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No agreement in ITU‑R WP4C on the measures needed to protect the RNSS in the 23cm band.
 
  No agreement in ITU‑R WP4C on the measures needed to protect the RNSS in the 23cm band.    Not only

Unique 23cm QSO VK7MO we already reported. EI7GL that QSO described in details. 4W driver for 13cm band. Mostly HF Czech publications with hamradio matter for download from OK5NW web. Abt.MS propag. by R&S. Do you remember? A bit abt. EME by R&S. What is WIFI 6E? Why we lost 6cm -> due to silence of CRC? 1.subr.2024 by OK2C, OM3KTR. First 10GHz: OK - Hawaii (OK1KIR - N1V) Congrats! 9cm Dubus EME Contest. March 2024 issue of the 2m EME Newsletter, Remind Aurora 13.3.89? Here is blackout analysis in Canada. News from the Netherlands: March 23cm contest by PA0EHG. PE1RKI produces single 145MHz cavity filter. VHF commitee of IARU R1 & OM3BH suggestions? After 43 years of QRV our OK0EP is "in the band" agn? 1.subr.2024 IARU by:IK4HLQ, OL7C, Abt."Line of sight" & VHF propagation. Newsletter IARU, welcome OM3BH. 1.subr. 2024. IARU by: OL7M, OK2PPK, OK2PVX, OK6M, ON4KHG, OR6T, F6KFH, HA8V, I1KFH, DL3IAS. Standa, OK1MS had birthday, we wish him good health. 23cm record of VK7MO via Lightning Scatter, congrats! Few ideas how to use portable trailer. Transverters of SQ9MTS. EI7GL released his VHF Newsletter. OZ9ARR works on the new EME antenna. Did you prepare similar? BPF filter for cut off  out of band QRM. 1.subr. IARU by: OK1KKY, IQ1KW, S51ZO+S59P. Well known F6BEG passed away, RIP! Aurora 3.3 OK1TEH. 1.subr. IARU by: OK1JFH, OK1KPA, OL2JF8KID. Claimed score from: 9A, S5, OK, OM, PA, G and by  IARU. Already today at 19h. will be held 2m part of NAC, SP-UKF AC & IAC. Invitation to visit Danish V-UHF news. 1st. subregional contest is over. Aurora trembled by HAARP?. Pavel OK1AIY sent next part abt. μW history. CAUTION! change of time frame for logs delivery of V/UHF Contests IARU (incl.Subregionals,μW-C). More here. Low noise frontend of the receiver input for 13cm by DD1US. Don't forget send an announce abt 1.subr. contest. Another HF transceiver XIEGU X6200. Several data like phase noise are not known yet. But FT8 will be sure. BPF for 47GHz, developed for cut off of the mirror frequency products. VHF oscillator with very low phase noise. Within 1st. IARU subregional contest will be running ionosphere heating by experimental HAARP TX. Check Es. DL3IAS - report from Winter BBT. Feb. QRP-C 2020 OK1FEN. Winter QRP: OK1TDO. Dual mode horn OE2IGL. It came from IARU: here, here, here & here. DD1US's LNA with Miteq 121643-15-17 1v0. HS60RAST is QRV. Calendar of Polish VHF/UHF contests here. Until now this record has broken by G4KUX only. SW by W3SZ. New microwave components by Kuhne. BTW as well as 1W PA for 47GHz band. VHF/UHF parts by YU7CF. Not only antenna construction by RW1AW. L.B.Cebik look at antenna a bit different. SSB envelope control. OK1XFJ SK RIP! He had 67 y.only..Omnidirectional horizont. polarized antenna. part 2, part 3, part 4, part 5 +6. K2UYH sent us new EME NewsLetter for UHF & SHF bands. Parabolic dish simple calc for basic parameters. S-parameters and how to take it. 10GHz LNA from satellite LNB. Ladder SSB X-tal filter: design & construction. It's running now. EME antenna WB9UWA pics. On 23cm is suggested to have an ability move up to 1300MHz. Measure of LNA with Miteq AMF5S-040080-12-13P amplifier for GHz "mid-bands". Web VHFDX.ru is ON again. LNA w. MMIC SPF5189Z article by DD1US. This video confirming again, that banana plug PL259 is not an UHF. Total termination of hamradio traffic in 23cm band is still issue for negotiations. VHF Contest's video IZ0CLS. From: Michigan V/UHF Society, UTAH VHF Society, Texas: retune of circulator. And maybe we missed  Aurora. International evaluation of the VHF Marconi memorial CW Contest in fact completed our Contest Season 2023. UHF antenna with isolated elements - construction details. Adjust Youtube for your language. EME HS60RAST. For download is now a list with the international results of 2023 VHF Contest evaluated by IARU C5 rules. From the same table you can seen as well as last year UHF-SHF Contest IARU and many other contests results.  Using Sun Noise Measure to Evaluate EME System Performance. Actual calendar of italian national contests. From I4CIV blog: connection of two 25Ω antennas into 50Ω feeder. Construction and VHF Contest IZ0CLS. Simple home made filter against TV interference from 2m transmitter. Precise UHF antenna elements lengths. DF2ZC released new 2m EME NewsLetter.  