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Radio Frequency: A Beginner's Journey Volume 1
From Invisible Waves to Wireless Wonders By Joshua S. Sakweli Table of Contents Introduction: The Invisible Ocean Around Us Chapter 1: What Are Waves? (ENHANCED) Chapter 2: Understanding Radio Frequency (RF) (ENHANCED) Chapter 3: The Magic of Antennas (ENHAN...
Events Applicant Form API
Author: Josh S. Sakweli, Backend Lead Team Last Updated: 2025-02-17 Version: v1.0 Base URL: https://your-api-domain.com/api/v1/e-events/applicant-form Short Description: The Applicant Form API allows event organizers to attach an optional custom multi-page for...
Fascinating Facts, Epic Stories, Legendary Failures & Mind-Blowing Discoveries
A Collection of the Most Interesting RF Phenomena Compiled by Joshua S. Sakweli Table of Contents Cosmic & Space RF Phenomena #1: Your body emits 100W of infrared RF (you glow!) #2: Hitler's 1936 TV broadcast now 88 light-years away in space #3: Voyager 1 ...
📡 Radio Frequency From Zero Volume2
A Complete Beginner's Guide to Understanding RF, Electromagnetic Waves, and the Invisible World Around You "You started knowing only: battery + wire + bulb = light. Now you understand the universe's most fundamental communication system." 📖 How to Use This ...
Hashtag API
Author: Josh, Lead Backend Developer Last Updated: 2026-03-02 Version: v1.0 Base URL: https://api.nexgate.com/api/v1 Short Description: The Hashtag API enables content discovery through hashtags. Users can browse posts by hashtag with optional filters for prod...
Disbursement Channel API
Author: Josh — Lead Backend Team Last Updated: 2026-03-06 Version: v1.0 Base URL: https://api.nextgate.co.tz/api/v1 Description: Manages withdrawal destinations for NextGate users. A channel is a verified mobile money or bank account to which a user can withdr...
Disbursement API
Author: Josh Lead Backend Team Last Updated: 2026-03-06 Version: v1.0 Base URL: https://api.nextgate.co.tz/api/v1 Short Description: The Disbursement API handles wallet withdrawals for NextGate users. Users can withdraw their wallet balance to a verified mobil...
SomaTech Stats API
Base URL: https://somatechapi.nexgate.co Endpoint Overview # Method Path Auth Required 1 GET /api/v1/stats No 2 GET /api/v1/stats/trend No 3 POST /api/v1/auth/add No 4 POST /api/v1/auth/request-otp No 5 POST /api/v1/auth/verify-otp No 6 POST ...
JikoXpress Thermal Printer Documentation
ESC/POS Templates, Print Flow & Integration Reference Version 1.2 | March 2026 | QBIT SPARK CO LIMITED Table of Contents Overview ESC/POS Quick Reference Discount & Calculation Rules Receipt — Dine In Receipt — Pickup Kitchen Receipt — Delivery Customer Bi...
NextGate — PONA Auth Flow V3 (Progressive · Onboarding · Native · Access)
Version 3.0 — The Complete Authentication Specification Phone-first. Passwordless by default. One flow. No walls. Trust earned progressively. Philosophy One entry point — phone number only, always One auth system — no separate lite or hard auth flows Pass...
NextGate PONA Auth — EndPoint Doc (ACTIVE)
Author: Josh S. Sakweli, Backend Lead — QBIT SPARK CO LIMITED Last Updated: 2026-04-19 Version: v1.2 Base URL: https://your-api-domain.com/api/v1 For more details on the full flow design: PONA Auth v3 Design Doc What is PONA Auth? Progressive · Onboarding · N...
Nexgate — New Service & Repository Onboarding Guide
Author: Josh Sakweli — DevOps Lead Version: 1.0 Last Updated: April 2026 Classification: Internal — DevOps Lead Only Overview This guide explains exactly what to do when adding a new service or repository to the Nexgate platform. Every new service follows the...
WABA RabbitMQ Messaging Contract
Nexgate ↔ WABA Gateway Service Exchange: whatsapp.exchange (topic) Overview Meta/WhatsApp │ ▼ WABA Gateway Service ← owns Meta API, webhook endpoint │ publishes inbound events ▼ whatsapp.exchange │ ├── whatsapp....
Checkout ReqSample Senarials
JikoXpress — Checkout Session API Scenarios Version 1.0 | April 2026 | QBIT SPARK CO LIMITED Reference guide for all checkout session creation scenarios Overview A checkout session is a temporary stepping stone to an order. Once confirmed, the session creat...
JikoXpress Financial System Architecture
JikoXpress Pro — Financial System Architecture Version 2.0 | April 2026 | QBIT SPARK CO LIMITED Refined architecture based on full design sessions — all scenarios, edge cases, and decisions captured. Table of Contents Overview & Core Principles Platform Co...
Event Fund Claims
Author: Josh S. Sakweli, Backend Lead — QBIT SPARK CO LIMITED Version: v1.0 Base URL: /api/v1/e-events/claims Overview When an event organizer sells tickets, revenue is held in escrow — one escrow entry per buyer checkout session. A Fund Claim is a formal req...
PONA Auth Secondary Onboarding
Author: Josh S. Sakweli, Backend Lead Team Last Updated: 2026-04-27 Version: v1.0 Base URL: https://api.nexgate.co/api/v1/onboarding/secondary Short Description: Secondary onboarding completes a user's profile after the primary onboarding step (name, phone, bi...
JikoXpress Pro — Payment, Subscription & Business Model Architecture
Property Value Version 1.0 Status Draft Created April 2026 Purpose Development Guide — Payment, Subscription & Delivery Model Executive Summary JikoXpress Pro operates a three-engine business model designed specifically for the East African fo...
JikoXpress Pro — Offer Engine Architecture
Version 3.0 | May 2026 | QBIT SPARK CO LIMITED Full offer engine design — psychology, architecture, user journeys, UI flows, and competitive positioning. Updated: Three discount layers defined. Menu discount as Layer 1. Offer governance and loss prevention ad...
NextGate Product Ecosystem — Architecture & Purchase Flows
Overview NextGate's e-commerce layer handles two fundamentally different kinds of products: physical products (tangible goods that require shipping and delivery confirmation) and digital products (files that a buyer downloads). Both types share the same paymen...