Interactive Global Radio & Amateur Repeater Coverage Heatmap
Inspect worldwide Ham VHF/UHF repeaters, RF thermal propagation heatmaps, mountain terrain line-of-sight blockage shadows & WebSDR nodes.
BAND:
JUMP:
360+ Stations
PROPAGATION THERMAL MATRIX:
Strong Core (> -75 dBm)
Good Mobile (> -95 dBm)
Fringe Horizon (> -115 dBm)
⛰️ Mountain LOS Shadow
Master WebSDR Receiver, Global Station Matrix & Spectrum Waterfall
Continuous tuning slider from 100 kHz LF to 500 MHz UHF with real-time multi-band voice & digital demodulator, live WebSDR server bridge, and interactive FFT waterfall.
WEBSDR ÇALIŞTIRMA & DİNLEME REHBERİ (3 FARKLI MOD)
HTML5 WEB AUDIO • HARDWARE SDR BRIDGE
1. RF Spektrum Ses Filtresi & CW/FT8
Tarayıcınızın Web Audio API'si ile çalışan analog RF filtreleri, CW mors tonları ve FT8 dijital sinyalleridir (yapay robotik konuşma tamamen kaldırılmıştır). Başlatmak/Durdurmak için "START AUDIO DEMODULATOR" butonunu kullanınız.
2. Gerçek Dünya Canlı WebSDR Antenleri (1-Tık Bağlantı)
Hollanda Twente, İngiltere Hack Green veya ABD Utah gibi gerçek kamu antenlerini dinlemek için sağdaki mor "Launch Live Server →" butonuna basınız. Seçtiğiniz frekansa ayarlanmış canlı sekme açılır.
3. Kendi Bilgisayarınızda Donanım (RTL-SDR)
USB RTL2832U dongle → Zadig ile WinUSB sürücüsü → SDR# veya OpenWebRX kurarak kendi yerel SDR alıcınızı (localhost:8073) oluşturup tüm yerel telsiz bandını dinleyebilirsiniz.
ACTIVE WEBSDR NODE:
ONLINE (99.8% UPTIME)
ACTIVE MASTER VFO-A FREQUENCY
14.074.000 MHz
20M BAND • FT8 GLOBAL DIGITAL CALLING
DEMOD:
S-METER: S9+20dB
AUDIO ENGINE:
SIGNAL: 8-GFSK FT8 DIGITAL
VOL:
70%
TUNING:
Direct QRG:
MHz
FFT SPECTRUM SCOPE • VISIBLE: ±100 kHz • DRAG RED TUNING BAR TO TUNE
VFO: 14.074.000 MHz
▲ 14.074.000
📡 LIVE DEMODULATION TELEMETRY & DECODED TRAFFIC HUD
● RX ACTIVE
BANDWIDTH: 2.7 kHz • SNR: +18 dB
[SYSTEM] Master WebSDR Demodulator Ready. Press 'START AUDIO DEMODULATOR' to listen.
Global WebSDR & OpenWebRX Station Hub
Select and connect directly to high-gain public SDR receivers located across Europe, North America, Asia, and Oceania.
IARU Region 1 Amateur Radio Band Plan Visualizer
Click any band allocation slice to immediately tune the Master WebSDR receiver!
Global Strategic, Military & Tactical Radio Frequency Directory
| FREQUENCY | MODE | CATEGORY | DESIGNATION & USAGE | ACTION |
|---|
Global Verified Amateur Radio QSO & Beacon Stream (ADIF Telemetry)
Live verified international amateur radio transmissions, propagation beacon logs & DX telemetry across worldwide bands. Read-only verified master feed.
| UTC TIME | CALLSIGN | DXCC ENTITY | BAND / FREQUENCY | MODE | RST / SNR | GRID LOCATOR | DISTANCE | VERIFICATION |
|---|
CW Straight Key Transmitter
[SPACEBAR SUPPORTED]
HOLD / PRESS SPACEBAR TO TRANSMIT CW TONE
Real-time pure sine-wave 700 Hz sidetone audio synthesis
LIVE TRANSMISSION BUFFER
---
[Decoded plain text will stream here automatically...]
