ZL LF DX TESTING ON 1 DECEMBER Two ZL LF stations will be transmitting on September 1 December. Separate frequencies are allocated to each participating station, as summarised in the following table:
Walter, I have not been reading all messages on this thread, but I have some comments on your item: If you measured the bandwidth of an entire antenna system, (earth-tuning coil-antenna), then measur
Dave G3YMC, In response to matters raised: ZL2CA wrote (in a mail dated Dec 1 2001!): 137.7898 kHz with a list of proposed times. If top band is anything to go by, the tests should be continued for a
ZL to Europe dark path assessment<?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /> ZL6QH is intending to transmit for all hours of ZL darkness, using 137.7898 kHz with + an
Hi all, Dave G3YMC wrote: Please note these are not my own views, but the situation as I understand it. It is rather interesting to note that many of the early operators on 136 were ex top band opera
Hi all, Thanks to Bob Reise for pointing out that ringing voltage is a lot higher than S9. A high pass filter would be a useful precaution for connecting to a telephone line. For checking LF harmonic
Alberto and others, thanks for your message. Yes, I had read that explanation on the reflector, but I am still puzzled, as I live in a small village, and the local Telecom told me that ADSL will be a
Alberto and others, Hi Uwe, yes, our spectra are quite different. And they seem also to differ from what Ko has captured and sent to me. The only common factor is that at 136kHz there seems to be a s
Hi all, ZL6QH tried out the 136 kHz band yesterday afternoon, and got good reports from around New Zealand. It can therefore be expected that all night tests will be possible on 1 and 15 December. Bo
Jim M0BMU and other readers, I don't think I have a "special antenna" but I have been thinking as to why it is a low resistance system. I'm still not clear what the configuration above ground of ZL2C
CLAIM OF ZL TO VE1 AMATEUR LF DX 20 December 2001 On Saturday 15 December ZL6QH transmitted a low speed frequency shift keyed test signal in the 136 kHz band, as a beacon transmission for all hours o
Hi all, I have not had time to go over all bulletins in detail, but I have a summary contribution to make from what I have seen: - for hardware, there are attractions in having only one tone transmit
John, See below the original message, with "Sydnay". My atlas suggested the spelling was astray, hi hi. Thanks for the infor on your receiving gear. I will send you TS-850 LF tx notes from another PC
Hi all, It is reasonably fine weather in Wellington today so there is little doubt that ZL6QH will be able to be set up on LF and transmitting from before ZL sunset (approx 0800 UTC) until after ZL s
Hi all, For the next transmission from ZL6QH, on Saturday 15 December, the dual frequency tones will be 137.7890 (hi) and 137.7886 (lo) kHz. These frequencies are 1 Hz lower than those used for the p
Hi all, In the discussions there has been mention of mains hum on interconnections, and mains hum on VLF/LF radio reception. Both are fair game. Mains hum on cables -- The main method of control is t
CLAIM OF ZL TO W4 AMATEUR LF DX 4 December 2001 On Saturday 1 December ZL6QH sited near Wellington, New Zealand transmitted a low speed frequency shift keyed test signal in the 136 kHz band. This was