Rattlegram vs HamSphere 5.0 Utilisation & Stats
COFDMTV is based on COFDM (coded orthogonal frequency-division multiplexing) technology:
- 160 ms long OFDM symbols
- 6.25 Hz per sub-carrier
- 1/8 guard interval
- differentially encoded PSK (phase-shift keying) modulation
- systematic polar codes for forward error correction
Currently Modes 14, 15 and 16 are supported:
Using either SPC(2048, 1392), SPC(2048, 1056) or SPC(2048, 712) with CRC32C aided SCL decoding and differential QPSK modulation for the payload.
Only a bandwidth of 1600 Hz is needed and the transmission of either 85, 128 or 170 bytes take about one second with the leading noise and fancy header disabled.
- Apple App Store
- Gratuit
- Réseaux sociaux
Classement dans le store
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This handheld Amateur Radio transceiver offers 10-160m virtual HamSphere HF bands including 6m, 2m and 70cm. It comes with a fully working 30 day trial. The transceiver has three built in audio filters, USB, LSB and CW Modes, power setting. The transceiver can be expanded with a number of useful instruments as in-app-purchases.
- Apple App Store
- Gratuit
- Réseaux sociaux
Classement dans le store
- -
Comparaison des classements Rattlegram vs. HamSphere 5.0
Comparez l'évolution du classement de Rattlegram au cours des 28 derniers jours à celle de HamSphere 5.0.
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Comparaison des classements Rattlegram et HamSphere 5.0 par pays
Comparez l'évolution du classement de Rattlegram au cours des 28 derniers jours à celle de HamSphere 5.0.
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Rattlegram VS. 
HamSphere 5.010écembre d, 2024