Czechoslovakia existed until 1992 and then divided into the Czech Republic and Slovakia. The following list contains the aeronautical radio beacons that were active in former Czechoslovakia during the 1980s. For an Eastern Bloc country, Czechoslovakia was quite extensively equipped with VOR or VORDME radio beacons.
The overview is incomplete, as a lot of data on military radio beacons are missing.
At military airfields, the identifiers of beacons are usually derived from the first and last characters of the callsign. Example: Callsign "DETEKTOR" → identifiers "DR", "D" (main landing direction), "RD" and "R" (secondary landing direction)
All information is outdated and may not be used for navigational purposes.
Explanations

Abbreviations
approx. | approximately | |
civ | civil | civil operator |
GP | Glide path | Glide path transmitter |
ILS | Instrument Landing System | (Approach and landing aid) |
IM | Inner Marker | Marker beacon just in front the runway |
kHz | Kilohertz | (Unit for frequency) |
L | Locator | Non-directional beacon for the approach |
LLZ | Localizer | Localizer transmitter |
LMM | Locator Middle Marker | Combination of Middle Marker and Locator |
LOM | Locator Outer Marker | Combination of Outer Marker and Locator |
m | Meter | (Unit for length) |
MHz | Megahertz | (Unit for frequency) |
mil | military | military operator |
MM | Middle Marker | Marker beacon |
NDB | Non-directional beacon | Non-directional beacon on long or medium waves |
NM | Nautical Miles | (Unit for length) |
OM | Outer Marker | Marker beacon |
PRMG | ПРМГ Посадочная радиомаячная группа | Soviet / russian military instrument landing system |
RSBN | РСБН Rадиотехническая система ближней навигации | Soviet / russian military radio navigation system |
SBA | Standard Beam Approach | Approach system, Lorenz system, predecessor of the ILS |
THR | Threshold | Runway threshold (most often with number of runway) |
transf. | transformed | Coordinates were converted from a different reference system, therefore there may be deviations. |
VAR | Visual-Aural Rnange | |
VOR | VHF Omnidirectional Radio Range | |
W | Watt | (Unit for power) |
WGS84 | World Geodetic System 1984 | (geospatial reference system, GPS coordinates) |
Directory / Rádiový majáky
For historical information only, do not use for navigation or aviation purposes!
Bechyně: Air Base (Letiště Bechyně)
Military airfield of the Czechoslovak Air Force (Československé letectvo). Callsign "ALBUM".
Runway 12:
Bechyně: LOMLocator: MA, 625.5 kHz
Outer radio beacon
Bechyně: LMMLocator: A, 303 kHz
Inner radio beacon
Bratislava: Airport (Ivanka, Letisko M.R.Štefánika)
Bratislava: NDBN480800 E0170936 (approx.)
Google MapsN, 372 kHz
Bratislava: Bratislava NorthN481324 E0171730 (approx.)
Google MapsOKR, 391 kHz
Bratislava: DavidN481112 E0171418 (approx.)
Google MapsD, 429 kHz
Runway 31:
Bratislava: ILSDME 31
OB, 108.3
Bratislava: Bratislava SouthN480700 E0171806 (approx.)
Google MapsLocator: OB, 330 kHz
Outer Marker: Dash, 75 MHz
Bratislava: BarkaN480906 E0171442 (approx.)
Google MapsLocator: B, 438 kHz
Middle Marker: Dot Dash, 75 MHz
Brno: Tuřany Airport (Letiště Brno, Turany)
Brno: NDBN490842 E0164612 (approx.)
Google MapsBN, 368.0 kHz
Brno: VORDMEN490900 E0164142 (approx.)
Google MapsBNO, 113.9 MHz
Čáslav: Air Base (Chotusice, Letiště Čáslav)
Military airfield of the Czechoslovak Air Force (Československé letectvo). Callsign "CENTOGRAF".
Čáslav: LOMLocator: CF, 345.75 kHz
Outer radio beacon
Čáslav: RSBNN495553 E0152330 (approx.)
Google MapsCF, CH 29
České Budějovice: Air Base (Letiště České Budějovice, Planá)
Military airfield of the Czechoslovak Air Force (Československé letectvo). Callsign "RENTA".
České Budějovice: RSBNN485641 E0142600 (approx.)
Google MapsRA, CH 36
Runway 27:
České Budějovice: LOMLocator: RA, 402 kHz
Outer radio beacon
České Budějovice: LMMLocator: R, 155 kHz
Inner radio beacon
Cheb: NDBN500354 E0122412 (approx.)
Google MapsOKG, 317.0 kHz
Cheb: VORN500354 E0122430 (approx.)
Google MapsOKG, 115.7 MHz
For historical information only, do not use for navigation or aviation purposes!
Desna (Dešná): NDBN485800 E0153248 (approx.)
Google MapsOKF, 424 kHz
Desna (Dešná): VORN485800 E0153200 (approx.)
Google MapsOKF, 113.15 MHz
Líně: Air Base (Letiště Dobřany Líně, Plzeň)
Military airfield of the Czechoslovak Air Force (Československé letectvo). Callsign "DETEKTOR".
