HISTORY of LF / MF / VLF Bands
Many facts are found in excellent LF news archives by Dave G3YXM Also TNX: AMRAD, Marcus DF6NM, Geri DK8KW, David G0MRF, Laurie G3AQC, Mal G3KEV, Peter G3LDO, John G3WKL, Mike G3XDV, IEEE(the Institute of Electrical and Electronics Engineers), LWCA, Reino OH1TN, Rik ON7YD, Dexter W4DEX, Bob ZL2CA, Dave ZL3FJ

2013
11.12.13
73kHz First reception of NA signal in Europe in WSPR15 (Victor PA3FNY RX Bob WG2XRS/4 (W2ZM)
10.12.13
73kHz First reception of NA signal in Europe in Opera65 (Hartmut Wolff RX Bob WG2XRS/4 (W2ZM)
6.12.13
73kHz First reception of NA signal in Europe in OPds64 (Marcus DF6NM RX Bob WG2XRS/4 (W2ZM)
9.12.13
136kHz First reception Europian Opera32 signal in South America in OPds32 (Martin YV7MAE RX Stefan DK7FC)
12.10.13
136kHz First reception Europian Opera32 signal in North America in OPds32 (Jay W1VD RX Marcus DF6NM)
29.09.13
73kHz First reception of NA signal in Europe in QRSS (Hartmut Wolff RX Bob WG2XRS/4 (W2ZM)
1.08.13
73kHz USA gets 68-76kHz band (10w ERP all modes - 5 year period) WG2XRS/n: /1-K2ORS, /2-W1VD, /3-W1TAG, /4-W2ZM, /5-W4DEX
7.02.13
136kHz First reception Europian digital WSPR-15 signal in South America (Martin YV7MAE RX Stefan DK7FC )
23.01.13
136kHz First reception digital WSPR-15 signal of North America in South America (Martin YV7MAE RX Bob WE2XEB)

2012
27.12.12
136kHz/MF Joe K1JT annonce the 136/500 version of WSJT-X - JT9 for experimental use
20.12.12
MF ZL New Zeland gets 472-479kHz band
10.12.12
MF S5 Slovenia gets 472-479kHz band
1.11.12
MF SV Greece gets 500kHz
30.10.12
MF LA Norway gets 500kHz
19.09.12
136kHz First reception Europian digital WSPR-32 signal in North America (Jay W1VD RX Stefan DK7FC)
31.08.12
136kHz First reception Asian Opera32 signal in Europe - Vlad RX3QFM RX Vit UA0AET
31.08.12
136kHz First reception Europian Opera32 signal in Asia - Vasily UA0SNV RX Anatoly UA4WPF
30.08.12
MF DU Philippines gets 472-479kHz band
30.08.12
136kHz DU Philippines gets 136kHz band
27.08.12
Technics / 136kHz First detection of the WD2XES (W1TAG) Opera-32 signal in Opera Deep-Search correlation detections system (OPDS) by Marcus DF6NM, First EU-NA OPds32 reception also
13.06.12
MF DL Germany gets 500kHz
11.06.12
MF 9H Malta gets 500kHz
18.05.12
MF 3A Monaco gets 472-479kHz band
15.05.12
136kHz First 136kHz WAC 1way TX. Stefan's DK7FC signals receved on 6 continents: EU-DF8ZR(2003), NA-W1VD(9jan11), AS-4X1RF(9jan11), AF-5N/RN3AUS(1dec11), OC-VK1SV(14mar12), SA-YV7MAE(15may12)
15.05.12
136kHz First reception of European signal in South America (Martin YV7MAE RX Stefan's DK7FC beacon)
5.05.12
136kHz First reception of North America signal in South America (Martin YV7MAE with Stefan's DK7FC help RX Joe's VO1NA beacon)
26.03.12
VLF First international 9 kHz 2way QSO - Lubos OK2BVG and Marcus DF6NM, QRB=425.5 km
4.03.12
MF First North America Opera signal RX in Europe - PA3ABK & G0KTN RX Joe VX9MRC (VO1NA) Op4
28.02.12
136kHz XE Mexico gets 136kHz band
17.02.12
MF Amateur Radio Gets Secondary MF Allocation at WRC-12 - 472-479 kHz pics
15.02.12
MF First North America ROS signal RX in Europe - Gary G4WGT RX Bob WE6XGR (W2ZM)
3.02.12
MF First North America WSPR signal RX in Europe - Jim M0BMU RX Jay WE2XGR/2 (W1VD)
28.01.12
136kHz First Europian Wolf's signal RX in Asia - Chris 4X1RF RX Markus DF6NM Wolf-10
14.01.12
136kHz First WSPR's TX/RX - Jim M0BMU RX Tom G8HUH WSPR-2
2.01.12
MF First Opera's TX/RX - Albert PA0A RX Jan PA3ABK
2.01.12
Technics Graham G0NBD\G8FZK annonce the 136/500 version of the Opera data mode for experimental use

