Amphibians are declining globally, and ponds are crucial for their survival. So, what makes a good amphibian pond? #TRANSPONDER (#BiodivMon) studied 201 ponds, highlighting the importance of local factors like chlorophyll-a and pond size.
https://doi.org/10.1111/ecog.07347

#Fernsehen
Morgen starten via #Satellit #Astra 19,2º Ost auf den bisher von der #ARD genutzten und nun abgeschalteten #SD-Sendeplätzen vier neue #Programm|e.
Zum einen handelt es sich um #DOKUSAT und #TELEGOLD, die bislang bereits vertreten sind und nun populärere #Transponder in besserer Bildqualität besetzen.
Zum anderen gehen mit #ONEMUSICTELEVISION und #ZWEIMUSICTELEVISION zwei #Musiksender für #Pop und #Schlager an den Start, die bislang nur via #IPTV zu empfangen waren.

Why is Britain still sending spy flights towards Gaza?

https://www.declassifieduk.org/why-is-britain-still-sending-spy-flights-towards-gaza/

Two RAF surveillance planes have flown over the eastern Mediterranean during the ceasefire, as campaigners demand inquiry into UK intelligence sharing with Israel…

Betrieb über Afu-Satelliten https://blog.funil.de/2828/sinuspl/deutsch/amateurfunk/betrieb-uber-afu-satelliten/ #amsat #hamradio #satellit #transponder #uhf #vhf

Today 6 years ago, #JY1Sat (JO-97) launched into space.
Built by students in Jordan in cooperation with ISISPACE and the AMSAT-UK/NL #FUNcube team.

Happy birthday, JY1Sat!

This 1U #CubeSat is still working, providing a linear #transponder which enables radio amateurs to communicate. #hamradio

#Fernsehen
Die über #Satellit #Astra 19,2ºOst ausgestrahlte unverschlüsselte #ORF2-Version #ORF2Europe wird ab
dem 3. #Dezember in #HD verfügbar sein. Genutzt wird hierfür der neue #Transponder 5.

#transponder podcast about #trans issues, with my friend Styler: https://tr.ee/Bliqp2VDDS

A white plane just crossed over me, relatively low and fast - no markings of any affiliation and it does not show up on Flightradar24 (Transponder turned off??)

Wondering what it'll cost to transmit Ku-Band, lease a #transponder - Expand the livestream a new way.

See Satellites in Broad Daylight with This Sky-Mapping Dish Antenna - If you look up at the night sky in a dark enough place, with enough patience you’r... - https://hackaday.com/2023/03/31/see-satellites-in-broad-daylight-with-this-sky-mapping-dish-antenna/ #geosynchronous #transponder #radiohacks #altazimuth #satellite #gimbal #orbit #dish #lnb #ka #ku

A #Russian #merchant #ship whose owner has allegedly carried weapons for the #Kremlin turned off its #transponder last month before surreptitiously docking at South Africa’s largest naval base, where it delivered and loaded unidentified cargoes, according to witnesses and a senior U.S. official. https://www.wsj.com/articles/russian-ships-secretive-south-africa-stop-prompts-u-s-questions-11673265353

Je reçois le relais transpondeur du Morvan F5ZVA qui se trouve à près de 250 km de chez moi avec une simple verticale, ce soir. Ça arrive de temps en temps mais ça a l'air de plus en plus régulier...
Évidemment je ne rentre pas dedans et je n'entends pas la voie UHF.
https://youtube.com/watch?v=w0fRwhLGwUA&feature=shares
#hamradio #vhf #transponder

Big #radio week! More lab work today for @OpenResearchIns and then a pile of documentation.

Last weekly #report for the year - plenty in there about #fpga work on #Haifuraiya (#microwave #transponder for #amateur HEO/GEO #satellite), advances on #Ribbit, some good #regulatory work on getting an EAR99 codebase released as #OpenSource, planning for #HamExpo, new talk in the works for #RATPAC, and more.

Looking forward to 2023.

Just How Do Aircraft Transponders Work Anyway? - Most of us will have a hazy idea of how radar works to detect aircraft by listening for reflected ... more: https://hackaday.com/2020/06/22/just-how-do-aircraft-transponders-work-anyway/ #transponder #teardown #aircraft