Runway 24:
Dobřany Líně: LOMLocator: DR, 822 kHz
Outer radio beacon
Dobřany Líně: LMMLocator: D, 398 kHz
Inner radio beacon
Dubove (Dubové): NDBN485130 E0184806 (approx.)
Google MapsDBV, 310 kHz
Frydlant (Frýdlant): NDBN505424 E0150206 (approx.)
Google MapsOKX, 415 kHz
Frydlant (Frýdlant): VORN505412 E0150200 (approx.)
Google MapsOKX, 114.85 MHz
Holeslov: NDBN491924 E0173148 (approx.)
Google MapsHLV, 448 kHz
Hradčany: Air Base (Letiště Hradčany, Mimon, Аэродром Градчане)
Military airfield of the Soviet occupation troops in the ČSSR (Central Group of the Forces). Callsign "NAPAD" ("НАПАД").
Hradčany: RSBNN503720 E0144330 (approx.)
Google MapsND, CH 32
Runway 10:
Hradčany: LOMLocator: DN, 444 kHz
Outer radio beacon
Hradčany: LMM
Inner radio beacon
Runway 28:
Hradčany: LOMLocator: ND, 448 kHz
Outer radio beacon
Hradčany: LMMLocator: N, 215 kHz
Inner radio beacon
Hradec Králové: Airfield (Letiště Hradec Králové)
Military airfield of the Czechoslovak Air Force (Československé letectvo). Callsign "UPIR".
Hradec Králové: RSBNN501501 E0155032 (approx.)
Google MapsUR, CH 40
Runway 34:
Hradec Králové: LOMLocator: UR, 422 kHz
Outer radio beacon
Hradec Králové: LMMLocator: U, 204.5 kHz
Inner radio beacon
For historical information only, do not use for navigation or aviation purposes!
Janovce (Jánovce): VORDMEN481048 E0173248 (approx.)
Google MapsJAN, 110.8 MHz
Jelsava (Jelšava): NDBN483500 E0201642 (approx.)
Google MapsJEL, 489.5 kHz
Slovakia
Karlovy Vary: NDBN501036 E0130100 (approx.)
Google MapsKVY, 365 kHz
Košice: VORDMEN483824 E0211424 (approx.)
Google MapsKSC, 108.2 MHz
Slovakia
Košice: Air Base (Kosice, Barca)
Military airfield of the Czechoslovak Air Force (Československé letectvo). Callsign "KOLEKCE".
Slovakia
Košice: NDBN483518 E0211300 (approx.)
Google MapsKE, 425 kHz
Košice: RSBNN483919 E0211345 (approx.)
Google MapsKE, CH 39
Kostolany: NDBN483042 E0174300 (approx.)
Google MapsKST, 669 kHz
Milovice: Air Base (Letiště Milovice, Mlada, Аэродром Миловице, Млада)
Military airfield of the Soviet occupation troops in the ČSSR (Central Group of the Forces). Callsign "DIKOBRAZ" ("ДИКОБРАЗ").
Milovice (Milovice nad Labem): RSBNN501359 E0145530 (approx.)
Google MapsDZ, CH 12
Runway 28:
Milovice (Milovice nad Labem): LOMLocator: DZ, 514.5 kHz
Outer radio beacon
Milovice (Milovice nad Labem): LMMLocator: D, 250 kHz
Inner radio beacon
Mošnov: Airport Ostrava (Letiště Ostrava, Mošnov, Albrechtice)
Military airfield of the Czechoslovak Air Force (Československé letectvo). Callsign "NEKTAR".
Mošnov: RSBNN494204 E0180634 (approx.)
Google MapsNR, CH 33
Mošnov: LOMLocator: NR, 458 kHz
Outer radio beacon
Mošnov: LMMLocator: N, 221 kHz
Inner radio beacon
Mošnov: LOMLocator: RN, 458 kHz
Outer radio beacon
Mošnov: LMMLocator: R, 221 kHz
Inner radio beacon
For historical information only, do not use for navigation or aviation purposes!
Neratovice: VORN501842 E0142348 (approx.)
Google MapsNER, 108.6 MHz
Nitra: NDBN481800 E0180312 (approx.)
Google MapsNIT, 398 kHz
Slovakia
Nitra: VORDMEN481730 E0180306 (approx.)
Google MapsNIT, 116.5 MHz
Slovakia
Olomouc: Airfield Neředín (Letiště Olomouc, Olmütz-Neredin, Аэродром Оломоуц)
Military airfield of the Soviet occupation troops in the ČSSR (Central Group of the Forces). Call sign "PRUJAKUM" ("ПРУЯКУМ") or "PRUZKUM".
Olomouc: NDB
PM, 711 kHz
Ostrava: NDBN494842 E0181142 (approx.)
Google MapsOTA, 363 kHz
Czechia
Panenský Týnec: Airfield (Letiště Panenský Týnec)
Auxiliary airfield of the Czechoslovak Air Force (Československé letectvo). Callsign "KRAWATA".