2011
30.12.11
136kHz First reception of European a new Opera data mode signal in NA (Joe VO1NA RX Gary's G4WGT)
4.08.11
MF S5 Slovenia: S52AB - Special license for 501-505kHz to '31 Dec 2011
02.11
136kHz European intercontinental transmit DX slot moved to 136.172kHz (center) ie 136168-136176 Hz

2010
?.11.10
MF EA1AY, EA2HB, EA3CC, EA4BVZ, EA3WX and EA5DY have been granted special permission to operate between 501- 504kHz with an ERP of 5W and a bandwidth of less than 100Hz
?.12.10
MF 9H Malta gets temporary 500kHz (9H9)
24.09.10
136kHz First 2way QSO Asia-North America on 136kHz (JA7NI - VE7TIL) DFCW 30/60 QRB=7168km
4.09.10
136kHz First reception of North America signal in Asia (Kuni JA7NI RX Scott's VE7TIL beacon QRSS=120, QRB=7168 km)
4.06.10
VLF First 9 kHz 2way QSO - Walter DJ2LF and Marcus DF6NM, QRB=20.2 km
31.05.10
MF 9A Croatia gets 500kHz (493-510) band with 100W and A1A - first Kresimir 9A5K
15,21.03.10
VLF First 9 kHz ("Dreamers band") beacons by Stefan DK7FC/p and firsts DX receptions: Marcus DF6NM (QRB=12.1 and 180 km), Paul Nicholson UK (859km), DF8ZR (16), Michael Oexner DL (72), IK1QFK (544), M0BMU (655)
1.03.10
MF ZL New Zealand gets 500kHz (505-515) band with 25W EIRP and a maximum bandwidth of 200Hz
19.02.10
MF TF Iceland gets 500kHz (493-510) band with 100W and CW only
14.02.10
MF First 500kHz T/A 2way QSO on WSPR - Jay WE2XGR/2 (W1VD) and Jim M0BMU QRB=5442km
1.01.10
MF PA Netherlands gets 500kHz (501-504) band with 5W EIRP and a maximum bandwidth of 100Hz