Text-to-Morse Audio Encoder
GENERATED MORSE CODE (. = Dit, - = Dah):
-.-. --.- / -.-. --.- / -.-. --.- / -.. . / -... --- .--- --- -.- ..-
Standard ITU Ham Radio Q-Codes & Prosigns
SOLAR FLUX INDEX (SFI)
162 [HIGH]
Solar Cycle 25 Peak
SUNSPOT NUMBER (SSN)
118 [ACTIVE]
Multiple Active Regions
PLANETARY K-INDEX
Kp = 2 [QUIET]
Geomagnetic Field Stable
ESTIMATED MUF
29.2 MHz
10m & 12m DX Openings
SOLAR WIND SPEED
412 km/s
Nominal Aurora Activity
HF & VHF Band Propagation Matrix (160m - 70cm)
NOAA • Real-Time Ionospheric Model
ISS (ARISS) SPACE STATION REPEATER
LEO ~415 KM
Voice Downlink: 145.800 MHz FM
Voice Uplink: 145.200 MHz (67.0 Hz PL)
APRS Packet: 145.825 MHz (1200 bps AFSK)
Voice Uplink: 145.200 MHz (67.0 Hz PL)
APRS Packet: 145.825 MHz (1200 bps AFSK)
Transmits voice contacts with school stations & digipeats APRS packets globally.
NOAA APT WEATHER SATELLITES
POLAR ~850 KM
NOAA-15: 137.620 MHz FM
NOAA-18: 137.9125 MHz FM
NOAA-19: 137.100 MHz FM
NOAA-18: 137.9125 MHz FM
NOAA-19: 137.100 MHz FM
Real-time cloud cover & cyclone imagery via VHF Automatic Picture Transmission (APT).
QO-100 (ES'HAIL-2) GEOSTATIONARY
24/7 COVERAGE
NB Uplink (13cm): 2400.050 - 2400.300 MHz
NB Downlink (3cm): 10489.550 - 10489.800 MHz
NB Downlink (3cm): 10489.550 - 10489.800 MHz
Continuous transponder coverage from Brazil to India, Europe, Africa and Middle East.
Interactive Morse Code Alphabet & CW Speed Trainer
Learn international Morse code with acoustic rhythm mnemonics (Koch / Farnsworth method), interactive audio flashcards, speed ear quiz & visual keyer training.
700 Hz
15 WPM
Half-Wave Dipole & 1/4-Wave Vertical Antenna Length Calculator
Calculate precise wire lengths for resonant half-wave center-fed dipoles and quarter-wave vertical antennas with end-effect velocity factor compensation (K=0.95).
1/2 WAVE DIPOLE (TOTAL LENGTH):
10.11 m
33.15 ft (397.8 in)
EACH DIPOLE LEG (1/4 WAVE):
5.05 m
16.58 ft (198.9 in)
FULL WAVELENGTH (λ):
21.19 m
69.51 ft
Maidenhead Grid Locator & Great Circle DX Beam Heading Compass
GPS Lat / Lon → Maidenhead Locator:
CALCULATED QTH LOCATOR:
KN41fa
Antenna Azimuth & DX Distance:
BEAM HEADING:
302° NW
DX DISTANCE:
8,054 km
ITU / NATO Standard Phonetic Alphabet & Voice Synthesizer
Instant phonetic breakdown for radio voice communications with audio speech playback.
PHONETIC SPELL-OUT:
TANGO - ALFA - ONE - DELTA - X-RAY
International Amateur Radio Callsign Prefix Atlas
| PREFIX | COUNTRY / ENTITY | ITU ZONE | CQ ZONE | CONTINENT |
|---|
Ham Radio Operators Community & Live QRG Chat Hub
Global meeting point for amateur radio operators: verified callsigns, live frequency chat, technical forums & station profiles.
CHANNELS:
TX CALLSIGN:
GRID:
34 ONLINE
MACROS:
Telecom, Amateur Radio & RF Spectrum RSS Live Wire
Real-time RSS news aggregation across global amateur radio leagues, satellite & space weather networks, SDR hardware developments & ITU spectrum regulatory policies (Auto-synced every 30 mins).