HackUDC OS vs RF Link

hackOS is the official HackUDC app: the whole hackathon in your pocket, whether you're here to participate or to organize. FOR PARTICIPANTS • Schedule: the day-by-day program, with search and reminders. • Judging queue: your team's position, estimated wait and assigned room, in real time. • Live Activities: queue, deadlines, meals and your badge on the Lock Screen, the Dynamic Island and Apple Watch. • Badge and entry: your QR codes at hand, and saved to Apple Wallet. • Projects: create and edit your project, add photos, invite your team, read each challenge's briefing and submit before the deadline. • Networking: scan badges and sponsor booths to save people and companies to your Contacts. Edit your bio, links, CV and photo. • Notifications: judging turns, schedule changes and announcements, with a dedicated inbox and full control over reminders. • No signal, no problem: the schedule and your data are stored securely on your device. FOR STAFF AND ORGANIZERS • Check-in: scan badges, assign or replace them. • Presence: track attendees' entries and exits. • Meals and activities: log by scanning and instantly detect duplicates. • Judging queues: call teams, see who is presenting and manage their participation. • Attendees: search the full list with their real-time status. • NFC scanning or manual entry, even offline.

RF Link brings professional-grade RF path, radio line-of-sight, Fresnel zone and path-loss analysis to your iPhone, using the Longley-Rice (ITM) irregular terrain propagation model. Built for telecom engineers, RF planners, broadcasters and wireless network designers, it delivers accurate point-to-point link evaluation for frequencies from 20 MHz to 20 GHz. Whether you are planning microwave links, Wi-Fi backhaul, LOS radio links or long-distance wireless communication, RF Link predicts terrain impact, path loss and link feasibility in seconds. KEY FEATURES ITM Longley-Rice model (20 MHz - 20 GHz) - Industry-standard Irregular Terrain Model - Accurate diffraction, scatter and line-of-sight predictions - Multiple reliability and confidence combinations Radio line-of-sight analysis - Geometric LOS check - Earth-curvature LOS with adjustable k-factor - 60% first Fresnel zone clearance - Minimum clearance at obstruction points - Suggested tower height increase Terrain elevation profiling - High-resolution elevation sampling - Plots showing terrain, curvature, LOS and Fresnel zones - Zoomable charts you can share Coverage heatmap - Signal-strength coverage area around a transmitter - Rendered over real terrain on the map Path loss and link budget - Path-loss prediction - EIRP, RSSI, SNR and link margin - Clear pass, warning and fail indicators Clean, fast interface - Map-based transmitter and receiver selection - PDF report export - Plot image sharing and saving IDEAL FOR - Wireless network planners - Microwave and LOS link engineers - UAV and drone communication designers - Amateur radio operators - Students learning RF and propagation models RF LINK PRO Every install includes a number of free calculations. RF Link Pro removes the limit, and comes two ways: - Monthly subscription: unlimited path profiles and coverage maps, billed monthly, renewing automatically. - Lifetime: a one-time purchase, no subscription. Payment is charged to your Apple Account at confirmation of purchase. A subscription renews automatically at the same price and period unless it is cancelled at least 24 hours before the end of the current period. Manage or cancel it any time in your Apple Account settings. Privacy Policy: https://pinchiyadav.github.io/RF_Link_App-privacypolicy/ Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/