2009
1.12.09
136kHz A9 Bahrain gets 136kHz band with 1W EIRP
1.12.09
136kHz VE Canada gets 136kHz band with 1W EIRP
6.11.09
MF LA Norway gets 500kHz band with 100W, A1A (493-510)
19.09.09
136kHz First reception of Asian signal in North America (Steve VE7SL RX Mori's JH1GVY beacon QRSS=120, QRB=7533 km)
28.07.09
MF The FCC approved a modification that expands the ARRL's 500 kHz experimental license WD2XSH : 495-510kHz
1.06.09
MF OZ Denmark gets 500kHz band with 20W ERP, A1A (501-504) Niels OZ8NJ
30.03.09
136kHz JA Japan gets 136kHz band with 1W EIRP
29.03.09
MF EI Ireland gets 500kHz band
1.01.09
136kHz 9H Malta gets 136kHz band with 1W EIRP
1.01.09
136kHz VK Australia gets 136kHz band with 1W EIRP
1.01.09
MF YO Romania gets 500kHz band - first YO2X - Szigy Y02IS
2008
1.12.08
MF First amateur T/A 500kHz contact CW/SSB. 2way CW/SSB QSO was between Bob W2ZM WE2XGR/6 and Finbar GI4DPE
23.12.08
MF First reception of North America signal in Europe on 500kHz in WSPR (Jim M0BMU RX Jay W1VD WE2XGR/2)
29.11.08
MF First reception of Europe signal in North America on 500kHz in WSPR (Jay W1VD RX Graham G0NBD)
22.11.08
MF VE Canada gets 500kHz (504-509) band with 20W EIRP and a maximum bandwidth of 1000Hz
1.06.08
Technics New low-signal mode. MEPT_JT has been developed by K1JT and ZL1BPU - WSPR ("Whisper")
1.01.08
MF ON Belgium gets 500kHz (501-504) band with 5W EIRP and a maximum bandwidth of 100Hz
2007
30.11.07
MF SM Sweden: first Gus SM6BHZ gets special licence (505-505.2 with 20 ERP
14.11.07
MF First amateur T/A 500kHz contact. 2way CW QSO was between Jay W1VD WE2XGR/2 and Finbar GI4DPE
9.11.07
136kHz WRC-2007in Geneva "a secondary allocation of 135.7-137.8 kHz to the Amateur Service was approved on first reading in Plenary on Friday afternoon, November 9"
17.08.07
MF OK Czech gets 500kHz (505) band with 1 W ERP - first OK0EMW - Lubos OK2BVG
1.03.07
MF Gx United Kingdom gets 500kHz (501-504) band with 100mW ERP
2006
22.09.06
MF First amateur 500kHz contact. 2way CW QSO was between Dex W4DEX (WD2XSH/10) and Conard WS4S (WD2XSH/11) a distance 470km
14.09.06
MF US 500kHz permit issued. WD2XSH/xx on 505...510kHz with 20W ERP
12.09.06
LF The new utility TX near Budapest is on-air abt 135.43kHz - HGF36 same DCF39
1.04.06
LF SV Greece gets wide LF band from 130 to 148.5kHz
2005
19.12.05
MF First reception of Europe signal in North America on 500kHz (Dave AA1A RX QRSS DI2AG - Walter DJ2LF - on 440kHz) QRB=6082km
13.11.05
Technics The user interface (GUI) for various WOLF mode (from 2.5 till 40 symb/sec) was written by Wolfgang Buscher DL4YHF
29.10.05
136kHz First DX 2way QSO on WOLF - John W1TAG(WD2XES) and Laurence KL1X/5 (WD2XDW) QRB=2159km
24.04.05
136kHz First 2way QSO on WOLF - Marcus DF6NM and DF0WD (Wolf DL4YHF)
4-5.03.05
136kHz Oceania (ZM2E-ZL6QH:ZL2CA, ZL2BBJ, ZL4OL) have undertaken the first attempt of 2-way QSOs with North America (VA7LF:VE7SL&VE7TIL) and Europe RU6LA&UA6LV
23.02.05
LF First reception of North America signal in Europe on 189.8kHz (Hartmut Wolff in Germany RX Joe's VO1NA beacon 5W Output - QRSS120 - QRB=4405km)
1.01.05
MF Walter DJ2LF got special permission to operate on 440kHz (call DI2AG, becon's modes in A1A, A1B, F1B, G1B, max 9W ERP, end permission 31 Dec 2005)
2004
29.12.04
LF First reception of North America signal in Europe on Jason on 136kHz (Hartmut Wolff in Germany RX John W1TAG's beacon WD2XES)
12.11.04
136kHz First QSO on 136kHz under Part 5 - 2way CW WD2XES(John W1TAG) and WD2XGJ(Warren K2ORS) QRB~=40km
26.10.04
LF First reception of North America signal in Oceania on 136kHz (Mike ZL4OL RX QRSS WD2XDW - Laurence KL1X/5 OKLA) QRB=13055km
15.10.04
136kHz DL Germany gets 136kHz band with 1W ERP
18-19.09.04
136kHz First intercontinental beacon from South America (Marcelo LW2ETU, QRSS30, 137.422kHz, 120W Output)
17.06.04
LF Amateur LF band in ZL (New Zealand) is extended from 130 to 190 kHz
11.04.04
LF First reception of Europe signal in Oceania on 136kHz (Bob ZL2CA RX QRSS Sam RN6BN) QRB=16438km
20.03.04
LF First 2way QSO Asia-Oceania on 136kHz [UA0LE(RU6LA&UA9OC) - ZM2E(ZL6QH) QRSS] QRB=10311km
11.01.04
LF First 2way QSO on WOLF (under Part 15 on 160-190kHz - John W1TAG & Dex W4DEX - QRB=1080km)
2003
1.10...2.11.03
LF. At the RSGB HF convention at Manchester, UK Laurence KL1X-GM4DMA received the Nevada Cup for his innovation and general helpfulness to LFers in 2002-2003 season
25.07.03
136kHz First Alaska's WD2XDW beacon under FCC part 5. Laurence KL1X (BP41XD) has started a beacon tests in 137.7738kHz at 2W ERP
30.06.03
73kHz RIP 73kHz and last QSO on this band (Peter G3LDO - Mike G3XDV, as well as first QSO)
15.05.03
136kHz FCC refuses 136kHz. The USA will not have a 136kHz allocation in the near future. Next WRC 2007?
14.03.03

