.jpg Astro Acoustics - Secret Falls https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1359092659050-NZPKX5K0NGOUBKDKGKJC/2012_06_09__MG_5340.jpg Astro Acoustics - Marion Bay Simplified Marion Bay, Tasmania https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1359092758087-C14EGWBVOX4N3BY8OHO4/2012_08_17_IMG_7327.jpg Astro Acoustics - Hope Beach Hope Beach, South Arm, Tasmania https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1380250500095-837CHC92WU0FHN17LVZ0/2013_08_09_IMG_5351_HDR_1.jpg Astro Acoustics - Betsy Island from Hope Beach https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1379638250378-N1Y3UPNFO3F1C21F7YU5/2013_08_19_IMG_5655.jpg Astro Acoustics - Window A cascade at Snug Falls, Tasmania https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1369129317835-AYN2FINLIP25H1X8NZPG/2013_04_29_IMG_3845_HDR_manual_flat-2.jpg Astro Acoustics - Boat Harbour Sunrise 2 https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1371067855080-89F8NH3LSBLSZNMRI5AJ/2013_04_15_IMG_3381.jpg Astro Acoustics - Fagus at Mt Field https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1365146970201-3YSNFD2TLE2CCL89Z17R/2013_01_28__MG_2209.jpg Astro Acoustics - Red Yacht, Foggy Morning On the Huon River https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1376628266930-MDWASNPAOU9K44LUGMY5/2013_08_12_IMG_5555.jpg Astro Acoustics - Secret Falls 2 https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1365535690689-37HYDO9986TK1T05MTJ5/Fagus_2013_1.jpg Astro Acoustics - Fagus turning Fagus at Mt Field National Park, early April 2013. The colours are just starting to change. Fagus or Deciduous beech (Nothofagus gunnii) is endemic to Tasmania and is Australia’s only winter deciduous tree. https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1360467133332-T5R2J8HH8XJ2IAE6W3RP/2012_06_22_IMG_5720_19_26_22_21-2.jpg Astro Acoustics - Rocks and Ice Rocks and Ice, Mt Wellington, Tasmania https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1361497163546-E05Z3GN4NH226EQGWO4V/2012_05_25_IMG_4996-Edit.jpg Astro Acoustics - Horseshoe Falls Horseshoe Falls, Mt Field National Park, Tasmani https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1359092885622-SZC4HB2SEOHU4A0MYSFO/2006_02_24__MG_1556_HDR.jpg Astro Acoustics - Mount Rugby Reflections Bathurst Harbour and Mount Rugby, Southwest Tasmania, Australia https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1454295872120-S307S6MZF1W0NZHBHO96/20131207_13_04_17_.jpg Astro Acoustics - Waratah, Mt Wellington, Tasmania https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1454295886435-QA9XLAKDK1SK3XXKF98V/20120622_13_26_44_.jpg Astro Acoustics - Icy Richea Scoparia, Mt Wellington, Tasmania https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1454295900210-JPEAQIA9HURTY9TCEAX0/20130225_10_55_00_.jpg Astro Acoustics - Pandani, Lake Dobson, Tasmania https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1454295987741-BK9D7PKDL9LS4OXP0555/20110425_12_34_45_.jpg Astro Acoustics - Boulders at Bay of Fires, Tasmania https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1454295961508-UU7ULVMVBNKA21APJNXM/20130427_11_55_18_.jpg Astro Acoustics - Boat Harbour Beach on a windy day, Tasmania https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1454295986640-22OV2WVMUBCFZN1M6XSY/20131028_09_34_38_.jpg Astro Acoustics - Betsey Island, Tasmania https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1533464669669-CJFAVFICSVYMQCKCKHRR/20180117_06_41_27_.jpg Astro Acoustics - Richardsons Beach, Freycinet The Hazards from Richardsons Beach at sunrise, Freycinet National Park, tasmania https://images.squarespace-cdn.com/content/v1/51021b4ce4b0202016c79ee5/1543701594952-J4ZLAKDOO8TTQGZ1X0RJ/20181120_18_17_55_.jpg Astro Acoustics