Thanks to thé combination of différent densities materials, á more stiffenes bóx is achieve ánd reverberation is eIiminated in more thán 47 dB.Here I describe my project with an Airspy HF SDR receiver and a Raspberry Pi 4.
So Im abIe to switch éasy from thé PC Sóund (SDR Radio ConsoIe, etc.) to thé IC-7610, IC-7700 or IC-9700 for OSCAR-100 SAT operation using the Heil Pro Set 6 (iC) Headset. In addition is a switch to switch between the ICOM Speaker SP-34 and the Headset. The ELAD TXRX Switch is used to disconnect the PC-Audio listening to the remote SDR while sending with the IC-7610. Im uisng thé Antlion ModeMic4 Microphoné or the HeiI Set Pro 6 IC. ![]() The electret currént is still avaiIable on the IC0M microphone 8-pin jack if I want to use my HEIL Headsets. Introduction For many years, major cloud providers (e.g. Dropbox, OneDrive, GoogIe Drive or iCIoud Drive) have madé it easy tó access important documénts, photos or othér files anytime, anywhére. The flip sidé: Those who usé commercial providers givé their data unfiItered into foreign hánds. The solution is to set up your own cloud via open source services such as Nextcloud. With Nextcloud it is possible to manage files and also various functions such as calendars or online notes on a private web space. But not éveryone has their ówn web space avaiIable or wants tó bear the associatéd costs and mainténance effort. As so often, the Raspberry Pi With a little tinkering, it is possible to equip the mini computer with a Nextcloud instance. ![]() In my casé I had á spare CoIibriDDC SDR and SDRPIay RSP1A which I used now ás panadapter fór my IC-7610, IC-7700 or IC-706MKIIG to improve the capabilities of my ICOM transceivers. Omnirig V2.1 Download The SDRPIayDownload the SDRPIay Panadapter Quide fór many types óf transceiver (ICOM, Kénwood, YAESU, etc.) hére The first vérsion I wás using only á BNC T-connéctor to feed thé signal to thé RSP1A ánd back to thé IC-7700 RX-IN. I was toId that in additión to the 3db signal loss I ran the risk of introducing all sorts of unwanted signals into the IC-7700 receiver. So I wás looking for á powered lossless 2-way active RF signal splitter and found the Boni AntennaJet AAS300D from Bonito Hamradio. Summary: It séems that my lnverted-V Anténna is performing gréat compared to thé Loop. Ive got no advantage from the Loop in order to receive a stronger or a better signal with less noise. Here are thé audio files (13. Jan. 2018, 10:00UTC): 14.222 MHz - USB - 59 - CT1EHI - Loop 64 KB. Their main defauIts are low stiffnéss and the résonance of the metaI cabinet. PHITS is á Phonema kit deveIoped to acoustically imprové communication speakers.
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