LF First reception of Oceania signal in Asia on 136kHz (RU6LA@UA9OC RX ZL6QH) pics

13.03.03

LF First reception of Asia signal in Oceania on 136kHz (Bob ZL2CA RX RU6LA@UA9OC) pics

13.03.03
LF First 2way QSO Europe - Asia on 136kHz (RU6LA@UA9OC - RU6LWZ QRSS & CW)
10..16.03.03

136kHz First LF DXpedition to Asia (RU6LA & UA9OC to Siberia) pics

15.02.03

136kHz First reception of Europe signal in Alaska (Laurence KL1X RX Laurie G3AQC) pics

3.01.03
136kHz First reception in South America (LU8EDR and LU8DYK RX Marcelo LW2ETU)
Jan 03
Technics Marcus DF6NM has thought up and realized visual Colour Direction Finder
2002
18.12.02
136kHz First reception of Europe signal in North America on Jason (John W1TAG RX Jim M0BMU)
Nov 02
73kHz In first Dexter W4DEX takes regular plots of HBG(HB Switzerland) on 75kHz reception of Europe signal in North America
Nov 02
500kHz For a conference of 1-st region IARU in San-Marino for the first time is officially recommended Band Plan for the 136kHz band. Also there was an offer on amateur distribution about 500kHz. For this purpose the small Working Group was created with the purpose of consideration 10kHz of a site between 470 and 490kHz
4..5.11.02

136kHz First Indonesian CW beacon. YB3AQF in Surabaya has started 2-day's CW beacon tests in 137.0kHz

13.10.02
LF At the RSGB HF convention at Egham, Surrey, UK Jim M0BMU received the Nevada Cup for his innovation and general helpfulness to LFers in 2001-2002 season
27.09.02

136kHz First reception of Europe signal in Asia (Alex RA9MB RX club RU6LWZ)

