Links to information about two-way communications satellites carrying repeaters, transponders, and digipeaters can be found here.
FM Repeater Satellites
(Click here for frequency chart, follow links below for satellite details)
- SO-50 (SaudiSat-1C)
- AO-91 (RadFxSat / Fox-1B)
- AO-92 (Fox-1D)
- FUNcube on ESEO In commissioning
- LilacSat-2 (CAS-3H) Transponder activations sporadic
- IO-86 (LAPAN-A2) In equatorial orbit, activations by schedule
- PO-101 (Diwata-2) Active by schedule, see here for schedule updates
- AO-27 Schedule pending
- Duchifat3 In commissioning
Transponder Satellites
(Click here for frequency chart, follow links for satellite details)
- AO-7
- FO-29 (JAS-2) Due to low battery, transponder is activated by schedule in Japan and remains active until voltage drops
- AO-73 (FUNcube-1) See AMSAT-BB for transponder schedule updates
- XW-2A (CAS-3A)
- XW-2B (CAS-3B)
- XW-2C (CAS-3C)
- XW-2D (CAS-3D)
- XW-2F (CAS-3F)
- LO-87 (LUSEX / ÑuSat-1) Transponder active over Europe and Latin America
- EO-88 (Nayif-1 / FUNcube on Nayif-1) Transponder active in eclipse only
- CAS-4A
- CAS-4B
- HO-107 (HuskySat-1)
- JO-97 (JY1Sat) Transponder not yet active
- FO-99 (NEXUS) Activated by schedule, primarily over Japan, see here for operational information
- JAISAT-1 In orbit, commissioning
- CAS-6 In orbit, commissioning
- RS-44
- QO-100 (Es’hail-2 / P4A) Geostationary at 25.9 degrees east.
Digital Satellites
- FalconSAT-3
- NO-44 (PCsat) Sporadically active
- NO-84 (PSAT) PSK31 active continuously / Digipeater when power permits
- IO-86 (LAPAN-A2) In equatorial orbit, activations by schedule
- AISAT-1
- NO-103 (BRICSAT2)
- NO-104 (PSAT2)
- ISS Frequency Summary
- ISS Ham TV Currently inoperative
Re-entered or Inoperative Satellites
JE9PEL All Satellites Frequency List
SatPC32 Doppler SQF Line Generator
Updated May 14, 2020