===== APRS =====
  * {{ :doc:digital:direwolf-user-guide.pdf |Dire Wolf User Guide}}

===== D-Star =====
  * {{ :doc:dstar:d-star-system-introduction.pdf |Icom: D-Star Introduction}}
  * {{ :doc:dstar:d-star_vortrag_db7mj_2018.pdf |DB7MJ: D-Star Vortrag}}
  * {{ :doc:dstar:users_guide_dstar_hotspot_v1_01.pdf |ON8JL: DStar Hotspot User Guide}}

===== FT-8 =====
  * {{ :doc:digital:ft8_anleitung_1_13.pdf |FT8 Arbeitsanleitung 1.13}}
  * {{ :doc:digital:ft8_hinson_tips_for_hf_dxers.pdf |FT8 Operating Guide 2.37}}
    * [[https://www.g4ifb.com/FT8_Hinson_tips_for_HF_DXers.pdf|URL]]

===== Pi-Star =====
  * {{ :doc:digital:raspberry_pi_4_64_bit_dual_hat_hotspot_oe7drt.pdf |}}
    * [[https://oe7drt.com/posts/2022/26-raspberry-pi-4-64bit-dual-hat-hotspot-without-pi-star/|Website]]

===== POCSAG =====
  * {{ :doc:digital:alarmierung_per_pocsag_manfred_piontek.pdf |Alarmierung per POCSAG - 9. Technikseminar  Feuerwehrakademie Hamburg}}
  * {{ :doc:digital:signalgeber.pdf |„WIN-SIGNAL“ für Funkwerkstätten der BOS}}

===== SSTV =====
  * {{ :doc:digital:sstv.pdf |}}
  * {{ :doc:digital:sstv_04.pdf |Formats of slow-scan TV transmission}}