21.08.02
136kHz LU Argentina gets 136kHz band - 1W EIRP
17.07.02
136kHz PY Brasil gets 136kHz band
19.01.02
136kHz First 2-way Jason QSO (Wolf DL4YHF - Dave G3YXM)
2001
1.12.01
136kHz First reception of Oceania signal in North America (Dexter W4DEX RX ZL6QH beacon)
1.12.01
136kHz First beacon test on 137.7898kHz in DFCW120 from ZL6QH
13-14.10.01
LF At the RSGB HF convention at Old Windsor, UK Alan G3NYK received the Nevada cup for his innovation and general helpfulness to LFers in 2000-2001 season. Peter Bobek awards were presented to G3AQC, G3LDO and M0BMU (also to be sent to VE1ZJ, VA3LK and VE1ZZ) for their Trans-Atlantic successes
13.10.01
Technics First LF/VHF repeater: RX 136kHz band to 145MHz USB TX. Crawley Club G3WSC - MB7LF
Oct 01
136kHz First ZL New Zeland. ZL6QH has received permission to transmit in 136kHz band
17.09. 01
136kHz At 40th WG FM meeting (Corfu): Implementation of Recomendations 62-01(Info & Report) pics
1.08.01
160-190kHz First reception of Oceania signal in North America on 184.4kHz (Steve VE7SL RX ZL6QH beacon)
21.11.01
73kHz First reception of Europe signal in USA in QRSS (John W1TAG RX Laurie G3AQC)
3.06.01
73kHz First reception of Europe signal in NA in QRSS (John VE1ZJ RX Laurie G3AQC)
15.03.01
136kHz DARC, RSBG and AMRAD - the sponsors of the Trans-Atlantic Challenge have decided to present awards to Larry VA3LK, Laurie G3AQC, Jack VE1ZZ, John VE1ZJ and Peter G3LDO for their contacts
19.03.01
136kHz First reception of Europe signal in North America on WOLF (John W1TAG RX Jim M0BMU) WOLF - A new mode developed by Stewart KK7KA is being tried on 136 at present
5...19.02.01
136kHz Firsts 2-way QSOs North America - Europe (Larry VA3LK - Laurie G3AQC 5..19 Feb and John VE1ZJ / Jack VE1ZZ - Peter G3LDO 13 Feb)
27.01.01
136kHz First reception of Europe signal in USA (Dex W4DEX RX Laurie G3AQC)
3.01.01
VLF LA Norway gets frequencies below 9kHz
Jan 01
Technics Stewart KK7KA announce new mode and software - WOLF
2000
31.12.00
136kHz First 2-way narrow audio on 136kHz (Slow-Voice) QSO (Markus DF6NM - Geri DK8KW)
27.12.00
Technics Alberto I2PHD has started project FFT software "ARGO" Beta 1, build 110
21.12.00
136kHz First reception of North America signal in Europe (Peter G3LDO RX Jack VE1ZZ)
14-15.10.00
LF At the RSGB HF convention at Old Windsor, UK David G0MRF received the Nevada Cup for his innovation and general helpfulness to LFers. David was also presented with a Peter Bobek award pics for his trans-Atlantic crossband contact with VE1ZJ
Sep 00
Technics Wolf DL4YHF has started project FFT software "Spectrum Lab" or SpecLab
15.09.00
136kHz In first Alan G3NYK takes regular plots of CFH (Halifax Nova Scotia, 137kHz) reception of North America signal in Europe
10.09.00
136kHz First reception of Europe signal in North America (John VE1ZJ RX David G0MRF/p)
17.08.00
136kHz EA Spain gets 136kHz band
27.07.00
136kHz Brian CT1DRP has permission to operate in the CEPT band from both his QTHs until November 2001
23.07.00
136kHz First 2-way QSO in North America (Mitch VE3OT & Larry VA3LK)
1.07.00
VLF Three German stations; DJ2LF, DF6NM and DK8KW have been issued with permits to operate between 8.9 and 9.0 kHz
26.06.00
Technics Petr OK1FIG has built a new front end for the Spectrogram engine "EasyGram"
17.06.00
160-190kHz First trans-continental beacon tests (176.5...184.5kHz) from VK / ZL pics
10.06.00
LF First TX Hell by Andy G4JNT pics
16.05.00
136kHz F France & other Fx gets 136kHz band official
7.04.00
136kHz Larry VA3LK has a special permit to operate the 136kHz band from VO1. This is with a view to what he has called "Transatlantic II", an attempt at the first transatlantic QSO on amateur LF at Nov 2000 pics
Jan 00
136kHz RadCom (RSGB) has published a Band plan in 136kHz band (in October 1999 Geri DK8KW has presented similar on RSGB HF Convention pics )
1999
5.12.99
LF First 2-way DFCW QSO (Rik ON7YD & Marcus DF6NM)
9-10.10.99
LF At the RSGB HF convention at Windsor, UK Dave G3YXM received the Nevada Cup (the RSGB Experimenters Award sponsored by Nevada of Portsmouth) for his innovation and general helpfulness to LFers in 1998-1999 season.
Aug 99
LF The first LF column written by Dave G3YXM in RadCom (RSGB)
June 99
136kHz LF forum in Friedrichshafen, Germany has accepted the decision to found award for the first transatlantic QSO on LF in memory to Peter Bobek DJ8WL/DA0LF(1943 - 26.04.1999) pics for his work on 160m and 136kHz
May 99
136kHz F France gets 136kHz band
23.04. 99
136kHz OE Austria gets 136kHz band - A1A, A1B, 1W ERP
1.04.99
136kHz SM Sweden gets 136kHz band - 1W ERP
1.04.99
136kHz Szigi YO2IS gets 136kHz band
14.03.99
165-190kHz First PSK31 2-way QSO (Bob ZL2CA & Dave ZL3FJ)
Mar 99
136kHz OZ Denmark gets 136kHz band
6.03.99
136kHz "FCC has granted a one-year experimental license to the Amateur Radio Research and Development Corporation (AMRAD) to conduct tests on the frequency 136.75 kHz using the call sign WA2XTF..." pics
Feb 99
136kHz First commercial 136 rig by Nevada, now have stock of the "Ropex" 136 TX. It is crystal controlled, runs on 12V and produces 30 or 130W of RF. It costs less than £200.
15-18.01.99
136kHz First Transatlantic beacon tests (members of AMRAD are RX and europians HAMs are TX) pics and foto pics
Jan 99
136kHz DL Germany gets 136kHz band with 20W Output
Jan 99
136kHz First reception of Europe signal in Africa (Rik ON7YD/EA8 RX Marco IK1ODO in QRSS)
1998
30.12.98... 6.01.99