TEP DX-pedition Aruba. VK3FS believes that microwaves are easy. Maybe interesting for someone: Slovak PC logger -> VHF Contest log OM3CPW. Panadapter for IC9700 gear. SMA antenna relay up to 50GHz. Another coax. relays. 20W 2m driver. Calendar of Moon events by DL7APV! CRC released OK results of  MMC2023. On the web archive sheet OK2KKW are available in our usual format. The contest results archive sheet has updated by EU UHF contest 1960 winners. Waiting for EU results 2023. VE7BQH propose again outline of the best hamradio antenna designs from the perspective of noise level. W1GHZ send article abt. Cassegrain subreflector. Adds articles for study here, here. μW soldering of 122GHz. OK1TEH wkd via tropo RA3LBW QRB abt.1296km. On the N5PA VHF web you can find many interesting links. Tiny SA ultra Spectrum analyzer up to 6GHz. How to bend semirigid cables. G4FON web for CW training. Tomorrow, on 28.& 29.1 would be awaited improved tropo condx up to N & NE. Try to look there. Less than.. Mirek OK1DOM invite you to the Winter QRP Contest ČAV on Sunday 04.02.24. More at https://ok5cav.cz/ GL! First 23cm QSO OK- FO0 (Clipperton island) has assigned to OK1DFC. I hope it enjoy him. Tnx 4 info. VK0DS. From the Archive: old 70cm aerials although out of date still works well. Many advices to PWR SSPA projects. Beginners projects by NTMS: A, B, C, D. And a bit more complicated matter: how to solder small SMD devices. Time of 23cm retune is here. However we shall wait for EC decision, if they will confirm ITU negotiation results. Offset 10GHz EME dish calc.by KA1GT. Do you know inductance of this coil? EME ops. are moving by 2 MHz. When you will do at 23, or at 13cm bands final contest ODX w.I1KFH, remind they use OM6AA loop feed. Today is a significant day.. Just 50.years ago the Nature prepares special game which changed V/UHF DXing. Translation of one article maybe can help you to set a power attenuators for UHF+ frequency bands at home. OK1VAO released prefinal OK results of the Marconi Memorial Contest 2023 for final check. Chinese battery. Precise RF Wattmeters. KA6U trip ->2m EME DX from EM62 & EM72. Will be the NAC area for FT8 mildew? Results of the RU EME Contest from last year + calendar for 2024. Noise source & noise measurement basics. Yearly rent fee and electricity for operation of OK0EP beacon has paid today. Beacon is QRV already 42 years. DM2AFN SK. RIP!  Update your score of hamradio DX results in OK1VEI's OK toplist. Russian tube for 70cm. What would be good to know about LNA check here. And G4DDK paper about LNA power limits. Even our test.
Nostalgy whiff from time when our hobby was still OK - YU UHF/SHF Bulletins - do you find there your callsign?
SP society SP UKF awake and returns back to organize + evaluate of VHF-SHF contests. Join SP UKF C-test.
January 144MHz EME NewsLetter DF2ZC. 2m LNA. GEMINI PAs for VHF & up bands. IC705 USB connector. Into VHF contests archive has been added Result list of OK stations in the IARU UHF/SHF Contest 2023. Join. CRC (OK1VAO) released final Czech results of the IARU UHF-SHF Contest 2023 by CRC evaluation. See here.
IARU shaping the Future? If yes, why doesn't mention contests & GHz bands? They doesn't take it into plan? Programmable USB generator up to 30GHz with output 1/2 W. Beside MS Quadrantids check 2m EME condx. Any hamradio operator should know, how to do it. 1, 2, 3. New 70cm and above EME NewsLetter for Dec.2023. DU3T send us nice presentation about his 9cm EME effort in December, when he made first QSO DU - OK. 65th.edition of Contest Romagna CW,SSB. 144MHz part will be held already on Jan.7 2024 from 9 to 14h.UT. Did you sometimes consider about future of ham radiocommunication? On 4th. January morning is predicted peak of Qadrantids meteoritic shower. Join any nice MS DX QSO! Try Handy spectrum analyzer with option up to 6 GHz. Suitable 70cm aerials by Antennas-Amplifiers Thanks to OK1VR (96) for new years wish email! Welcome in 2024. Let me wish you all good, rock solid health, joy and sunshine by OK2KKW Radioclub. This year the life will be not easy, but I believe we will surpass all and will meet after such exertion in peace. Our Sun celebrated start of new year by firework before midnight. ČTÚ (Czech radiocom.regulator) reminds us that the Measure of a General Nature informs about the preparation of a document defining measures for the protection of the satellite radionavigation service from amateur operation in the band 23cm & ECC Radiocommunication Committee of EU wkd on decision include report on that matter.
 Our 2023 news here.

 


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