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Current Operating Frequency and Mode

Probably QRT tonight and in the morning due to storms in the area

Relatively strong trans-Pacific paths and decent domestic openings but trans-Atlantic openings remain closed – when will they return?; VK4YB reports the presence of the ”Mackerel Sky” during this session; WH2XCR -> JA1NQI/2 but path to Oceania not quite as good as recent sessions

– Posted in: 630 Meter Daily Reports, 630 Meters

The details for August 3, 2016 can be viewed here.

IMPORTANT REMINDER: Neither 630-meters nor 2200-meters are open to amateurs in the US yet. That includes stations using fake or pirated call signs. Please continue to be patient and let the FCC finish their processes. UPDATED: Click here to view the proposed “considerate operators” frequency usage guide for 630-meters under Part-97 rules that was developed with the input of active band users.

The most active storm and noise regions in North America through the evening were located from the Desert Southwest, across the central US and Midwest into New England.  The Gulf coast and the Southeast were also impacted and through a brief listening session during the evening here in North Texas, it was challenging listening.  The Pacific Northwest is in a heat wave and I suspect the stress to the power grid there is increasing noise levels in much the same way that we observe here in Texas during typical Summers (which this one is not).  As normal, morning brought generally quieter conditions for many of the regions impacted early in the night.

11-hour North American lightning activity


Geomagnetic conditions were quiet through the session. The Bz is pointing to the North and solar wind velocities are averaging near 385 km/s, down from the previous session. DST values continue to ride the centerline but are showed slightly more variability through this session.  A coronal hole will be geoeffective by sometime late on Friday so expect a good chance for G1 storm levels this weekend.  That could also mean an enhancement at some point.




Ernie, KC4SIT / WI2XQU, reported that he decoded eight WSPR stations and he received reports from twenty unique stations.

Rick, W7RNB / WI2XJQ, provided reports for seven WSPR stations and he received reports from fourteen unique stations.

Neil, W0YSE/7 / WG2XSV, reported that he:

“…was spotted “eastward” by VE4XC in Winnipeg this session, but only 1 time and at -29. I wonder how much affect the Cascade “mountains” have on my signal to the east. They are only about 3-4 thousand feet, and at least 15 miles from me, so the angle is very low…There were 14 spotters of my 1.5w WRP (being reported as 2w. My power is down a bit since making repairs to my amp).

Reception was a bit better as evidenced by  2 spots of your WG2XIQ there in Texas. I heard these:

WE2XPQ in AK (10x, -24 to -29), WG2XIQ (2x, -27 & -28)

also many spots of WG2XXM, WH2XCR, WH2XGP, WH2XXP, WI2XJQ

I also saw Eden on FT8 last night on 80m. I am loving these lower bands in my old age. More interesting and challenging than the higher HF bands.”

Dave, N4DB, reported a “fairly good session”  with “no surprises.” He provided reports for eight WSPR stations including ZF1EJ.

Mike, WA3TTS, reported “QRN up over previous night, but not adverse. Back to more typical summer propagation on 630m band. Dual band 630m/2200m receive, SW EWE antenna until 0430, then NW EWE antenna until past SR.

WH2XGP 15 spots, best -20, min -27
WH2XXP 77 spots, best -6, min -28
ZF1EJ      5 spots, best -15, min -26
WG2XIQ  41 spots, best -10, min -26
WG2XXM 122 spots, best +6, min -24
WI2XRM  8 spots, best -16, min -25
WD2XSH/15  12 spots, best -17, min -24
WI2XSV  65 spots, best -2, min -29
WI2XQU  74 spots, best -4, min -25
VE3CIQ   48 spots, best -2, min -24″


Trans-Pacific report details, excluding E51, KL7 and KH6, can be viewed here.

Hideo, JH3XCU, submitted this link detailing DX -> JA decode totals and DX -> JA S/N peaks for the session, as reported on the Japanese language 472 kHz website.