136kHz First LF DXpedition to Africa (Rik ON7YD to EA8 Canary isl - IL27TD)

22.11. 98
LF First petition. The ARRL has petitioned the FCC to create two low frequency Amateur Radio allocations at 136kHz and at 160kHz
Nov 98
Technics Rik ON7YD has started project software for TX QRS V 1.08
Sep 98
LF At the RSGB HF convention John G3TDZ received the Datong Electronics Cup for his innovation and general helpfulness to LFers
24.08. 98
136kHz First 2-way SSTV QSO (Reino OH1TN & Riso OH3LYG)
24.08. 98
136kHz First 2-way SSB QSO (Reino OH1TN & Riso OH3LYG)
Aug 98
Technics Start email's RSGB_LF_GROUP List on blacksheep.org
Jun 98
136kHz RSGB HF Committee announce the new award - "RSGB 136kHz Award"
29.06.98
136kHz UA Russia gets 136kHz band - A1A, 100W Output
13.06.98
136kHz S5 Slovenia gets 136kHz band - A1A, 1W ERP
Jun 98
136kHz PA Netherlands gets 136kHz band - A1A, 400W Output
May 98
136kHz First LF DXpedition (Dave G3YXM to GM New Galloway, Scotland)
19.04. 98
136kHz First 2-way PSK31QSO on 136kHz (G3PLX & Andy G4JNT)
16.04.98
136kHz Start first 136kHz Transatlantic(T/A) beacon - Peter G3LDO: 137.5kHz, QRSS3
15.04.98
136kHz I Italy gets 136kHz band - 1W ERP
24.03.98
136kHz At "DX Summit"-OH2AQ devoted to ham band dx spotting has added a 137 kHz category
Mar 98
136kHz LX Luxembourg gets 136kHz band
12.02. 98
136kHz ON Belgium gets 136kHz band - A1A, 1W ERP/2KW Output
30.01. 98
136kHz Gx United Kingdom to get 136kHz band pics
Jan 98
136kHz EI Ireland gets 136kHz band
1.01. 98
136kHz HB Switzerland gets 136kHz band
1997
Oct 97
LF At the RSGB HF convention Andy G4JNT received the Datong Electronics Cup (the RSGB Experimenters Award sponsored by Datong Electronics ltd) for his innovation and general helpfulness to LFers
Sep 97
LF rsgb_lf_group started as 73kHz's Internet news list (later as world's LF Internet news list)
1.09.97
136kHz LA Norway gets 136kHz band - A1A, 100W Output
30.08.97
165-190kHz First 2-way QSO VK / ZL on 176kHz (Dave ZL3FJ - Kumara Junction, West Coast, South Island & special AX2TAR - Robert VK7ZAL, Moonah, Hobart, Tasmania) CW, CW/SSB, QRB=1941km. ZL3FJ used 122m mast and 100W Output
Aug 97
136kHz Start first 136kHz beacon - Peter DA0LF - QTH-loc:JN49JV, 137.100kHz, CW
23.08. 97
73kHz First "DX" CW 2-way QSO on 73kHz. (Andy G4JNT& Peter G3LDO at 57km distance)
3.08.97
LF First 2-way QRSS QSO (Andy G4JNT & G3PLX on 72.09kHz., QRSS100 at 393km distance) Richard Horne's, GRAM software
June 97
136kHz Two DL Germany stations got special permission to operate on 136kHz: Peter DA0LF(DJ8WL) & Hardy DA0VLF (DL1VDL) with 100W and not any other limitations pics end permissions - 30 June 1998
22.04. 97
136kHz First 2-way CW QSO on 136kHz (Reino OH1TN & Riso OH3LYG)
Apr 97

136kHz Official CEPT/ERC Recommendation 62-01E (WGFM meeting in Mainz): "...band 135.7-137.8 kHz may be used with a maximum e.r.p. of 1 Watt on a secondary basis by the Amateur Service in CEPT countries" pics

12.04. 97
73kHz First "DX" QSX QSO on 73kHz. (G3YGF RX Andy G4JNT at 100km distance, CW)
1.04.97
136kHz OH Finland gets 136kHz band - 100W Output
14.02. 97
73kHz First 2-way QSO on 73kHz. (Mike G3XDV & Peter G3LDO/p at 175m distance, CW)
1996
?

