Minstens één keer per maand worden de links nagekeken. We garanderen dat 99% van de aangeboden links operationeel zijn of aangeduid als "Out of order". Niet werkende links worden aangeduid met "Out of order". Indien de link na verloop van tijd nog steeds niet werkt en we vinden geen oplossing om de link te herstellen, dan wordt hij gewoon uit de lijst verwijderd.
| SP Callbook |
| SP7DQR QSL Print Program Also log program, etc. |
| Space & Technology News Dutch |
| Space today Online |
| Space Weather |
| Specialantennen BAZ |
| Spectrum Lab Freeware for audio analysis by DL4YHF |
| SpeeDX |
| SPI Small Practical Innovation: CTSS and DTMF coder/encoder, ATV, Packet, etc. (NL) |
| Spoutnik - 40 years ago |
| SRAL Suomen Radioamatooriliitto (FINLAND) |
| SRAL The Finnish Amateur Radio League |
| SSA Sveriges Sündaramatürer |
SSB Electronics Germany
Modules and sub units for VHF and up
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SSB Electronics Germany
Modules and sub units for VHF and up
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| SSB Electronics USA Modules and sub units for VHF and up |
| SSB Electronics USA VHF/UHF/SHF Equipment and Parts |
|
SSTV club from Belgium French/English
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| SSTV Software Programs (1) |
| SSTV Software Programs (2) |
| Staring on CW by WB8FSV |
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STMicroelectronics
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| Stormy Weather SoftWare |
| Sunspot Cycle |
| SUPER DUPER Contest program from EI5DI > freeware - supports UBA contest |
| Surplus Sales of Nebraska Surplus in Omaha, NE, USA |
| SV2AGX DX calendar |
| SVETLANA Tubes |
| Svetlana |
| Swan |
