Band Conditions and DX

My apologies for not posting of late. Just too much going on but I do manage to get down to the shack late in the evenings. This has always been my favourite time to hunt DX. I’m a casual DXer and I don’t do contests. My work schedule allows for late nights and early morning operating times. I follow Hamspots.net, and operate digital and JT65-HF exclusively. I keep power levels below 20 watts and 99% of the time keep it at 10 watts out using my FT-950. I’ve done this even during the lowest parts of the 11 year sun cycle and still managed to work lots of rare and obscure stations. Often when the band seemed dead, out pops a rare South Pacific station and I snag them on the first call.

Just yesterday I worked Tanzania, 5H3NP, Noel, at 0400Z on 20m psk31 running all of 15 watts. Noel had a good clear signal and he told me he’s on every night at the same time. I did hear him the previous evening but he was working Europeans and Russian stations in a pile up.

 

 

A couple of days ago, on 10 meters Serg, D2QR was on from Angola; again a nice strong signal and worked him on his first CQ call. The call looked familiar and checked my log and sure enough I had worked Serg in 2004 on 20 meters.

Earlier at 0445Z I worked Metin in Istanbul Turkey on 20m psk31. I noticed that I worked the Turkish and Tanzanian just after their sunrise times. I monitor this by reception reports displayed by PSKReporter maps and can watch the grey line creep along the countries that I’ve just worked. It’s a great DXer’s tool. It’s integrated into the current version of Digital Master 780.

Conditions have been really very good lately and urge you to get on the bands and work some of the rarer low power stations currently easy pickings during the late night hours on 20 meters and daytime DX on the busy 10 meter band.

FT-950 Back On The Air

It's been a few months since I've fired up the FT-950. Got it dusted off and moved back to the shack. The last time it was used was at the MARG Field Day at the Long Island Marina in Kars. It's hard to forget how great the receiver is in the 950.

Late this afternoon I worked TK5IH in Corsica and ZP8AE in Paraguay, on PSK, with 589 and 599 reports using 20 watts to the Cushcraft R6000. Earlier in the day using the 'old' FT-100, I worked Maria, SA2YLM on 20 meters. 17 meters opened just after lunch for a short time and managed to snag a few Europeans with great 5NN reports.

The nice 'width' feature of the FT-950 allows me to narrow down the passband and get rid of high powered stations close to the DX that I want to work. The HRD* waterfall below shows the passband with many signals.



The HRD* waterfall below shows no signals, on either side of the received psk track. This eliminates desensing of the receiver by narrowing the passband so strong signals on either side of the track being decoded dissapear. The FT-950 can also notch out a signal on either side of the decoded signal.



I use Ham Radio Deluxe as control software and Digital Master 780 for digital modes. I find it is one of the most intuitive ham software suites. It keeps track of my logs and can be used for just about any digital mode now current on the amateur bands. There's an excellent satellite tracking module included. Simon Brown, HB9DRV, is continually adding features and tweaking the software. The Ham Radio Deluxe forums are a repository of information pertaining to any subject about digital modes and how to connect Yaesu, Icom, Kenwood, and just about any transceiver to sound card interfaces and to your shack computer. HRD works with Windows XP and Windows Vista.

Some PSK tips:

In PSK modes use UPPER CASE characters sparingly. Lower case text in PSK31 varicode transmits fewer bits of data. You'll increase transmit speed and improve the likelihood of proper decoding on the other end by using lower case text as much as possible. (For example, the difference between a lowercase “e” (11) and an uppercase “E” (1110111) is three times more bits.)

*Ham Radio Deluxe

PAR 30M End Fed Dipole - First DX

 

These little gems, the PAR EndFedz, continue to amaze me. With 25 watts out on 30 meters, an FT-100 and Ham Radio Deluxe software I was able to work, GI4SIZ in Ireland 599, 9A0COAST on the island of Brac off the Dalmatian coast of Croatia with a 599, EA8KV, 599, in the Canary Islands and EB5DZC on the east coast of Spain 599. They were all perfect copy though with some qsb late this afternoon (20:00Z). The old FT-100 has a great receiver so I keep the RF gain cranked slightly to reduce band noise. I'm located about 20Kms south of Ottawa on a quiet country road so signals really pop out of the noise floor. Most evenings at this time of year the noise sits at S0. Even at this solar minimum some really good DX can be worked with efficient antennas. These little antennas work extremely well - highly recommended for portable or permanent installations.