N1UGK’s Amateur Radio Blog https://validator.w3.org/feed/docs/rss2.html Casio FX-702P Programmable Calculator AM Stereo with the Sony SRF-A1 SSTV from ISS – World Space Week 2025 Using a Landline Phone in 2025 Uniden SDS100 – Scanner Radios in 2025 Casio FX-750P Personal Computer Casio FX-880P Personal Computer Casio PB-2000C Personal Computer Back to Compact Discs Optimus STA-300 Pioneer SX-626 Restoration Kantronics KAM All Mode TNC for HF Packet Radio Pocket Computer Universal Interface Using HF Packet from an M5Stack Cardputer USB Charging for any HT Maze Program for the Casio PB-1000 AirPort Express (2nd Gen) for Airplay Streaming QRP Labs Ultimate3S WSPR Beacon Kit Casio PB-770 Personal Computer Bookshelf Speakers Lesson Learned (tr)uSDX Rev 1.2 Mainboard Refilling Vintage Plotter Pens SSTV from ISS Kenwood MC-50 Desk Microphone Casio PB-1000 Personal Computer Kenwood TS-830S CW Filter Installation Adding Active Cooling to Older Transceivers RS-232 Interface for the PC-2 Repairing a 3.5″ Floppy Drive Matching Game for the Tandy PC-6 Power Distribution with Battery Backup Meshtastic for Off-Grid Texting Neumayer Station III via WSPR 6 Meters – The “Magic Band“ 1.25-Meter RFI Takes Down My Internet Farewell MFJ Kenwood TS-530SP Tandy PC-7 Pocket Computer Raising My First Outdoor HF Antenna Tandy PC-4 Pocket Computer Is it really “Off Grid”? Assembling the “High Bands” (tr)uSDX Kit Packet Radio Loading Programs from WAV Files TRS-80 PC-1 Pocket Computer Upgrading the Kenwood SP-230 Speaker Using C4FM and Pi-Star for DMR Talkgroups Yaesu FTM-500DR Tandy PC-6 Pocket Computer Texas Instruments TI-92 Plus Graphing Calculator