Concurso DX – Top 10 DX del año

Contest rules

The date of the contest:
from 1 December 2019 (Sunday) 00:00 UTC to 31 December 2019 (Tuesday) 24:00 UTC

– The contest is open for all shortwave listeners. It is not obligatory to be a club member.

– The contest is free of charge and all costs are covered by TOP DX RADIOCLUB.

– The task of the contest:
Reception of 10 BROADCAST stations from 10 optional , DIFFERENT countries during the contest (according to the official DXCC list**).

– The aim of the contest:
Award of the best DX’er who really succeeded in receiving the year’s TOP 10 DX: it means that it received the smallest power station possible from the longest distance possible.

– It is not obligatory to register in advance. On the other hand, it would help the organizers if you sent an email with your name and 6-character Maidenhead QTH locator code*. If you don’t wish to do that it is enough to provide your data in the contest log. All personal data and email addresses are handled with care by TOP DX RADIOCLUB and they are never given to a third party. We also hate spammers. The data are used to inform the contestants in connection with the contest and the evaluation of the results.

– The rules of the contest:
Reception of 10 BROADCAST stations from 10 DIFFERENT countries. Excluding: unofficial, meteorological, DRM or other digital, military, spy, pirate, time etalon, amateur contacts and other technical receptions. It is strictly prohibited to use WEB SDR, internet radio and other remote controlled equipment. The receiver antenna has to be attached to the radio physically and directly. One country can appear in the log only once. The enabled frequency range: from 2300 kHz to 30000 kHz. The contest referees and organizesr cannot take part in the contest.

– The obligatory content of the log:
Date (day, month, year),
Time (UTC),
Frequency (in kHz),
The ID name of the station,
Country (where the transmitter can be found),
ITU,
The language of the broadcast,
SINPO,
The geographical location (city) of the transmitter site,
The details of the broadcast (general description without specific details cannot be accepted)
The judges may ask for additional data from the contestants (eg. the power of the transmitter)

Example***:
Click to enlarge

– The obligatory content of the log’s annex:
The name of the contestant,
Address (where the certificate can be posted)
Geographical location where he/she has participated from (according to the 6-character Maidenhead QTH locator)*
The type of the receiver(s),
The type of the antenna(s).

Example:
Name: 
Jean Sample
Address: 
France, Paris, Rue Parrot 2.
QTH locator: 
JN18EU
RX: 
Yaesu FRG-7000, Perseus SDR
Antenna:
 80m Long Wire, Wellbrook ALA-1530

– The format of the log:
The logs have to be sent electronically to topdx.radioclub(at)gmail(dot)com in doc, docx, xls, xlsx, pdf, txt, or cabrillo format. We accept logs in English language and Hungarian language. All contestants get an email of confirmation after receiving the log in 24 hours.

– The deadline of receiving the logs:
5 January 2020 (Sunday) 24:00 UTC

All contestants declare by sending the logs that all data in the log are true and correct, all of the receiving were done by himself/herself within the given time range from the provided place according to the QTH locator and the adherence of the rules.

– Announcement of results: Before 31 January 2020.

– Scoring:
The distance between the contestant’s QTH locator and the transmitting tower’s QTH locator divided by the power of the transmitter.
The distance between QTH is dimensioned in kilometers and measured in short path. The transmitter power is dimensioned in kilowatts. Only official data are considered given by WRTH (World Radio TV Handbook – http://www.wrth.com). If more powers belong to a certain transmitter the higher power is considered in case the official homepage of the station announces something different. Unofficial but quite accurate TX power informations can be found on http://www.short-wave.info and http://www.shortwaveschedule.com.

For example:
The geographical location of the contestant: France, Paris, Rue Parrot 2. in this case the QTH locator is JN18EU*
The received station: Voice of America, from the city of Iranawila CLN. The QTH locator of the transmitter: MJ97VM In this case the distance between the two QTH locators: 8459,38 km. For the calculation the following program is used: NØUK’s Maidenhead Grid Distance & Bearing Calculator ****
The power of the transmitter: 250 kW
Score: 8459,38 / 250 = 33,84 points (rounded to 2 decimals) According to the information above it can be clearly seen that more points are given if the station is far from the contestant AND the transmitter power is low.
Therefor if someone can receive broadcast from a station of 10 kilowatts from the distance of 12000 km it worth 1200 points.
The final points are made up by the sum of the 10 receiving.
The contestant with the highest points wins the contest.

– Awarding:
The contest has no monetary prize. The winner gets an elegantly designed, unique trophy addressed to his/her name. All contestants are posted a certificate according to result in the ranking.

In case of any questions about the rules, the parameters of the transmitter or anyting else in connection with the competition, send us an e-mail and we try to respond asap. This opportunity is open before and during the comeptition.

The organizers wish good luck and outstanding DXs to all contestants.

*: The QTH locator can be easily found here: LINK
** The list of DXCC can be found here (Excel file, countries in alphabetical order): LINK
***: Sample log can be downloaded from here (Excel): LINK
****: The NØUK’s Maidenhead Grid Distance & Bearing Calculator can be find N0UK’s website: LINK

Fuente: http://www.topdx-radioclub.com/top10dx.html

 



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