Roger, VK4YB, received reports from VE6JY, VE6XH, and W7IUV.  He provided reports for WH2XXP and WH2XGP and he shared two-way reports with WH2XCR.  Roger provided the following comments for the session:

“This session and the last have both been very good examples of a strong “Mackerel Sky” formation over the pacific. This is characterized by one very good and long lasting DX path, while other paths are suppressed. On both nights I have had strong reports from VE6XH, VE6JY and W7IUV over 2 hours with the complete absence of any reports from stations outside of that narrow corridor. This is completely different from the conditions of a few days previous, in which reports were coming from all directions. The last 2 sessions I have tried to break through to Japan with max power and high % Tx on the JA beam for 2 solid hours. Not a single spot resulted, despite WH2XCR having a path on both occasions.When the Mackerel Sky says there is no path, there is no path. I have absolutely no idea what causes this phenomenon. All I have managed to do is give it a name! By a strange coincidence, when I was driving home from work this afternoon, there was a glorious example of the cloud version of the Mackerel Sky. It stretched from horizon to horizon. It is quite rare, and I don’t think I have ever seen such a beautiful example before. If only I had a camera with me, I would have shared it with you.”

Ken, K5DNL / WG2XXM, reported that he decoded seven WSPR stations and he received reports from 37 unique stations including ZL2AFP, E51WL, WG2XCR, ZF1EJ, and six Canadian stations.  Ken also noted improved receive conditions that allowed two-way reports with WH2XCR.

Ward, K7PO / WH2XXP, received reports from 43 unique stations overnight including VK2EIK, ZL2AFP, VK4YB, and VK2XGJ.

WH2XXP 24-hour WSPR activity (courtesy NI7J)


Larry, W7IUV / WH2XGP, provided reports for seven WSPR stations and he received reports from 31 unique stations including ZL2AFP, VK2XGJ and VK4YB.  As W7IUV, Larry provided reports for nine WSPR stations including VK4YB.

WH2XGP 24-hour WSPR activity (courtesy NI7J)


It was a noisy evening in spite of the fact that storms had moved out of the area for the night.  The next two weeks are forecast to be very high chances of storms so the month of August may end up being rather wet.  I operated WSPR through the session and experienced good results at much reduced power (about 1W ERP) and low transmit duty cycle (17%).  I suspect that I would have heard WH2XCR if I had not QRT’ed early but I was happy to receive a report from Merv.  My transmission report details can be viewed here and my reception report details can be viewed here.

WG2XIQ 24-hour WSPR activity


Regional and continental WSPR breakdowns follow:

North American 24-hour WSPR activity


South American 24-hour WSPR activity


European 24-hour WSPR activity


Asiatic Russian 24-hour WSPR activity


Japanese 24-hour WSPR activity


Chinese 24-hour WSPR activity


Oceania 24-hour WSPR activity


Eden, ZF1EJ, provided reports for six WSPR stations. He received reports from fourteen unique stations including WH2XCR.

ZF1EJ 24-hour WSPR activity


Warwick, E51WL, provided reports for six WSPR stations by 1500z. Those report details, excluding WH2XCR whose reports are detailed below in this report, can be viewed here.

E51WL 24-hour WSPR activity


Laurence, KL7L / WE2XPQ, provided reports for four WSPR stations and received reports from ten unique stations. He shared two-way reports with WH2XCR, WG2XSV, WI2XJQ and WH2XGP.  Propagation on these paths were very similar to the previous session.

WE2XPQ 24-hour WSPR activity


Merv, K9FD/KH6 / WH2XCR, provided reports for nine WSPR stations including ZF1EJ. He shared two-way reports with VK4YB and WE2XPQ. He received reports from JA1NQI/2, VK2EIK, VK2XGJ, E51WL and ZL2AFP.  DX report details can be viewed here.

WH2XCR 24-hour WSPR activity


Additions, corrections, clarifications, etc? Send me a message on the Contact page or directly to KB5NJD gmail dot (com)!