Why Bother?You might wonder why I'd bother spending so much time worrying about EMI from the clock. There are basically two reasons. First, I want to be a good RF citizen. In my astrophotography hobby, I'm constantly battling light pollution, so I understand...
Dan Maloney 2:51 PM Gonna get started in about 10 minutes, folks Athsara Fernando 2:52 PM :) Mark J Hughes 2:53 PM Woohoo! Remind me Dan -- what comes after Part-D, but before Part-F? Eugene 2:55 PM Do we just join here and enjoy the ride? Sorry...
I happen to think that magnetic resonance imagers, or MRIs, are one of the most incredible machines that humans have built -- right along side spacecraft and large hadron colliders. MRIs are volumetric imagers, which means that they can scan inside objects...
When my station isn't in a radio silence and doing really Recon passively and connect my wire or buy 5G or Wi-Fi it will have access to my personally trained large language model, convolutional neural network, with several additional modules and an agent...
Dan MaloneyJun-7 12:09 PM@Norbert - in the US at least, there's a big chunk of the 6-meter band devoted to RC. Not sure if anyone uses that anymore though Mark J HughesJun-7 12:09 PM@Dan Maloney There are study apps in the google play store and iPhone...
The PCBs for the breakout board and lowpass filter arrived yesterday. The VGA connector fit, but the holes don't leave much room for tolerances. I updated the PCBs in the GitHub repo with the hole sizes recommended on the datasheet, although...
Summary A Lat/Lon-to-Maidenhead support routine is produced. Deets WSPR (and other amateur (ham) radio things, and even some other folks, too) like to express location in terms of a 'Maidenhead Grid Square Locator'. To wit it's named after Maidenhead,...
OK, great turnout today and still seeing some logins. Let's get started anyway. Welcome to the Hack Chat after a glorious week off, I'm Dan and I'll be modding today along with Dusan as we welcome Paul Marsh from UHF-Satcom today. skappy0612:00 PMHello...
Mark J Hughes12:32 PMIt also helps to remember that not everything gets soldered. Mark J Hughes12:32 PMThe gold protects the vias from oxidation. Paul Stoffregen12:33 PMAny tips for that "low-oxygen low-humidity environment"? How about a ziplock bag...
Dan Maloney12:00 PMOK, let's talk satellites! I'm Dan, I'll be modding today along with Dusan for Nathaniel Evry from Quub, Inc as we talk DIY PIcosatellites. Apologies in advance for my wonky keyboard with the stuck spacebar, BTW hkurz12:00 PMhi Dan...
1. Concept As a practical application of my PERSEUS-9 computer for astronomical observation, I decided to create a hardware and software system to display the celestial coordinate system of an equatorial mount. This computer is not suited to perform...
The role of motorized telescope mount is to provide automated motion control of optical tube assembly around. Regardless of the mount type it needs two axis control, either: equatorial, with one motor running in right ascension plane, and other in declinationor...
11:39 AMhow doable would it be to balloon a set of mini rockets, then right before balloon pops, ignite the rockets and send small robots to the moon, no? Jan11:39 AMI'm still searching for a way to upload csv files via upload form and then displaying...
I'm creating a supplemental control panel for playing Kerbal Space Program with a HOTAS joystick, such as a Thrustmaster T.Flight HOTAS X. This is the first of three controllers I'm planing.My main goals are:Dust off my EE skills. It's been several...