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RF_Savage

HN member
Joined
Thu, Jul 08, 2021, 5:23 AM UTC
HN karma
1,106
Public activity
506 items

About RF_Savage

~radio frequencies~

Recent public activity

  1. comment
    Comment #44860927

    And it was a pun by Ericsson engineers, as they used Erlang to program telephone switches where the capacity planing included Erlangs.

  2. comment
    Comment #44782597

    And Apple was involved in that as well, even if it was not planed. The pod in podcast coming from iPod after all.

  3. comment
  4. comment
    Comment #44764847

    But only for those areas with receiver coverage that feeds them. But your own receiver will always cover your area.

  5. comment
    Comment #44715392

    SMS routing and billing systems did cost money. Especially billing, as the standards had nothing for it, so it was done by 3rd party software for a very long time.

  6. comment
    Comment #44694660

    M12 gets old quick if you do a lot plug/unplug cycles.

  7. comment
    Comment #44297805

    Not a single telco wants this. So it does not get built. Interestingly DECT NR+ is a 5G standard on dedicated spectrum and has been designed to be a mesh from the start.

  8. comment
    Comment #44283658

    Viasat fixed modems got bricked at start of the war in Ukraine and some collateral one's in border areas.

  9. comment
    Comment #44166780

    The cheapies are less useful for debugging real problems, due to their bad UI and severe limitations. A good, fast reacting multimeter is likely better thing to get than a cheap sc…

  10. comment
    Comment #44133513

    Can be done more cheaply if tou are good at reusing things and building.

  11. comment
    Comment #44113113

    Exploding The Phone was an excellent read.

  12. comment
    Comment #44113030

    Proper PoE sources have active per port current monitoring and will disable the PoE power in case of an over current event.

  13. comment
    Comment #44020140

    Good documentation and support.

  14. comment
    Comment #43672221

    All mosfets are like that. The marketing folksbL at Toshiba just were not able get it removed, or they have had one too many complaint from folks running them near the absolute max…

  15. story
  16. comment
    Comment #43385760

    Apparently in September 2017, when they introduced the SPARC M8.

  17. comment
    Comment #43281498

    Naturally there needs to be filtering and some sort of analog frontend. My main point was that mainstream rigs now do direct sampling, instead of zero-if or superhet with dsp IF. A…

  18. comment
    Comment #43277260

    The popular IC-7300 transceiver from Icom does that. Receiver samples the whole band and does downconversion in the digital domain (DDC) and same for the transmitter (DUC). On the …

  19. comment
    Comment #42959658

    Interesting project. They have definitely raised the bar for FOSS ECAD software with their major contributions to KiCAD for example.

  20. comment
    Comment #42907183

    "It's all about merit until merit has tits." - Naomi Wu

  21. comment
    Comment #42671425

    He owns 84% of Automattic, so likely not.

  22. comment
    Comment #42607847

    >Patent unencumbered in a way that someone could make a commercially viable implementation. Doesn't this exclude all modern cellular standards then?

  23. comment
    Comment #42576323

    I guess you had safe search off?

  24. comment
    Comment #42551816

    So have the stressor and stress testing DDoS for hire sites changed to scraping yet?

  25. comment
    Comment #42532587

    The Yahooification of Googles search becomes more amusing when one considers that it is now led buy the dude who ran Yahoo search to the ground.