LF First reception of the very narrow bandwidth signal (Peter G3PLX RX QRSS signal by Andy G4JNT at distance 393km on 73kHz)

Dec 96
136kHz At the WGFM meeting: 135.7-137.8 kHz (one of channal of Trans-Europian electric power systems at 139kHz)
Nov-Dec 96

VLF The tests of the Russian space station MIR ion and electron beam experiments. Transmissions are 1kHz radio frequency for 10 seconds, followed by 10 seconds of 10Hz, and repeating for two minutes

23.10.96
VLF First transmission the VLF radio station in Grimeton for HAMs. The frequency is 17.2 kHz and the call sign is SAQ (suppoted club SK6RM. Ulf Sjoden SM6CVE has helped to organize the event (for all - ''100 Years of Radio'' msg)
Sep 96
136kHz WGFM-PT22 were summarised in the document FM(96)123 135.7-141.4 kHz to WGFM meeting
July 96

73kHz Gx United Kingdom gets 73kHz (71.6...74.4) band

Feb 96
136kHz At the WGFM (Working Group Frequency Management - of the CEPT-ERC) meeting the proposal was re-issued. The WGFM invited its monitoring sub-group PT-22 to search for an alternative in the 130-150 kHz area
1995
Dec 95

136kHz At the WGFM (Working Group Frequency Management - of the CEPT-ERC) meeting (Sofia), the German administration referred to the IARU recommendation and announced the proposal for the Europian harmonised secondary amateur segment 142-147kHz

July 95
73kHz The UK Radiocommunications Agency is considering an allocation around 73kHz
???
LF LF column was start in ZL's HAM magazin "Break In" (Bob ZL2CA & Andrew ZL2BBJ)
1993
???
165-190kHz First AM and NBFM 2-way QSOs (Dave ZL3FJ & Nat ZL3VN)
1992
13.09.92
165-190kHz First reception VK in ZL (John Adcock VK3ACA - AX3T35 in Gordon, Victoria TX - ZL2CA, ZL3PN and ZL4MD are RX)
Mar 92

VLF The tests of the Russian space station MIR ion and electron beam experiments. Transmissions are abt 5-6kHz radio frequency for 1.8-2.44 seconds...

199?
???
165-190kHz VK Australia gets LFband - ?
1991
???
165-190kHz First SSB 2-way QSOs (Bob ZL2CA & ZL4OY)
9.07.91
165-190kHz First DX 2-way QSO (Bruce ZL1WB & George ZL3PN abt 1000km distance, CW)
19.06.91
165-190kHz First 2-way QSO (Bob ZL2CA & Andrew ZL2BBJ at 18.4km distance, CW)
1.06.91
165-190kHz First 2-way QSO (ZL2AJI & ZL2ASO at 500m distance, CW)
May 91
165-190kHz Bob ZL2CA heard in Wainuiomata - 18km
1990
Dec 90
165-190kHz ZL New Zeland gets LF band - 5W EIRP ("Break-in" announcement)
Technics Bill de Carle VE2IQ has started COHERENT (CCW / BPSK) and FFT (spectral display) software projects
1988
Aug 88
LF First full power's experimental LF transmission in USA at 160-190kHz band pics
1979
???

LF Concluding the preparatory ITU-CCIR studies to WARC-79 the desirability of LF small secondary access was emphasised by SPM-WARC79 (Special Preparatory Meeting -of the ITU to WARC); however WARC-79 ran out of time and the subject was left unresolved

1975

Technics Amateur Radio Coherent CW - CCW was invented by Raymond C. Petit W7GHM (1944 - 13.06.1999)

1974
Jan 74

ORG The Long Wave Club of America (LWCA) "was organized in January, 1974 to promote both DXing and experimenting on frequencies below 550 kHz..."

1972
???

ORG AMRAD (Amateur Radio Research and Development Corporation) began as an informal group. "The purpose of AMRAD is to develop skills and knowledge in radio and electronic technology, advocate design of experimental equpment and techniques..."

