Showing 321–340 of 1,000 ranked alternatives.
IODEMA SRL
Lookup resistor values and color codes
Allows users to calculate resistor values using color codes and SMD codes. It includes tools for Ohm's Law, reactance, resonance, and voltage dividers. Users can determine resistor ratios, series/parallel combinations, and LED resistor needs.
thomas Custodio
Enter and retrieve serial number
Enter the by pressing numbered buttons for each digit. Retrieve the serial number by pressing 2 and 6 for 5 seconds or removing the to find the PRECODE. Input digits using buttons 1 through 4.
Don Agro
Track propagation paths on a map
Monitors DX Cluster spots for amateur radio activities. Displays real-time propagation paths on a zoomable map. Alerts users to rare contacts or band openings. Logs contacts to an SQL database. Supports ADIF import and export.
Hong Nguyen
Record, save, and share memos
Record notes with high-quality audio at 8-41.1KHz sample rate. Save recordings as memos. Share files directly. Features include simple interface, instant start, and no additional requirements.
Christian Schoenebeck d/b/a Crudebyte
Monitor messages in real time
Monitor and send messages to connected devices. Visualize incoming data. Test setups with keyboard or sound expander. Identify device messages and troubleshoot connections. Support for Apple USB camera adapter and other compatible adapters.
koji kamogawa
Practice QSOs with realistic calls and signals
Simulate amateur radio QSOs with CQ calls and 59 reports. Exchange phonetic call signs with varying signal levels and tone. Adjust own call sign and monitor TX/RX status. Include pseudo signal meter for realistic feedback.
World Radio League Inc.
Log contacts and sync logbooks
Log contacts and manage amateur logs directly on mobile. Sync data between and website. View logging stats and awards. Track active operators and monitor QSOs in real time. Support for iOS, iPadOS, and Apple Silicon.
Yash Baraiya
Scan WhatsApp QR, manage accounts, backup chats,
Scan WhatsApp Web QR codes to access WhatsApp Web. Manage dual accounts on iPhone or iPad. Backup chats securely. Protect privacy with encryption. Use voice-to-text and QR tools. Access private vault and custom wallpapers.
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