Panenský Týnec: LOMLocator: KA, 350 kHz
Outer radio beacon
Pardubice: Air Base (Letiště Pardubice)
Auxiliary airfield of the Czechoslovak Air Force (Československé letectvo). Callsign "PRAVEK".
Pardubice: RSBNN500043 E0154455 (approx.)
Google MapsPL, CH 08
Runway 27:
Pardubice: LMMLocator: P, 233 kHz
Inner radio beacon
Pardubice: LOMLocator: PK, 481.5 kHz
Outer radio beacon
Polna (Polná): NDBN492700 E0154442 (approx.)
Google MapsPOL, 377 kHz
For historical information only, do not use for navigation or aviation purposes!
Poprad: Airport
Poprad: VORDMEN490354 E0202106 (approx.)
Google MapsPPD, 112.1 MHz
Runway 09:
Poprad: Poprad WestN490442 E0200436 (approx.)
Google MapsPW, 418
Runway 27:
Poprad: ILS 27
TT, 110.1 MHz
Poprad: Poprad EastN490348 E0202636 (approx.)
Google MapsPE, 438
Poprad: LOMN490406 E0202118 (approx.)
Google MapsLocator: PPD, 317 kHz
Outer Marker: Dashes, 75 MHz
Poprad: LMMN490424 E0201630 (approx.), 3.1 NM
Google MapsLocator: L, 290 kHz
Middle Marker: Dot Dash, 75 MHz
Praha: Ruzyně Airport (Letiště Praha Ruzyně, Prague Ruzyně)
Prague: NDBN500512 E0141154 (approx.)
Google MapsOKL, 438 kHz
Prague: Prague EastN500836 E0143630 (approx.)
Google MapsKD, 300
Prague: VORDMEN500624 E0141348 (approx.)
Google MapsOKL, 112.6 MHz
Runway 22:
Prague: NebusiceN500642 E0141748 (approx.)
Google MapsN, 407 kHz
Runway 25:
Prague: ILS 25
PR, 109.1 MHz
Prague: Prague NorthN500842 E0142206 (approx.)
Google MapsLocator: PR, 356 kHz
Outer Marker: Dashes, 75 MHz
Prague: LibocN500718 E0141718 (approx.)
Google MapsLocator: L, 372 kHz
Runway 31:
Prague: ILS 31
PG, 109.5 MHz
Prague: Prague MiddleN500254 E0142218 (approx.)
Google MapsLocator: PG, 307 kHz
Outer Marker: 75 MHz
Prague: DejviceN500506 E0141742 (approx.)
Google MapsLocator: D, 429 kHz
Rakovnik: NDBN500554 E0134130 (approx.)
Google MapsRAK, 386 kHz
Roudnice: NDBN502700 E0141300 (approx.)
Google MapsRCE, 394 kHz
Roudnice: VORDMEN502706 E0141242 (approx.)
Google MapsRCE, 117.6 MHz
Sliač: VORDMEN482712 E0190700 (approx.)
Google MapsSLC, 114.0 MHz
Sliač: Airfield (Letisko Sliač, Sliac, Zvolen, Tri Duby, Зволен)
Military airfield of the Soviet occupation troops in the ČSSR (Central Group of the Forces). Callsign "FIKUS" ("ФИКУС").
Slovakia
Sliač: RSBNN483820 E0190814 (approx.)
Google MapsFS, CH 24
Runway 36:
Sliač: NDBN483348 E0190754 (approx.)
Google MapsFS, 412 kHz
Outer radio beacon
Sliač: NDBF, 843 kHz
Inner radio beacon
Sturovo (Štúrovo): NDBN474942 E0184124 (approx.)
Google MapsOKI, 378 kHz
Nána
Trebova (Moravská Třebová): NDBN494746 E0164050 (approx.)
Google MapsTBV, 492 kHz
For historical information only, do not use for navigation or aviation purposes!
Vlasim: NDBN494206 E0150412 (approx.)
Google MapsVLM, 382 kHz
Trhový Štěpánov
Vlasim: VORDMEN494218 E0150406 (approx.)
Google MapsVLM, 114.3 MHz
Trhový Štěpánov
Vodochody: Airfield (Letiště Vodochody, Klecany, Odolena Voda)
Vodochody: RSBNN501304 E0142411 (approx.)
Google MapsBT, CH 16
Vozice (Vožice): NDBN493206 E0145242 (approx.)
Google MapsVOZ, 322 kHz
Vozice (Vožice): VORDMEN493200 E0145236 (approx.)
Google MapsVOZ, 116.3 MHz
Žatec: Air Base (Letiště Žatec, Zatec, Postoloprty)
Airfield of the Czechoslovak Air Force (Československé letectvo). Callsign "MERKUR".
Žatec: PRMG
CH 28
Žatec: RSBNN502206 E0133503 (approx.)
Google MapsMR, CH 26
Runway 28:
Žatec: LOMLocator: MR, 290.5 kHz
Outer radio beacon
Žatec: LMMLocator: M, 599 kHz
Inner radio beacon
For historical information only, do not use for navigation or aviation purposes!