1965
???
160-190kHz First? beacon on 187kHz under FCC part 15 (Dexter W4DEX)
1949
9.04.49
160-190kHz W United States gets LF band - beacons limited to 1W Output and a 15 meter antenna under FCC part 15
1945

Technics First LF Long Range Navigation system (LF Loran) operated at 180kHz - three-station network: Minnesota(USA), Trinidad isl and the Azores isl. John Alvin Pierce(1907-1996) is generally credited as being the father of Loran (and, for that matter, Omega) in the United States

1929

Technics Hellschreiber was patented by Dr. Rudolf Hell (19.12.1901 - 11.03.2002)

1925
18.04.25

ORG The International Amateur Radio Union (IARU) created in Paris, France

1918

Technics The Beverage (or "wave") antenna for LF/VLF was invented Dr. Harold H. Beverage (14.10.1893 - 27.01.1993) in Navy's receiving station at Otter Cliffs, near Bar Harbor, Maine, USA pics For this invention, H.H. Beverage received his first patent on 7.06.1921

1915
Jan 15

ORG First montly "Radio Service Bulletin" by Bureau of Navigation, Department of Commerce, USA

1906
Nov 06

LF First Transatlantic AM LFreception in Europe (Mr. Armor at Machrihanish, Scotland RX AM speech Fessenden's radio staitions in Brant Rock, MA, USA and at Plymouth, MA, USA) freq up to abt 100kHz

10.01.06

LF First Transatlantic 2-way CW QSO (R.Fessenden's Op at Brant Rock, MA and Op in Machrihanish,Scotland (abt 75kHz & abt 0.5KW Output)

Jan 06

LF First Radio Propagation experiments and plots (R.Fessenden - Brant Rock, MA, USA and Machrihanish, Scotland) pics (50...200kHz)

1904
10.05.04

Technics Josef Murgas (17.02.1864-15.05.1929) - Slovak radio inventor, patented the "Tone System of Wireless Telegraphy" (in principle the same as DFCW).

1903
4.08.03

ORG First International Radiotelegraphic Conference was held at Berlin, Germany

1902
15.12. 02

LF First Transatlantic radio message - West to East (Table Head, Glace Bay, NS, Canada to Poldhu Cove in Cornwall, England - both G.Marconi's stations)

5.12. 02

LF First Transatlantic LFreception in Europe (G.Marcon in Poldhu Cove in Cornwall, England RX Table Head, Glace Bay, NS, Canada) freq 182kHz

Oct 02

LF First Transatlantic LFreception in NA (G.Marconi on cruiser "Carlos Alberto" anchored in the harbour of Sydney, NS, Canada RX Poldhu Cove in Cornwall, England) freq 272kHz

Feb 02

MF First Transatlantic /mm reception - East to West (G.Marconi on the SS "Philadelphia" RX Poldhu Cove in Cornwall, England) up to distance of 1120 km by day and 2500 km by night, freq abt 850kHz

1901
12.12.01

MF First Transatlantic reception in NA (G.Marconi in Signal Hill, near St John's, Newfoundland, Canada RX Poldhu Cove in Cornwall, England) the Morse code letter "S", QRB=3425km, the power consumed by TX was abt 100...300KW, freq abt 850kHz pics

1900
23.12.00

LF First AM (radio telephony) transmitions between 15 metre masts on Cob Island, MD, USA by Reginal A.Fessenden (6.10.1866 - 22.07.1932) pics distance of 1.5 km

1898
16.08.98

Technics Oliver J. Lodge (1851-1940) LC patent

1895

LF Guglielmo Marconi (25.04.1874-20.07.1937) in England and Alexander S.Popov (16.03.1859-13.01.1906) in Russia started with LF

1894
Jun-Aug 94

Technics Oliver J. Lodge (1851-1940) pics

1890

Technics Edouard Branly (23.10.1844-24.03.1940) in France devised an appliance for detecting electromagnetic waves, which was know as a "coherer"

1887

Technics Heinrich R. Hertz (22.01.1857-1.01.1894) in Germany showed that electromagnetic waves are in complete accordance with the waves of light and heat, and founded the theory upon which all modern radio signaling devices are based

1865
17.05.65

ORG The International Telegraph Union (ITU) created - since 1932 The International Telecommunications Union

1838

Technics Samuel F. B. Morse (27.04.1791-2.04.1872) pics At an exhibition of his telegraph in New York, Morse demonstrated dot-dash code - "code Morse" (for example "C" = dot-dot-pause-dot") - since 1939 "International code Morse" (the modern version)

1807

Technics Josef Fourier (21.03.1768-16.05.1830) The first original form of Fourier theory and extension into the Fourier's transformations


© 2003-13 R7NT